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package httputils // import "github.com/docker/docker/api/server/httputils"
import (
"net/http"
"strings"
"testing"
)
// matchesContentType
func TestJsonContentType(t *testing.T) {
err := matchesContentType("application/json", "application/json")
if err != nil {
t.Error(err)
}
err = matchesContentType("application/json; charset=utf-8", "application/json")
if err != nil {
t.Error(err)
}
expected := "unsupported Content-Type header (dockerapplication/json): must be 'application/json'"
err = matchesContentType("dockerapplication/json", "application/json")
if err == nil || err.Error() != expected {
t.Errorf(`expected "%s", got "%v"`, expected, err)
}
expected = "malformed Content-Type header (foo;;;bar): mime: invalid media parameter"
err = matchesContentType("foo;;;bar", "application/json")
if err == nil || err.Error() != expected {
t.Errorf(`expected "%s", got "%v"`, expected, err)
}
}
func TestReadJSON(t *testing.T) {
t.Run("nil body", func(t *testing.T) {
req, err := http.NewRequest(http.MethodPost, "https://example.com/some/path", nil)
if err != nil {
t.Error(err)
}
foo := struct{}{}
err = ReadJSON(req, &foo)
if err != nil {
t.Error(err)
}
})
t.Run("empty body", func(t *testing.T) {
req, err := http.NewRequest(http.MethodPost, "https://example.com/some/path", strings.NewReader(""))
if err != nil {
t.Error(err)
}
foo := struct{ SomeField string }{}
err = ReadJSON(req, &foo)
if err != nil {
t.Error(err)
}
if foo.SomeField != "" {
t.Errorf("expected: '', got: %s", foo.SomeField)
}
})
t.Run("with valid request", func(t *testing.T) {
req, err := http.NewRequest(http.MethodPost, "https://example.com/some/path", strings.NewReader(`{"SomeField":"some value"}`))
if err != nil {
t.Error(err)
}
req.Header.Set("Content-Type", "application/json")
foo := struct{ SomeField string }{}
err = ReadJSON(req, &foo)
if err != nil {
t.Error(err)
}
if foo.SomeField != "some value" {
t.Errorf("expected: 'some value', got: %s", foo.SomeField)
}
})
t.Run("with whitespace", func(t *testing.T) {
req, err := http.NewRequest(http.MethodPost, "https://example.com/some/path", strings.NewReader(`
{"SomeField":"some value"}
`))
if err != nil {
t.Error(err)
}
req.Header.Set("Content-Type", "application/json")
foo := struct{ SomeField string }{}
err = ReadJSON(req, &foo)
if err != nil {
t.Error(err)
}
if foo.SomeField != "some value" {
t.Errorf("expected: 'some value', got: %s", foo.SomeField)
}
})
t.Run("with extra content", func(t *testing.T) {
req, err := http.NewRequest(http.MethodPost, "https://example.com/some/path", strings.NewReader(`{"SomeField":"some value"} and more content`))
if err != nil {
t.Error(err)
}
req.Header.Set("Content-Type", "application/json")
foo := struct{ SomeField string }{}
err = ReadJSON(req, &foo)
if err == nil {
t.Error("expected an error, got none")
}
expected := "unexpected content after JSON"
if err.Error() != expected {
t.Errorf("expected: '%s', got: %s", expected, err.Error())
}
})
t.Run("invalid JSON", func(t *testing.T) {
req, err := http.NewRequest(http.MethodPost, "https://example.com/some/path", strings.NewReader(`{invalid json`))
if err != nil {
t.Error(err)
}
req.Header.Set("Content-Type", "application/json")
foo := struct{ SomeField string }{}
err = ReadJSON(req, &foo)
if err == nil {
t.Error("expected an error, got none")
}
expected := "invalid JSON: invalid character 'i' looking for beginning of object key string"
if err.Error() != expected {
t.Errorf("expected: '%s', got: %s", expected, err.Error())
}
})
}
|
