diff options
Diffstat (limited to 'rsvg_convert/tests')
28 files changed, 2920 insertions, 0 deletions
diff --git a/rsvg_convert/tests/fixtures/a-link.svg b/rsvg_convert/tests/fixtures/a-link.svg new file mode 100644 index 00000000..1ae8ace5 --- /dev/null +++ b/rsvg_convert/tests/fixtures/a-link.svg @@ -0,0 +1,6 @@ +<?xml version="1.0" encoding="UTF-8"?> +<svg width="400" height="400" xmlns="http://www.w3.org/2000/svg"> + <a href="https://example.com"> + <rect x="100" y="100" width="200" height="200" fill="lime"/> + </a> +</svg> diff --git a/rsvg_convert/tests/fixtures/accept-language-de.png b/rsvg_convert/tests/fixtures/accept-language-de.png Binary files differnew file mode 100644 index 00000000..cc797dc2 --- /dev/null +++ b/rsvg_convert/tests/fixtures/accept-language-de.png diff --git a/rsvg_convert/tests/fixtures/accept-language-es.png b/rsvg_convert/tests/fixtures/accept-language-es.png Binary files differnew file mode 100644 index 00000000..4cf3a21f --- /dev/null +++ b/rsvg_convert/tests/fixtures/accept-language-es.png diff --git a/rsvg_convert/tests/fixtures/accept-language-fallback.png b/rsvg_convert/tests/fixtures/accept-language-fallback.png Binary files differnew file mode 100644 index 00000000..43b20f01 --- /dev/null +++ b/rsvg_convert/tests/fixtures/accept-language-fallback.png diff --git a/rsvg_convert/tests/fixtures/accept-language.svg b/rsvg_convert/tests/fixtures/accept-language.svg new file mode 100644 index 00000000..c132b65d --- /dev/null +++ b/rsvg_convert/tests/fixtures/accept-language.svg @@ -0,0 +1,7 @@ +<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100"> + <switch allowReorder="yes"> + <rect systemLanguage="de" fill="red" width="10" height="10" /> + <rect systemLanguage="es" fill="lime" width="10" height="10" /> + <rect fill="yellow" id="rect3" width="10" height="10" /> + </switch> +</svg> diff --git a/rsvg_convert/tests/fixtures/bug521-with-viewbox.svg b/rsvg_convert/tests/fixtures/bug521-with-viewbox.svg new file mode 100644 index 00000000..c3f34e6d --- /dev/null +++ b/rsvg_convert/tests/fixtures/bug521-with-viewbox.svg @@ -0,0 +1,4 @@ +<?xml version="1.0" encoding="UTF-8"?> +<svg width="200" height="100" viewBox="0 0 2000 1000"> + <rect id="foo" x="500" y="600" width="700" height="800"/> +</svg> diff --git a/rsvg_convert/tests/fixtures/bug591-vbox-overflow.svg b/rsvg_convert/tests/fixtures/bug591-vbox-overflow.svg new file mode 100644 index 00000000..1cee7759 --- /dev/null +++ b/rsvg_convert/tests/fixtures/bug591-vbox-overflow.svg @@ -0,0 +1,11 @@ +<?xml version="1.0" encoding="UTF-8"?> +<svg ion="1.1" baseProfile="b" id="svg-root" + width="100%" height="100%" viewBox="0 0 4822222222222222222220 360" + xmlns="http://www.w3.org/2000/svg" xmlns:xlink="httk"> + <g> + <g opacity="0.5"> + <rect x="60" y="230" width="80" height="40" fill="+0000ff" opacity=".5"/> + <rect x="71" y="240" width="80" height="40" fill="#00ff00" opacity=".5"/> +</g> + </g> +</svg> diff --git a/rsvg_convert/tests/fixtures/bug601-zero-stroke-width-render-only-foo.png b/rsvg_convert/tests/fixtures/bug601-zero-stroke-width-render-only-foo.png Binary files differnew file mode 100644 index 00000000..1ed070ca --- /dev/null +++ b/rsvg_convert/tests/fixtures/bug601-zero-stroke-width-render-only-foo.png diff --git a/rsvg_convert/tests/fixtures/bug601-zero-stroke-width.svg b/rsvg_convert/tests/fixtures/bug601-zero-stroke-width.svg new file mode 100644 index 00000000..ee96d474 --- /dev/null +++ b/rsvg_convert/tests/fixtures/bug601-zero-stroke-width.svg @@ -0,0 +1,6 @@ +<?xml version="1.0" encoding="UTF-8"?> +<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100"> + <g id="foo"> + <rect x="50" y="50" width="10" height="10" style="stroke-width: 0; stroke: black; fill: blue"/> + </g> +</svg> diff --git a/rsvg_convert/tests/fixtures/bug677-partial-pixel.svg b/rsvg_convert/tests/fixtures/bug677-partial-pixel.svg new file mode 100644 index 00000000..aeac8c30 --- /dev/null +++ b/rsvg_convert/tests/fixtures/bug677-partial-pixel.svg @@ -0,0 +1,7 @@ +<?xml version="1.0" encoding="UTF-8"?> +<svg xmlns="http://www.w3.org/2000/svg" width="1.2" height="1.8"> + <!-- Output should be an image 2x2 pixels in size, with partial coverage for the pixels + on the right and bottom. + --> + <rect x="0" y="0" width="1.2" height="1.8" fill="lime"/> +</svg> diff --git a/rsvg_convert/tests/fixtures/dimensions-in.svg b/rsvg_convert/tests/fixtures/dimensions-in.svg new file mode 100644 index 00000000..aa4f3219 --- /dev/null +++ b/rsvg_convert/tests/fixtures/dimensions-in.svg @@ -0,0 +1,4 @@ +<?xml version="1.0" encoding="UTF-8"?> +<svg xmlns="http://www.w3.org/2000/svg" width="1in" height="1in" viewBox="0 0 1 1"> + <rect x="0" y="0" width="1" height="1" fill="blue"/> +</svg> diff --git a/rsvg_convert/tests/fixtures/dpi.svg b/rsvg_convert/tests/fixtures/dpi.svg new file mode 100644 index 00000000..499ee206 --- /dev/null +++ b/rsvg_convert/tests/fixtures/dpi.svg @@ -0,0 +1,5 @@ +<?xml version="1.0" encoding="UTF-8"?> +<svg xmlns="http://www.w3.org/2000/svg" width="1in" height="4in" viewBox="0 0 100 400"> + <rect id="one" x="0" y="0" width="100" height="200" fill="rgb(0,255,0)"/> + <rect id="two" x="0" y="200" width="100" height="200" fill="rgb(0,0,255)"/> +</svg> diff --git a/rsvg_convert/tests/fixtures/empty.svg b/rsvg_convert/tests/fixtures/empty.svg new file mode 100644 index 00000000..01a940a2 --- /dev/null +++ b/rsvg_convert/tests/fixtures/empty.svg @@ -0,0 +1,3 @@ +<?xml version="1.0" encoding="UTF-8"?> +<svg> +</svg> diff --git a/rsvg_convert/tests/fixtures/example.svg b/rsvg_convert/tests/fixtures/example.svg new file mode 100644 index 00000000..850fba3e --- /dev/null +++ b/rsvg_convert/tests/fixtures/example.svg @@ -0,0 +1,5 @@ +<?xml version="1.0" encoding="UTF-8"?> +<svg xmlns="http://www.w3.org/2000/svg" width="100" height="400" viewBox="0 0 100 400"> + <rect id="one" x="0" y="0" width="100" height="200" fill="rgb(0,255,0)"/> + <rect id="two" x="0" y="200" width="100" height="200" fill="rgb(0,0,255)"/> +</svg> diff --git a/rsvg_convert/tests/fixtures/geometry-element.svg b/rsvg_convert/tests/fixtures/geometry-element.svg new file mode 100644 index 00000000..3d707cdc --- /dev/null +++ b/rsvg_convert/tests/fixtures/geometry-element.svg @@ -0,0 +1,6 @@ +<?xml version="1.0" encoding="UTF-8"?> +<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100"> + <g transform="rotate(45)" stroke-width="10" stroke="#000000"> + <rect id="foo" x="10" y="20" width="30" height="40" fill="#0000ff"/> + </g> +</svg> diff --git a/rsvg_convert/tests/fixtures/gimp-wilber-ref.png b/rsvg_convert/tests/fixtures/gimp-wilber-ref.png Binary files differnew file mode 100644 index 00000000..606f2a4d --- /dev/null +++ b/rsvg_convert/tests/fixtures/gimp-wilber-ref.png diff --git a/rsvg_convert/tests/fixtures/gimp-wilber.svg b/rsvg_convert/tests/fixtures/gimp-wilber.svg new file mode 100644 index 00000000..97c821a7 --- /dev/null +++ b/rsvg_convert/tests/fixtures/gimp-wilber.svg @@ -0,0 +1,978 @@ +<?xml version="1.0" 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+ text { + font: 50px Sans; + fill: black; + } + </style> + + <text x="50" y="100">Hello world!