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# frozen_string_literal: true
require "fast_spec_helper"
require "rspec/parameterized"
RSpec.describe Gitlab::Utils::MimeType do
describe ".from_io" do
subject { described_class.from_io(io) }
context "input isn't an IO" do
let(:io) { "test" }
it "returns nil" do
expect(subject).to be_nil
end
end
context "input is a file" do
using RSpec::Parameterized::TableSyntax
where(:fixture, :mime_type) do
"banana_sample.gif" | "image/gif"
"rails_sample.jpg" | "image/jpeg"
"rails_sample.png" | "image/png"
"rails_sample.bmp" | "image/bmp"
"rails_sample.tif" | "image/tiff"
"sample.ico" | "image/vnd.microsoft.icon"
"blockquote_fence_before.md" | "text/plain"
"csv_empty.csv" | "application/x-empty"
end
with_them do
let(:io) { File.open(File.join(__dir__, "../../../fixtures", fixture)) }
it { is_expected.to eq(mime_type) }
end
end
end
describe ".from_string" do
subject { described_class.from_string(str) }
context "input isn't a string" do
let(:str) { nil }
it "returns nil" do
expect(subject).to be_nil
end
end
context "input is a string" do
let(:str) { "plain text" }
it { is_expected.to eq('text/plain') }
end
end
end
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