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fix(#46): transform to proper image size

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This commit is contained in:
Tomas Aparicio 2015-07-11 19:45:10 +01:00
parent 1287087a44
commit 0bff28381f
6 changed files with 100 additions and 53 deletions
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40
resize_test.go
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@ -28,6 +28,46 @@ func TestResize(t *testing.T) {
Write("fixtures/test_out.jpg", newImg)
}
func TestResizeCustomSizes(t *testing.T) {
tests := []struct {
file string
format ImageType
options Options
}{
{"test.jpg", JPEG, Options{Width: 800, Height: 600}},
{"test.jpg", JPEG, Options{Width: 1000, Height: 1000}},
{"test.jpg", JPEG, Options{Width: 100, Height: 50}},
{"test.jpg", JPEG, Options{Width: 2000, Height: 2000}},
{"test.jpg", JPEG, Options{Width: 500, Height: 1000}},
{"test.jpg", JPEG, Options{Width: 500}},
{"test.jpg", JPEG, Options{Height: 500}},
{"test.jpg", JPEG, Options{Crop: true, Width: 500, Height: 1000}},
{"test.jpg", JPEG, Options{Crop: true, Enlarge: true, Width: 2000, Height: 1400}},
{"test.jpg", JPEG, Options{Enlarge: true, Force: true, Width: 2000, Height: 2000}},
{"test.jpg", JPEG, Options{Force: true, Width: 2000, Height: 2000}},
}
for _, test := range tests {
buf, _ := Read("fixtures/" + test.file)
image, err := Resize(buf, test.options)
if err != nil {
t.Errorf("Resize(imgData, %#v) error: %#v", test.options, err)
}
if DetermineImageType(image) != test.format {
t.Fatal("Image format is invalid. Expected: %s", test.format)
}
size, _ := Size(image)
if test.options.Height > 0 && size.Height != test.options.Height {
t.Fatalf("Invalid height: %d", size.Height)
}
if test.options.Width > 0 && size.Width != test.options.Width {
t.Fatalf("Invalid width: %d", size.Width)
}
}
}
func TestRotate(t *testing.T) {
options := Options{Width: 800, Height: 600, Rotate: 270}
buf, _ := Read("fixtures/test.jpg")