</text> + <text transform="translate(50, 200) rotate(45)">Hello again!</text> +</svg> diff --git a/rsvg_convert/tests/fixtures/offset-png.png b/rsvg_convert/tests/fixtures/offset-png.png Binary files differnew file mode 100644 index 00000000..a4bc7e2a --- /dev/null +++ b/rsvg_convert/tests/fixtures/offset-png.png diff --git a/rsvg_convert/tests/fixtures/sub-rect-no-unit.svg b/rsvg_convert/tests/fixtures/sub-rect-no-unit.svg new file mode 100644 index 00000000..fb8312ac --- /dev/null +++ b/rsvg_convert/tests/fixtures/sub-rect-no-unit.svg @@ -0,0 +1,13 @@ +<?xml version="1.0" encoding="UTF-8" standalone="no"?> +<svg + xmlns:dc="http://purl.org/dc/elements/1.1/" + xmlns:cc="http://web.resource.org/cc/" + xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" + xmlns:svg="http://www.w3.org/2000/svg" + xmlns="http://www.w3.org/2000/svg" + xmlns:xlink="http://www.w3.org/1999/xlink" + width="123pt" + height="123pt" + id="svg1"> + <rect id="rect-no-unit" width="44" height="45" x="46" y="47"/> +</svg> diff --git a/rsvg_convert/tests/fixtures/text-a-link.svg b/rsvg_convert/tests/fixtures/text-a-link.svg new file mode 100644 index 00000000..d205c768 --- /dev/null +++ b/rsvg_convert/tests/fixtures/text-a-link.svg @@ -0,0 +1,14 @@ +<?xml version="1.0" encoding="UTF-8"?> +<svg width="400" height="400" xmlns="http://www.w3.org/2000/svg"> + <text x="100" y="100"> + <a href="https://example.com"> + This is a link to example.com + </a> + + <tspan x="100" dy="2em"> + <a href="https://another.example.com"> + This is a link to another.example.com + </a> + </tspan> + </text> +</svg> diff --git a/rsvg_convert/tests/fixtures/zero-offset-png.png b/rsvg_convert/tests/fixtures/zero-offset-png.png Binary files differnew file mode 100644 index 00000000..adbe9524 --- /dev/null +++ b/rsvg_convert/tests/fixtures/zero-offset-png.png diff --git a/rsvg_convert/tests/internal_predicates/file.rs b/rsvg_convert/tests/internal_predicates/file.rs new file mode 100644 index 00000000..a7af5acf --- /dev/null +++ b/rsvg_convert/tests/internal_predicates/file.rs @@ -0,0 +1,28 @@ +use predicates::prelude::*; +use predicates::str::StartsWithPredicate; + +use super::pdf::PdfPredicate; +use super::png::PngPredicate; +use super::svg::SvgPredicate; + +/// Predicates to check that some output ([u8]) is of a certain file type + +pub fn is_png() -> PngPredicate { + PngPredicate {} +} + +pub fn is_ps() -> StartsWithPredicate { + predicate::str::starts_with("%!PS-Adobe-3.0\n") +} + +pub fn is_eps() -> StartsWithPredicate { + predicate::str::starts_with("%!PS-Adobe-3.0 EPSF-3.0\n") +} + +pub fn is_pdf() -> PdfPredicate { + PdfPredicate {} +} + +pub fn is_svg() -> SvgPredicate { + SvgPredicate {} +} diff --git a/rsvg_convert/tests/internal_predicates/mod.rs b/rsvg_convert/tests/internal_predicates/mod.rs new file mode 100644 index 00000000..7e15354d --- /dev/null +++ b/rsvg_convert/tests/internal_predicates/mod.rs @@ -0,0 +1,4 @@ +pub mod file; +mod pdf; +mod png; +mod svg; diff --git a/rsvg_convert/tests/internal_predicates/pdf.rs b/rsvg_convert/tests/internal_predicates/pdf.rs new file mode 100644 index 00000000..f7872d71 --- /dev/null +++ b/rsvg_convert/tests/internal_predicates/pdf.rs @@ -0,0 +1,358 @@ +use chrono::{DateTime, Utc}; +use float_cmp::approx_eq; +use lopdf::{self, Dictionary, Object}; +use predicates::prelude::*; +use predicates::reflection::{Case, Child, PredicateReflection, Product}; +use std::cmp; +use std::fmt; + +/// Checks that the variable of type [u8] can be parsed as a PDF file. +#[derive(Debug)] +pub struct PdfPredicate {} + +impl PdfPredicate { + pub fn with_page_count(self: Self, num_pages: usize) -> DetailPredicate<Self> { + DetailPredicate::<Self> { + p: self, + d: Detail::PageCount(num_pages), + } + } + + pub fn with_page_size( + self: Self, + idx: usize, + width_in_points: f32, + height_in_points: f32, + ) -> DetailPredicate<Self> { + DetailPredicate::<Self> { + p: self, + d: Detail::PageSize( + Dimensions { + w: width_in_points, + h: height_in_points, + unit: 1.0, + }, + idx, + ), + } + } + + pub fn with_creation_date(self: Self, when: DateTime<Utc>) -> DetailPredicate<Self> { + DetailPredicate::<Self> { + p: self, + d: Detail::CreationDate(when), + } + } + + pub fn with_link(self: Self, link: &str) -> DetailPredicate<Self> { + DetailPredicate::<Self> { + p: self, + d: Detail::Link(link.to_string()), + } + } + + pub fn with_text(self: Self, text: &str) -> DetailPredicate<Self> { + DetailPredicate::<Self> { + p: self, + d: Detail::Text(text.to_string()), + } + } +} + +impl Predicate<[u8]> for PdfPredicate { + fn eval(&self, data: &[u8]) -> bool { + lopdf::Document::load_mem(data).is_ok() + } + + fn find_case<'a>(&'a self, _expected: bool, data: &[u8]) -> Option<Case<'a>> { + match lopdf::Document::load_mem(data) { + Ok(_) => None, + Err(e) => Some(Case::new(Some(self), false).add_product(Product::new("Error", e))), + } + } +} + +impl PredicateReflection for PdfPredicate {} + +impl fmt::Display for PdfPredicate { + fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { + write!(f, "is a PDF") + } +} + +/// Extends a PdfPredicate by a check for page count, page size or creation date. +#[derive(Debug)] +pub struct DetailPredicate<PdfPredicate> { + p: PdfPredicate, + d: Detail, +} + +#[derive(Debug)] +enum Detail { + PageCount(usize), + PageSize(Dimensions, usize), + CreationDate(DateTime<Utc>), + Link(String), + Text(String), +} + +/// A PDF page's dimensions from its `MediaBox`. +/// +/// Note that `w` and `h` given in `UserUnit`, which is by default 1.0 = 1/72 inch. +#[derive(Debug)] +struct Dimensions { + w: f32, + h: f32, + unit: f32, // UserUnit, in points (1/72 of an inch) +} + +impl Dimensions { + pub fn from_media_box(obj: &lopdf::Object, unit: Option<f32>) -> lopdf::Result<Dimensions> { + let a = obj.as_array()?; + Ok(Dimensions { + w: a[2].as_float()?, + h: a[3].as_float()?, + unit: unit.unwrap_or(1.0), + }) + } + + pub fn width_in_pt(self: &Self) -> f32 { + self.w * self.unit + } + + pub fn height_in_pt(self: &Self) -> f32 { + self.h * self.unit + } +} + +impl fmt::Display for Dimensions { + fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { + write!(f, "{} pt x {} pt", self.width_in_pt(), self.height_in_pt()) + } +} + +impl cmp::PartialEq for Dimensions { + fn eq(&self, other: &Self) -> bool { + approx_eq!( + f32, + self.width_in_pt(), + other.width_in_pt(), + epsilon = 0.0001 + ) && approx_eq!( + f32, + self.height_in_pt(), + other.height_in_pt(), + epsilon = 0.0001 + ) + } +} + +impl cmp::Eq for Dimensions {} + +trait Details { + fn get_page_count(&self) -> usize; + fn get_page_size(&self, idx: usize) -> Option<Dimensions>; + fn get_creation_date(&self) -> Option<DateTime<Utc>>; + fn get_from_trailer<'a>(self: &'a Self, key: &[u8]) -> lopdf::Result<&'a lopdf::Object>; + fn get_from_page<'a>( + self: &'a Self, + idx: usize, + key: &[u8], + ) -> lopdf::Result<&'a lopdf::Object>; +} + +impl DetailPredicate<PdfPredicate> { + fn eval_doc(&self, doc: &lopdf::Document) -> bool { + match &self.d { + Detail::PageCount(n) => doc.get_page_count() == *n, + Detail::PageSize(d, idx) => doc.get_page_size(*idx).map_or(false, |dim| dim == *d), + Detail::CreationDate(d) => doc.get_creation_date().map_or(false, |date| date == *d), + Detail::Link(link) => document_has_link(doc, &link), + Detail::Text(text) => document_has_text(doc, &text), + } + } + + fn find_case_for_doc<'a>(&'a self, expected: bool, doc: &lopdf::Document) -> Option<Case<'a>> { + if self.eval_doc(doc) == expected { + let product = self.product_for_doc(doc); + Some(Case::new(Some(self), false).add_product(product)) + } else { + None + } + } + + fn product_for_doc(&self, doc: &lopdf::Document) -> Product { + match &self.d { + Detail::PageCount(_) => Product::new( + "actual page count", + format!("{} page(s)", doc.get_page_count()), + ), + Detail::PageSize(_, idx) => Product::new( + "actual page size", + match doc.get_page_size(*idx) { + Some(dim) => format!("{}", dim), + None => "None".to_string(), + }, + ), + Detail::CreationDate(_) => Product::new( + "actual creation date", + format!("{:?}", doc.get_creation_date()), + ), + Detail::Link(_) => Product::new( + "actual link contents", + "FIXME: who knows, but it's not what we expected".to_string(), + ), + Detail::Text(_) => { + Product::new("actual text contents", doc.extract_text(&[1]).unwrap()) + } + } + } +} + +// Extensions to lopdf::Object; can be removed after lopdf 0.26 +trait ObjExt { + /// Get the object value as a float. + /// Unlike as_f32() this will also cast an Integer to a Real. + fn as_float(&self) -> lopdf::Result<f32>; +} + +impl ObjExt for lopdf::Object { + fn as_float(&self) -> lopdf::Result<f32> { + match *self { + lopdf::Object::Integer(ref value) => Ok(*value as f32), + lopdf::Object::Real(ref value) => Ok(*value), + _ => Err(lopdf::Error::Type), + } + } +} + +impl Details for lopdf::Document { + fn get_page_count(self: &Self) -> usize { + self.get_pages().len() + } + + fn get_page_size(self: &Self, idx: usize) -> Option<Dimensions> { + match self.get_from_page(idx, b"MediaBox") { + Ok(obj) => { + let unit = self + .get_from_page(idx, b"UserUnit") + .and_then(ObjExt::as_float) + .ok(); + Dimensions::from_media_box(obj, unit).ok() + } + Err(_) => None, + } + } + + fn get_creation_date(self: &Self) -> Option<DateTime<Utc>> { + match self.get_from_trailer(b"CreationDate") { + Ok(obj) => obj.as_datetime().map(|date| date.with_timezone(&Utc)), + Err(_) => None, + } + } + + fn get_from_trailer<'a>(self: &'a Self, key: &[u8]) -> lopdf::Result<&'a lopdf::Object> { + let id = self.trailer.get(b"Info")?.as_reference()?; + self.get_object(id)?.as_dict()?.get(key) + } + + fn get_from_page<'a>( + self: &'a Self, + idx: usize, + key: &[u8], + ) -> lopdf::Result<&'a lopdf::Object> { + let mut iter = self.page_iter(); + for _ in 0..idx { + let _ = iter.next(); + } + match iter.next() { + Some(id) => self.get_object(id)?.as_dict()?.get(key), + None => Err(lopdf::Error::ObjectNotFound), + } + } +} + +impl Predicate<[u8]> for DetailPredicate<PdfPredicate> { + fn eval(&self, data: &[u8]) -> bool { + match lopdf::Document::load_mem(data) { + Ok(doc) => self.eval_doc(&doc), + _ => false, + } + } + + fn find_case<'a>(&'a self, expected: bool, data: &[u8]) -> Option<Case<'a>> { + match lopdf::Document::load_mem(data) { + Ok(doc) => self.find_case_for_doc(expected, &doc), + Err(e) => Some(Case::new(Some(self), false).add_product(Product::new("Error", e))), + } + } +} + +impl PredicateReflection for DetailPredicate<PdfPredicate> { + fn children<'a>(&'a self) -> Box<dyn Iterator<Item = Child<'a>> + 'a> { + let params = vec![Child::new("predicate", &self.p)]; + Box::new(params.into_iter()) + } +} + +impl fmt::Display for DetailPredicate<PdfPredicate> { + fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { + match &self.d { + Detail::PageCount(n) => write!(f, "is a PDF with {} page(s)", n), + Detail::PageSize(d, _) => write!(f, "is a PDF sized {}", d), + Detail::CreationDate(d) => write!(f, "is a PDF created {:?}", d), + Detail::Link(l) => write!(f, "is a PDF with a link to {}", l), + Detail::Text(t) => write!(f, "is a PDF with \"{}\" in its text content", t), + } + } +} + +// This is an extremely trivial test for a string being present in the document's +// text objects. +fn document_has_text(document: &lopdf::Document, needle: &str) -> bool { + if let Ok(haystack) = text_from_first_page(document) { + haystack.contains(needle) + } else { + false + } +} + +// We do a super simple test that a PDF actually contains an Annotation object +// with a particular link. We don't test that this annotation is actually linked +// from a page; that would be nicer. +fn document_has_link(document: &lopdf::Document, link_text: &str) -> bool { + document + .objects + .iter() + .map(|(_obj_id, object)| object) + .any(|obj| object_is_annotation_with_link(obj, link_text)) +} + +fn object_is_annotation_with_link(object: &Object, link_text: &str) -> bool { + object + .as_dict() + .map(|dict| dict_is_annotation(dict) && dict_has_a_with_link(dict, link_text)) + .unwrap_or(false) +} + +fn dict_is_annotation(dict: &Dictionary) -> bool { + dict.get(b"Type") + .and_then(|type_val| type_val.as_name_str()) + .map(|name| name == "Annot") + .unwrap_or(false) +} + +fn dict_has_a_with_link(dict: &Dictionary, link_text: &str) -> bool { + dict.get(b"A") + .and_then(|obj| obj.as_dict()) + .and_then(|dict| dict.get(b"URI")) + .and_then(|obj| obj.as_str()) + .map(|string| string == link_text.as_bytes()) + .unwrap_or(false) +} + +fn text_from_first_page(doc: &lopdf::Document) -> lopdf::Result<String> { + // This is extremely simplistic; lopdf just concatenates all the text in the page + // into a single string. + doc.extract_text(&[1]) +} diff --git a/rsvg_convert/tests/internal_predicates/png.rs b/rsvg_convert/tests/internal_predicates/png.rs new file mode 100644 index 00000000..f629b510 --- /dev/null +++ b/rsvg_convert/tests/internal_predicates/png.rs @@ -0,0 +1,193 @@ +use png; +use predicates::prelude::*; +use predicates::reflection::{Case, Child, PredicateReflection, Product}; +use std::fmt; +use std::io::BufReader; +use std::path::{Path, PathBuf}; + +use rsvg::surface_utils::shared_surface::{SharedImageSurface, SurfaceType}; + +use rsvg::test_utils::compare_surfaces::BufferDiff; +use rsvg::test_utils::reference_utils::{surface_from_png, Compare, Deviation, Reference}; + +/// Checks that the variable of type [u8] can be parsed as a PNG file. +#[derive(Debug)] +pub struct PngPredicate {} + +impl PngPredicate { + pub fn with_size(self: Self, w: u32, h: u32) -> SizePredicate<Self> { + SizePredicate::<Self> { p: self, w, h } + } + + pub fn with_contents<P: AsRef<Path>>(self: Self, reference: P) -> ReferencePredicate<Self> { + let mut path = PathBuf::new(); + path.push(reference); + ReferencePredicate::<Self> { p: self, path } + } +} + +impl Predicate<[u8]> for PngPredicate { + fn eval(&self, data: &[u8]) -> bool { + let decoder = png::Decoder::new(data); + decoder.read_info().is_ok() + } + + fn find_case<'a>(&'a self, _expected: bool, data: &[u8]) -> Option<Case<'a>> { + let decoder = png::Decoder::new(data); + match decoder.read_info() { + Ok(_) => None, + Err(e) => Some(Case::new(Some(self), false).add_product(Product::new("Error", e))), + } + } +} + +impl PredicateReflection for PngPredicate {} + +impl fmt::Display for PngPredicate { + fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { + write!(f, "is a PNG") + } +} + +/// Extends a PngPredicate by a check for a given size of the PNG file. +#[derive(Debug)] +pub struct SizePredicate<PngPredicate> { + p: PngPredicate, + w: u32, + h: u32, +} + +impl SizePredicate<PngPredicate> { + fn eval_info(&self, info: &png::Info) -> bool { + info.width == self.w && info.height == self.h + } + + fn find_case_for_info<'a>(&'a self, expected: bool, info: &png::Info) -> Option<Case<'a>> { + if self.eval_info(info) == expected { + let product = self.product_for_info(info); + Some(Case::new(Some(self), false).add_product(product)) + } else { + None + } + } + + fn product_for_info(&self, info: &png::Info) -> Product { + let actual_size = format!("{} x {}", info.width, info.height); + Product::new("actual size", actual_size) + } +} + +impl Predicate<[u8]> for SizePredicate<PngPredicate> { + fn eval(&self, data: &[u8]) -> bool { + let decoder = png::Decoder::new(data); + match decoder.read_info() { + Ok(reader) => self.eval_info(&reader.info()), + _ => false, + } + } + + fn find_case<'a>(&'a self, expected: bool, data: &[u8]) -> Option<Case<'a>> { + let decoder = png::Decoder::new(data); + match decoder.read_info() { + Ok(reader) => self.find_case_for_info(expected, reader.info()), + Err(e) => Some(Case::new(Some(self), false).add_product(Product::new("Error", e))), + } + } +} + +impl PredicateReflection for SizePredicate<PngPredicate> { + fn children<'a>(&'a self) -> Box<dyn Iterator<Item = Child<'a>> + 'a> { + let params = vec![Child::new("predicate", &self.p)]; + Box::new(params.into_iter()) + } +} + +impl fmt::Display for SizePredicate<PngPredicate> { + fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { + write!(f, "is a PNG with size {} x {}", self.w, self.h) + } +} + +/// Extends a PngPredicate by a comparison to the contents of a reference file +#[derive(Debug)] +pub struct ReferencePredicate<PngPredicate> { + p: PngPredicate, + path: PathBuf, +} + +impl ReferencePredicate<PngPredicate> { + fn diff_acceptable(diff: &BufferDiff) -> bool { + match diff { + BufferDiff::DifferentSizes => false, + BufferDiff::Diff(diff) => !diff.inacceptable(), + } + } + + fn diff_surface(&self, surface: &SharedImageSurface) -> Option<BufferDiff> { + let reference = Reference::from_png(&self.path) + .unwrap_or_else(|_| panic!("could not open {:?}", self.path)); + if let Ok(diff) = reference.compare(&surface) { + if !Self::diff_acceptable(&diff) { + return Some(diff); + } + } + None + } + + fn find_case_for_surface<'a>( + &'a self, + expected: bool, + surface: &SharedImageSurface, + ) -> Option<Case<'a>> { + let diff = self.diff_surface(&surface); + if diff.is_some() != expected { + let product = self.product_for_diff(&diff.unwrap()); + Some(Case::new(Some(self), false).add_product(product)) + } else { + None + } + } + + fn product_for_diff(&self, diff: &BufferDiff) -> Product { + let difference = format!("{}", diff); + Product::new("images differ", difference) + } +} + +impl Predicate<[u8]> for ReferencePredicate<PngPredicate> { + fn eval(&self, data: &[u8]) -> bool { + if let Ok(surface) = surface_from_png(&mut BufReader::new(data)) { + let surface = SharedImageSurface::wrap(surface, SurfaceType::SRgb).unwrap(); + self.diff_surface(&surface).is_some() + } else { + false + } + } + + fn find_case<'a>(&'a self, expected: bool, data: &[u8]) -> Option<Case<'a>> { + match surface_from_png(&mut BufReader::new(data)) { + Ok(surface) => { + let surface = SharedImageSurface::wrap(surface, SurfaceType::SRgb).unwrap(); + self.find_case_for_surface(expected, &surface) + } + Err(e) => Some(Case::new(Some(self), false).add_product(Product::new("Error", e))), + } + } +} + +impl PredicateReflection for ReferencePredicate<PngPredicate> { + fn children<'a>(&'a self) -> Box<dyn Iterator<Item = Child<'a>> + 'a> { + let params = vec![Child::new("predicate", &self.p)]; + Box::new(params.into_iter()) + } +} + +impl fmt::Display for ReferencePredicate<PngPredicate> { + fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { + write!( + f, + "is a PNG that matches the reference {}", + self.path.display() + ) + } +} diff --git a/rsvg_convert/tests/internal_predicates/svg.rs b/rsvg_convert/tests/internal_predicates/svg.rs new file mode 100644 index 00000000..70473812 --- /dev/null +++ b/rsvg_convert/tests/internal_predicates/svg.rs @@ -0,0 +1,179 @@ +use float_cmp::approx_eq; +use gio::glib::Bytes; +use gio::MemoryInputStream; +use predicates::prelude::*; +use predicates::reflection::{Case, Child, PredicateReflection, Product}; +use std::cmp; +use std::fmt; + +use rsvg::{CairoRenderer, Length, Loader, LoadingError, SvgHandle}; + +/// Checks that the variable of type [u8] can be parsed as a SVG file. +#[derive(Debug)] +pub struct SvgPredicate {} + +impl SvgPredicate { + pub fn with_size(self: Self, width: Length, height: Length) -> DetailPredicate<Self> { + DetailPredicate::<Self> { + p: self, + d: Detail::Size(Dimensions { + w: width, + h: height, + }), + } + } +} + +fn svg_from_bytes(data: &[u8]) -> Result<SvgHandle, LoadingError> { + let bytes = Bytes::from(data); + let stream = MemoryInputStream::from_bytes(&bytes); + Loader::new().read_stream(&stream, None::<&gio::File>, None::<&gio::Cancellable>) +} + +impl Predicate<[u8]> for SvgPredicate { + fn eval(&self, data: &[u8]) -> bool { + svg_from_bytes(data).is_ok() + } + + fn find_case<'a>(&'a self, _expected: bool, data: &[u8]) -> Option<Case<'a>> { + match svg_from_bytes(data) { + Ok(_) => None, + Err(e) => Some(Case::new(Some(self), false).add_product(Product::new("Error", e))), + } + } +} + +impl PredicateReflection for SvgPredicate {} + +impl fmt::Display for SvgPredicate { + fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { + write!(f, "is an SVG") + } +} + +/// Extends a SVG Predicate by a check for its size +#[derive(Debug)] +pub struct DetailPredicate<SvgPredicate> { + p: SvgPredicate, + d: Detail, +} + +#[derive(Debug)] +enum Detail { + Size(Dimensions), +} + +/// SVG's dimensions +#[derive(Debug)] +struct Dimensions { + w: Length, + h: Length, +} + +impl Dimensions { + pub fn width(self: &Self) -> f64 { + self.w.length + } + + pub fn height(self: &Self) -> f64 { + self.h.length + } +} + +impl fmt::Display for Dimensions { + fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { + write!( + f, + "{}{} x {}{}", + self.width(), + self.w.unit, + self.height(), + self.h.unit + ) + } +} + +impl cmp::PartialEq for Dimensions { + fn eq(&self, other: &Self) -> bool { + approx_eq!(f64, self.width(), other.width(), epsilon = 0.000_001) + && approx_eq!(f64, self.height(), other.height(), epsilon = 0.000_001) + && (self.w.unit == self.h.unit) + && (self.h.unit == other.h.unit) + && (other.h.unit == other.w.unit) + } +} + +impl cmp::Eq for Dimensions {} + +trait Details { + fn get_size(&self) -> Option<Dimensions>; +} + +impl DetailPredicate<SvgPredicate> { + fn eval_doc(&self, handle: &SvgHandle) -> bool { + match &self.d { + Detail::Size(d) => { + let renderer = CairoRenderer::new(handle); + let dimensions = renderer.intrinsic_dimensions(); + (dimensions.width, dimensions.height) == (d.w, d.h) + } + } + } + + fn find_case_for_doc<'a>(&'a self, expected: bool, handle: &SvgHandle) -> Option<Case<'a>> { + if self.eval_doc(handle) == expected { + let product = self.product_for_doc(handle); + Some(Case::new(Some(self), false).add_product(product)) + } else { + None + } + } + + fn product_for_doc(&self, handle: &SvgHandle) -> Product { + match &self.d { + Detail::Size(_) => { + let renderer = CairoRenderer::new(handle); + let dimensions = renderer.intrinsic_dimensions(); + + Product::new( + "actual size", + format!( + "width={:?}, height={:?}", + dimensions.width, dimensions.height + ), + ) + } + } + } +} + +impl Predicate<[u8]> for DetailPredicate<SvgPredicate> { + fn eval(&self, data: &[u8]) -> bool { + match svg_from_bytes(data) { + Ok(handle) => self.eval_doc(&handle), + _ => false, + } + } + + fn find_case<'a>(&'a self, expected: bool, data: &[u8]) -> Option<Case<'a>> { + match svg_from_bytes(data) { + Ok(handle) => self.find_case_for_doc(expected, &handle), + Err(e) => Some(Case::new(Some(self), false).add_product(Product::new("Error", e))), + } + } +} + +impl PredicateReflection for DetailPredicate<SvgPredicate> { + fn children<'a>(&'a self) -> Box<dyn Iterator<Item = Child<'a>> + 'a> { + let params = vec![Child::new("predicate", &self.p)]; + Box::new(params.into_iter()) + } +} + +impl fmt::Display for DetailPredicate<SvgPredicate> { + fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { + match &self.d { + Detail::Size(d) => write!(f, "is an SVG sized {}", d), + } + } +} diff --git a/rsvg_convert/tests/rsvg_convert.rs b/rsvg_convert/tests/rsvg_convert.rs new file mode 100644 index 00000000..f58edf6c --- /dev/null +++ b/rsvg_convert/tests/rsvg_convert.rs @@ -0,0 +1,1078 @@ +//use crate::predicates::ends_with_pkg_version; +mod internal_predicates; +use internal_predicates::file; + +use assert_cmd::assert::IntoOutputPredicate; +use assert_cmd::Command; +#[cfg(system_deps_have_cairo_pdf)] +use chrono::{TimeZone, Utc}; +use predicates::boolean::*; +use predicates::prelude::*; +use predicates::str::*; +use rsvg::{Length, LengthUnit}; +use std::path::Path; +use tempfile::Builder; +use url::Url; + +// What should be tested here? +// The goal is to test the code in rsvg-convert, not the entire library. +// +// - command-line options that affect size (width, height, zoom, resolution) ✔ +// - pixel dimensions of the output (should be sufficient to do that for PNG) ✔ +// - limit on output size (32767 pixels) ✔ +// - output formats (PNG, PDF, PS, EPS, SVG) ✔ +// - multi-page output (for PDF) ✔ +// - output file option ✔ +// - SOURCE_DATA_EPOCH environment variable for PDF output ✔ +// - background color option ✔ +// - optional CSS stylesheet ✔ +// - error handling for missing SVG dimensions ✔ +// - error handling for export lookup ID ✔ +// - error handling for invalid input ✔ + +struct RsvgConvert {} + +impl RsvgConvert { + fn new() -> Command { + Command::cargo_bin("rsvg-convert").unwrap() + } + + fn new_with_input<P>(file: P) -> Command + where + P: AsRef<Path>, + { + let mut command = RsvgConvert::new(); + match command.pipe_stdin(&file) { + Ok(_) => command, + Err(e) => panic!("Error opening file '{}': {}", file.as_ref().display(), e), + } + } + + fn accepts_arg(option: &str) { + RsvgConvert::new_with_input("tests/fixtures/dpi.svg") + .arg(option) + .assert() + .success(); + } + + fn option_yields_output<I, P>(option: &str, output_pred: I) + where + I: IntoOutputPredicate<P>, + P: Predicate<[u8]>, + { + RsvgConvert::new() + .arg(option) + .assert() + .success() + .stdout(output_pred); + } +} + +#[test] +fn converts_svg_from_stdin_to_png() { + RsvgConvert::new_with_input("tests/fixtures/bug521-with-viewbox.svg") + .assert() + .success() + .stdout(file::is_png()); +} + +#[test] +fn argument_is_input_filename() { + let input = Path::new("tests/fixtures/bug521-with-viewbox.svg"); + RsvgConvert::new() + .arg(input) + .assert() + .success() + .stdout(file::is_png()); +} + +#[test] +fn argument_is_url() { + let path = Path::new("tests/fixtures/bug521-with-viewbox.svg") + .canonicalize() + .unwrap(); + let url = Url::from_file_path(path).unwrap(); + let stringified = url.as_str(); + assert!(stringified.starts_with("file://")); + + RsvgConvert::new() + .arg(stringified) + .assert() + .success() + .stdout(file::is_png()); +} + +#[test] +fn output_format_png() { + RsvgConvert::new_with_input("tests/fixtures/bug521-with-viewbox.svg") + .arg("--format=png") + .assert() + .success() + .stdout(file::is_png()); +} + +#[cfg(system_deps_have_cairo_ps)] +#[test] +fn output_format_ps() { + RsvgConvert::new_with_input("tests/fixtures/bug521-with-viewbox.svg") + .arg("--format=ps") + .assert() + .success() + .stdout(file::is_ps()); +} + +#[cfg(system_deps_have_cairo_ps)] +#[test] +fn output_format_eps() { + RsvgConvert::new_with_input("tests/fixtures/bug521-with-viewbox.svg") + .arg("--format=eps") + .assert() + .success() + .stdout(file::is_eps()); +} + +#[cfg(system_deps_have_cairo_pdf)] +#[test] +fn output_format_pdf() { + RsvgConvert::new_with_input("tests/fixtures/bug521-with-viewbox.svg") + .arg("--format=pdf") + .assert() + .success() + .stdout(file::is_pdf()); +} + +#[cfg(system_deps_have_cairo_svg)] +#[test] +fn output_format_svg_short_option() { + RsvgConvert::new_with_input("tests/fixtures/bug521-with-viewbox.svg") + .arg("-f") + .arg("svg") + .assert() + .success() + .stdout(file::is_svg()); +} + +#[cfg(system_deps_have_cairo_svg)] +#[test] +fn user_specified_width_and_height() { + RsvgConvert::new_with_input("tests/fixtures/bug521-with-viewbox.svg") + .arg("--format") + .arg("svg") + .arg("--width") + .arg("42cm") + .arg("--height") + .arg("43cm") + .assert() + .success() + .stdout(file::is_svg().with_size( + Length::new(42.0, LengthUnit::Cm), + Length::new(43.0, LengthUnit::Cm), + )); +} + +#[cfg(system_deps_have_cairo_svg)] +#[test] +fn user_specified_width_and_height_px_output() { + RsvgConvert::new_with_input("tests/fixtures/bug521-with-viewbox.svg") + .arg("--format") + .arg("svg") + .arg("--width") + .arg("1920") + .arg("--height") + .arg("508mm") + .assert() + .success() + .stdout(file::is_svg().with_size( + Length::new(1920.0, LengthUnit::Px), + Length::new(1920.0, LengthUnit::Px), + )); +} + +#[cfg(system_deps_have_cairo_svg)] +#[test] +fn user_specified_width_and_height_a4() { + RsvgConvert::new_with_input("tests/fixtures/bug521-with-viewbox.svg") + .arg("--format") + .arg("svg") + .arg("--page-width") + .arg("210mm") + .arg("--page-height") + .arg("297mm") + .arg("--left") + .arg("1cm") + .arg("--top") + .arg("1cm") + .arg("--width") + .arg("190mm") + .arg("--height") + .arg("277mm") + .assert() + .success() + .stdout(file::is_svg().with_size( + Length::new(210.0, LengthUnit::Mm), + Length::new(297.0, LengthUnit::Mm), + )); +} + +#[test] +fn output_file_option() { + let output = { + let tempfile = Builder::new().suffix(".png").tempfile().unwrap(); + tempfile.path().to_path_buf() + }; + assert!(predicates::path::is_file().not().eval(&output)); + + RsvgConvert::new_with_input("tests/fixtures/bug521-with-viewbox.svg") + .arg(format!("--output={}", output.display())) + .assert() + .success() + .stdout(is_empty()); + + assert!(predicates::path::is_file().eval(&output)); + std::fs::remove_file(&output).unwrap(); +} + +#[test] +fn output_file_short_option() { + let output = { + let tempfile = Builder::new().suffix(".png").tempfile().unwrap(); + tempfile.path().to_path_buf() + }; + assert!(predicates::path::is_file().not().eval(&output)); + + RsvgConvert::new_with_input("tests/fixtures/bug521-with-viewbox.svg") + .arg("-o") + .arg(format!("{}", output.display())) + .assert() + .success() + .stdout(is_empty()); + + assert!(predicates::path::is_file().eval(&output)); + std::fs::remove_file(&output).unwrap(); +} + +#[test] +fn overwrites_existing_output_file() { + let output = { + let tempfile = Builder::new().suffix(".png").tempfile().unwrap(); + tempfile.path().to_path_buf() + }; + assert!(predicates::path::is_file().not().eval(&output)); + + for _ in 0..2 { + RsvgConvert::new_with_input("tests/fixtures/bug521-with-viewbox.svg") + .arg(format!("--output={}", output.display())) + .assert() + .success() + .stdout(is_empty()); + + assert!(predicates::path::is_file().eval(&output)); + } + + std::fs::remove_file(&output).unwrap(); +} + +#[test] +fn empty_input_yields_error() { + let starts_with = starts_with("Error reading SVG"); + let ends_with = ends_with("Input file is too short").trim(); + RsvgConvert::new() + .assert() + .failure() + .stderr(starts_with.and(ends_with)); +} + +#[test] +fn empty_svg_yields_error() { + RsvgConvert::new_with_input("tests/fixtures/empty.svg") + .assert() + .failure() + .stderr("The SVG stdin has no dimensions\n"); +} + +#[test] +fn multiple_input_files_not_allowed_for_png_output() { + let one = Path::new("tests/fixtures/bug521-with-viewbox.svg"); + let two = Path::new("tests/fixtures/sub-rect-no-unit.svg"); + RsvgConvert::new() + .arg(one) + .arg(two) + .assert() + .failure() + .stderr(contains( + "Multiple SVG files are only allowed for PDF and (E)PS output", + )); +} + +#[cfg(system_deps_have_cairo_ps)] +#[test] +fn multiple_input_files_accepted_for_eps_output() { + let one = Path::new("tests/fixtures/bug521-with-viewbox.svg"); + let two = Path::new("tests/fixtures/sub-rect-no-unit.svg"); + RsvgConvert::new() + .arg("--format=eps") + .arg(one) + .arg(two) + .assert() + .success() + .stdout(file::is_eps()); +} + +#[cfg(system_deps_have_cairo_ps)] +#[test] +fn multiple_input_files_accepted_for_ps_output() { + let one = Path::new("tests/fixtures/bug521-with-viewbox.svg"); + let two = Path::new("tests/fixtures/sub-rect-no-unit.svg"); + RsvgConvert::new() + .arg("--format=ps") + .arg(one) + .arg(two) + .assert() + .success() + .stdout(file::is_ps()); +} + +#[cfg(system_deps_have_cairo_pdf)] +#[test] +fn multiple_input_files_create_multi_page_pdf_output() { + let one = Path::new("tests/fixtures/bug521-with-viewbox.svg"); + let two = Path::new("tests/fixtures/sub-rect-no-unit.svg"); + let three = Path::new("tests/fixtures/example.svg"); + RsvgConvert::new() + .arg("--format=pdf") + .arg(one) + .arg(two) + .arg(three) + .assert() + .success() + .stdout( + file::is_pdf() + .with_page_count(3) + .and(file::is_pdf().with_page_size(0, 150.0, 75.0)) + .and(file::is_pdf().with_page_size(1, 123.0, 123.0)) + .and(file::is_pdf().with_page_size(2, 75.0, 300.0)), + ); +} + +#[cfg(system_deps_have_cairo_pdf)] +#[test] +fn multiple_input_files_create_multi_page_pdf_output_fixed_size() { + let one = Path::new("tests/fixtures/bug521-with-viewbox.svg"); + let two = Path::new("tests/fixtures/sub-rect-no-unit.svg"); + let three = Path::new("tests/fixtures/example.svg"); + RsvgConvert::new() + .arg("--format=pdf") + .arg("--page-width=8.5in") + .arg("--page-height=11in") + .arg("--width=7.5in") + .arg("--height=10in") + .arg("--left=0.5in") + .arg("--top=0.5in") + .arg("--keep-aspect-ratio") + .arg(one) + .arg(two) + .arg(three) + .assert() + .success() + .stdout( + file::is_pdf() + .with_page_count(3) + // https://www.wolframalpha.com/input/?i=convert+11+inches+to+desktop+publishing+points + .and(file::is_pdf().with_page_size(0, 612.0, 792.0)) + .and(file::is_pdf().with_page_size(1, 612.0, 792.0)) + .and(file::is_pdf().with_page_size(2, 612.0, 792.0)), + ); +} + +#[cfg(system_deps_have_cairo_pdf)] +#[test] +fn pdf_has_link() { + let input = Path::new("tests/fixtures/a-link.svg"); + RsvgConvert::new() + .arg("--format=pdf") + .arg(input) + .assert() + .success() + .stdout(file::is_pdf().with_link("https://example.com")); +} + +#[cfg(system_deps_have_cairo_pdf)] +#[test] +fn pdf_has_link_inside_text() { + let input = Path::new("tests/fixtures/text-a-link.svg"); + RsvgConvert::new() + .arg("--format=pdf") + .arg(input) + .assert() + .success() + .stdout( + file::is_pdf() + .with_link("https://example.com") + .and(file::is_pdf().with_link("https://another.example.com")), + ); +} + +#[cfg(system_deps_have_cairo_pdf)] +#[test] +fn pdf_has_text() { + let input = Path::new("tests/fixtures/hello-world.svg"); + RsvgConvert::new() + .arg("--format=pdf") + .arg(input) + .assert() + .success() + .stdout( + file::is_pdf() + .with_text("Hello world!") + .and(file::is_pdf().with_text("Hello again!")), + ); +} + +#[cfg(system_deps_have_cairo_pdf)] +#[test] +fn env_source_data_epoch_controls_pdf_creation_date() { + let input = Path::new("tests/fixtures/bug521-with-viewbox.svg"); + let date = 1581411039; // seconds since epoch + RsvgConvert::new() + .env("SOURCE_DATE_EPOCH", format!("{}", date)) + .arg("--format=pdf") + .arg(input) + .assert() + .success() + .stdout(file::is_pdf().with_creation_date(Utc.timestamp_opt(date, 0).unwrap())); +} + +#[cfg(system_deps_have_cairo_pdf)] +#[test] +fn env_source_data_epoch_no_digits() { + // intentionally not testing for the full error string here + let input = Path::new("tests/fixtures/bug521-with-viewbox.svg"); + RsvgConvert::new() + .env("SOURCE_DATE_EPOCH", "foobar") + .arg("--format=pdf") + .arg(input) + .assert() + .failure() + .stderr(starts_with("Environment variable $SOURCE_DATE_EPOCH")); +} + +#[cfg(system_deps_have_cairo_pdf)] +#[test] +fn env_source_data_epoch_trailing_garbage() { + // intentionally not testing for the full error string here + let input = Path::new("tests/fixtures/bug521-with-viewbox.svg"); + RsvgConvert::new() + .arg("--format=pdf") + .env("SOURCE_DATE_EPOCH", "1234556+") + .arg(input) + .assert() + .failure() + .stderr(starts_with("Environment variable $SOURCE_DATE_EPOCH")); +} + +#[cfg(system_deps_have_cairo_pdf)] +#[test] +fn env_source_data_epoch_empty() { + // intentionally not testing for the full error string here + let input = Path::new("tests/fixtures/bug521-with-viewbox.svg"); + RsvgConvert::new() + .arg("--format=pdf") + .env("SOURCE_DATE_EPOCH", "") + .arg(input) + .assert() + .failure() + .stderr(starts_with("Environment variable $SOURCE_DATE_EPOCH")); +} + +#[test] +fn width_option() { + RsvgConvert::new_with_input("tests/fixtures/bug521-with-viewbox.svg") + .arg("--width=300") + .assert() + .success() + .stdout(file::is_png().with_size(300, 150)); +} + +#[test] +fn height_option() { + RsvgConvert::new_with_input("tests/fixtures/bug521-with-viewbox.svg") + .arg("--height=200") + .assert() + .success() + .stdout(file::is_png().with_size(400, 200)); +} + +#[test] +fn width_and_height_options() { + RsvgConvert::new_with_input("tests/fixtures/bug521-with-viewbox.svg") + .arg("--width=300") + .arg("--height=200") + .assert() + .success() + .stdout(file::is_png().with_size(300, 200)); +} + +#[test] +fn unsupported_unit_in_width_and_height() { + RsvgConvert::new_with_input("tests/fixtures/bug521-with-viewbox.svg") + .arg("--height=200ex") + .assert() + .failure() + .stderr(contains("supported units")); +} + +#[test] +fn invalid_length() { + RsvgConvert::new_with_input("tests/fixtures/bug521-with-viewbox.svg") + .arg("--page-width=foo") + .assert() + .failure() + .stderr(contains("can not be parsed as a length")); +} + +#[test] +fn zoom_factor() { + RsvgConvert::new_with_input("tests/fixtures/bug521-with-viewbox.svg") + .arg("--zoom=0.8") + .assert() + .success() + .stdout(file::is_png().with_size(160, 80)); +} + +#[test] +fn zoom_factor_and_larger_size() { + RsvgConvert::new_with_input("tests/fixtures/bug521-with-viewbox.svg") + .arg("--width=400") + .arg("--height=200") + .arg("--zoom=1.5") + .assert() + .success() + .stdout(file::is_png().with_size(300, 150)); +} + +#[test] +fn zoom_factor_and_smaller_size() { + RsvgConvert::new_with_input("tests/fixtures/bug521-with-viewbox.svg") + .arg("--width=400") + .arg("--height=200") + .arg("--zoom=3.5") + .assert() + .success() + .stdout(file::is_png().with_size(400, 200)); +} + +#[test] +fn x_zoom_option() { + RsvgConvert::new_with_input("tests/fixtures/bug521-with-viewbox.svg") + .arg("--x-zoom=2") + .assert() + .success() + .stdout(file::is_png().with_size(400, 100)); +} + +#[test] +fn x_short_option() { + RsvgConvert::new_with_input("tests/fixtures/bug521-with-viewbox.svg") + .arg("-x") + .arg("2.0") + .assert() + .success() + .stdout(file::is_png().with_size(400, 100)); +} + +#[test] +fn y_zoom_option() { + RsvgConvert::new_with_input("tests/fixtures/bug521-with-viewbox.svg") + .arg("--y-zoom=2.0") + .assert() + .success() + .stdout(file::is_png().with_size(200, 200)); +} + +#[test] +fn y_short_option() { + RsvgConvert::new_with_input("tests/fixtures/bug521-with-viewbox.svg") + .arg("-y") + .arg("2") + .assert() + .success() + .stdout(file::is_png().with_size(200, 200)); +} + +#[test] +fn huge_zoom_factor_yields_error() { + RsvgConvert::new_with_input("tests/fixtures/bug521-with-viewbox.svg") + .arg("--zoom=1000") + .assert() + .failure() + .stderr(starts_with( + "The resulting image would be larger than 32767 pixels", + )); +} + +#[test] +fn negative_zoom_factor_yields_error() { + RsvgConvert::new_with_input("tests/fixtures/bug521-with-viewbox.svg") + .arg("--zoom=-2") + .assert() + .failure() + .stderr(contains("Invalid zoom")); +} + +#[test] +fn invalid_zoom_factor_yields_error() { + RsvgConvert::new_with_input("tests/fixtures/bug521-with-viewbox.svg") + .arg("--zoom=foo") + .assert() + .failure() + .stderr(contains("invalid value")); +} + +#[test] +fn default_resolution_is_96dpi() { + RsvgConvert::new_with_input("tests/fixtures/dpi.svg") + .assert() + .success() + .stdout(file::is_png().with_size(96, 384)); +} + +#[test] +fn x_resolution() { + RsvgConvert::new_with_input("tests/fixtures/dpi.svg") + .arg("--dpi-x=300") + .assert() + .success() + .stdout(file::is_png().with_size(300, 384)); +} + +#[test] +fn x_resolution_short_option() { + RsvgConvert::new_with_input("tests/fixtures/dpi.svg") + .arg("-d") + .arg("45") + .assert() + .success() + .stdout(file::is_png().with_size(45, 384)); +} + +#[test] +fn y_resolution() { + RsvgConvert::new_with_input("tests/fixtures/dpi.svg") + .arg("--dpi-y=300") + .assert() + .success() + .stdout(file::is_png().with_size(96, 1200)); +} + +#[test] +fn y_resolution_short_option() { + RsvgConvert::new_with_input("tests/fixtures/dpi.svg") + .arg("-p") + .arg("45") + .assert() + .success() + .stdout(file::is_png().with_size(96, 180)); +} + +#[test] +fn x_and_y_resolution() { + RsvgConvert::new_with_input("tests/fixtures/dpi.svg") + .arg("--dpi-x=300") + .arg("--dpi-y=150") + .assert() + .success() + .stdout(file::is_png().with_size(300, 600)); +} + +#[test] +fn zero_resolution_is_invalid() { + RsvgConvert::new_with_input("tests/fixtures/dpi.svg") + .arg("--dpi-x=0") + .arg("--dpi-y=0") + .assert() + .failure() + .stderr(contains("Invalid resolution")); +} + +#[test] +fn negative_resolution_is_invalid() { + RsvgConvert::new_with_input("tests/fixtures/dpi.svg") + .arg("--dpi-x=-100") + .arg("--dpi-y=-100") + .assert() + .failure() + .stderr(contains("Invalid resolution")); +} + +#[test] +fn zero_offset_png() { + RsvgConvert::new_with_input("tests/fixtures/dimensions-in.svg") + .arg("--page-width=640") + .arg("--page-height=480") + .arg("--width=200") + .arg("--height=100") + .assert() + .success() + .stdout(file::is_png().with_contents("tests/fixtures/zero-offset-png.png")); +} + +#[test] +fn offset_png() { + RsvgConvert::new_with_input("tests/fixtures/dimensions-in.svg") + .arg("--page-width=640") + .arg("--page-height=480") + .arg("--width=200") + .arg("--height=100") + .arg("--left=100") + .arg("--top=50") + .assert() + .success() + .stdout(file::is_png().with_contents("tests/fixtures/offset-png.png")); +} + +#[cfg(system_deps_have_cairo_pdf)] +#[test] +fn unscaled_pdf_size() { + RsvgConvert::new_with_input("tests/fixtures/dimensions-in.svg") + .arg("--format=pdf") + .assert() + .success() + .stdout(file::is_pdf().with_page_size(0, 72.0, 72.0)); +} + +#[cfg(system_deps_have_cairo_pdf)] +#[test] +fn pdf_size_width_height() { + RsvgConvert::new_with_input("tests/fixtures/dimensions-in.svg") + .arg("--format=pdf") + .arg("--width=2in") + .arg("--height=3in") + .assert() + .success() + .stdout(file::is_pdf().with_page_size(0, 144.0, 216.0)); +} + +#[cfg(system_deps_have_cairo_pdf)] +#[test] +fn pdf_size_width_height_proportional() { + RsvgConvert::new_with_input("tests/fixtures/dimensions-in.svg") + .arg("--format=pdf") + .arg("--width=2in") + .arg("--height=3in") + .arg("--keep-aspect-ratio") + .assert() + .success() + .stdout(file::is_pdf().with_page_size(0, 144.0, 144.0)); +} + +#[cfg(system_deps_have_cairo_pdf)] +#[test] +fn pdf_page_size() { + RsvgConvert::new_with_input("tests/fixtures/dimensions-in.svg") + .arg("--format=pdf") + .arg("--page-width=210mm") + .arg("--page-height=297mm") + .assert() + .success() + .stdout(file::is_pdf().with_page_size(0, 210.0 / 25.4 * 72.0, 297.0 / 25.4 * 72.0)); +} + +#[cfg(system_deps_have_cairo_pdf)] +#[test] +fn multiple_input_files_create_multi_page_pdf_size_override() { + let one = Path::new("tests/fixtures/bug521-with-viewbox.svg"); + let two = Path::new("tests/fixtures/sub-rect-no-unit.svg"); + let three = Path::new("tests/fixtures/example.svg"); + RsvgConvert::new() + .arg("--format=pdf") + .arg("--width=300pt") + .arg("--height=200pt") + .arg(one) + .arg(two) + .arg(three) + .assert() + .success() + .stdout( + file::is_pdf() + .with_page_count(3) + .and(file::is_pdf().with_page_size(0, 300.0, 200.0)) + .and(file::is_pdf().with_page_size(1, 300.0, 200.0)) + .and(file::is_pdf().with_page_size(2, 300.0, 200.0)), + ); +} + +#[cfg(system_deps_have_cairo_pdf)] +#[test] +fn missing_page_size_yields_error() { + RsvgConvert::new_with_input("tests/fixtures/dimensions-in.svg") + .arg("--format=pdf") + .arg("--page-width=210mm") + .assert() + .failure() + .stderr(contains("both").and(contains("options"))); + + RsvgConvert::new_with_input("tests/fixtures/dimensions-in.svg") + .arg("--format=pdf") + .arg("--page-height=297mm") + .assert() + .failure() + .stderr(contains("both").and(contains("options"))); +} + +#[test] +fn does_not_clip_partial_coverage_pixels() { + RsvgConvert::new_with_input("tests/fixtures/bug677-partial-pixel.svg") + .assert() + .success() + .stdout(file::is_png().with_size(2, 2)); +} + +#[test] +fn background_color_option_with_valid_color() { + RsvgConvert::accepts_arg("--background-color=LimeGreen"); +} + +#[test] +fn background_color_option_none() { + RsvgConvert::accepts_arg("--background-color=None"); +} + +#[test] +fn background_color_short_option() { + RsvgConvert::new_with_input("tests/fixtures/dpi.svg") + .arg("-b") + .arg("#aabbcc") + .assert() + .success(); +} + +#[test] +fn background_color_option_invalid_color_yields_error() { + RsvgConvert::new_with_input("tests/fixtures/dpi.svg") + .arg("--background-color=foobar") + .assert() + .failure() + .stderr(contains("Invalid").and(contains("color"))); +} + +#[test] +fn background_color_is_rendered() { + RsvgConvert::new_with_input("tests/fixtures/gimp-wilber.svg") + .arg("--background-color=purple") + .assert() + .success() + .stdout(file::is_png().with_contents("tests/fixtures/gimp-wilber-ref.png")); +} + +#[test] +fn stylesheet_option() { + RsvgConvert::new_with_input("tests/fixtures/dpi.svg") + .arg("--stylesheet=tests/fixtures/empty.svg") + .assert() + .success(); +} + +#[test] +fn stylesheet_short_option() { + RsvgConvert::new_with_input("tests/fixtures/dpi.svg") + .arg("-s") + .arg("tests/fixtures/empty.svg") + .assert() + .success(); +} + +#[test] +fn stylesheet_option_error() { + RsvgConvert::new_with_input("tests/fixtures/dpi.svg") + .arg("--stylesheet=foobar") + .assert() + .failure() + .stderr(starts_with("Error reading stylesheet")); +} + +#[test] +fn export_id_option() { + RsvgConvert::new_with_input("tests/fixtures/geometry-element.svg") + .arg("--export-id=foo") + .assert() + .success() + .stdout(file::is_png().with_size(40, 50)); +} + +#[test] +fn export_id_with_zero_stroke_width() { + // https://gitlab.gnome.org/GNOME/librsvg/-/issues/601 + // + // This tests a bug that manifested itself easily with the --export-id option, but it + // is not a bug with the option itself. An object with stroke_width=0 was causing + // an extra point at the origin to be put in the bounding box, so the final image + // spanned the origin to the actual visible bounds of the rendered object. + // + // We can probably test this more cleanly once we have a render tree. + RsvgConvert::new_with_input("tests/fixtures/bug601-zero-stroke-width.svg") + .arg("--export-id=foo") + .assert() + .success() + .stdout( + file::is_png() + .with_contents("tests/fixtures/bug601-zero-stroke-width-render-only-foo.png"), + ); +} + +#[test] +fn export_id_short_option() { + RsvgConvert::new_with_input("tests/fixtures/dpi.svg") + .arg("-i") + .arg("two") + .assert() + .success() + .stdout(file::is_png().with_size(100, 200)); +} + +#[test] +fn export_id_with_hash_prefix() { + RsvgConvert::new_with_input("tests/fixtures/dpi.svg") + .arg("-i") + .arg("#two") + .assert() + .success() + .stdout(file::is_png().with_size(100, 200)); +} + +#[test] +fn export_id_option_error() { + RsvgConvert::new_with_input("tests/fixtures/dpi.svg") + .arg("--export-id=foobar") + .assert() + .failure() + .stderr(starts_with("File stdin does not have an object with id \"")); +} + +#[test] +fn unlimited_option() { + RsvgConvert::accepts_arg("--unlimited"); +} + +#[test] +fn unlimited_short_option() { + RsvgConvert::accepts_arg("-u"); +} + +#[test] +fn keep_aspect_ratio_option() { + let input = Path::new("tests/fixtures/dpi.svg"); + RsvgConvert::new_with_input(input) + .arg("--width=500") + .arg("--height=1000") + .assert() + .success() + .stdout(file::is_png().with_size(500, 1000)); + RsvgConvert::new_with_input(input) + .arg("--width=500") + .arg("--height=1000") + .arg("--keep-aspect-ratio") + .assert() + .success() + .stdout(file::is_png().with_size(250, 1000)); +} + +#[test] +fn keep_aspect_ratio_short_option() { + let input = Path::new("tests/fixtures/dpi.svg"); + RsvgConvert::new_with_input(input) + .arg("--width=1000") + .arg("--height=500") + .assert() + .success() + .stdout(file::is_png().with_size(1000, 500)); + RsvgConvert::new_with_input(input) + .arg("--width=1000") + .arg("--height=500") + .arg("-a") + .assert() + .success() + .stdout(file::is_png().with_size(125, 500)); +} + +#[test] +fn overflowing_size_is_detected() { + RsvgConvert::new_with_input("tests/fixtures/bug591-vbox-overflow.svg") + .assert() + .failure() + .stderr(starts_with( + "The resulting image would be larger than 32767 pixels", + )); +} + +#[test] +fn accept_language_given() { + RsvgConvert::new_with_input("tests/fixtures/accept-language.svg") + .arg("--accept-language=es-MX") + .assert() + .success() + .stdout(file::is_png().with_contents("tests/fixtures/accept-language-es.png")); + + RsvgConvert::new_with_input("tests/fixtures/accept-language.svg") + .arg("--accept-language=de") + .assert() + .success() + .stdout(file::is_png().with_contents("tests/fixtures/accept-language-de.png")); +} + +#[test] +fn accept_language_fallback() { + RsvgConvert::new_with_input("tests/fixtures/accept-language.svg") + .arg("--accept-language=fr") + .assert() + .success() + .stdout(file::is_png().with_contents("tests/fixtures/accept-language-fallback.png")); +} + +#[test] +fn accept_language_invalid_tag() { + // underscores are not valid in BCP47 language tags + RsvgConvert::new_with_input("tests/fixtures/accept-language.svg") + .arg("--accept-language=foo_bar") + .assert() + .failure() + .stderr(contains("invalid language tag")); +} + +#[test] +fn keep_image_data_option() { + RsvgConvert::accepts_arg("--keep-image-data"); +} + +#[test] +fn no_keep_image_data_option() { + RsvgConvert::accepts_arg("--no-keep-image-data"); +} + +fn is_version_output() -> AndPredicate<StartsWithPredicate, TrimPredicate<EndsWithPredicate>, str> { + starts_with("rsvg-convert version ") + .and(predicates::str::ends_with(env!("CARGO_PKG_VERSION")).trim()) +} + +#[test] +fn version_option() { + RsvgConvert::option_yields_output("--version", is_version_output()) +} + +#[test] +fn version_short_option() { + RsvgConvert::option_yields_output("-v", is_version_output()) +} + +fn is_usage_output() -> OrPredicate<ContainsPredicate, ContainsPredicate, str> { + contains("Usage:").or(contains("USAGE:")) +} + +#[test] +fn help_option() { + RsvgConvert::option_yields_output("--help", is_usage_output()) +} + +#[test] +fn help_short_option() { + RsvgConvert::option_yields_output("-?", is_usage_output()) +} |
