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refactor(resize)

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This commit is contained in:
Tomas Aparicio 2015-04-06 17:06:44 +02:00
parent cdade0c27f
commit 40dd19fa6a
8 changed files with 207 additions and 141 deletions
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48
resize_test.go
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@ -28,14 +28,16 @@ func TestResize(t *testing.T) {
t.Fatal("Image is not jpeg")
}
err = ioutil.WriteFile("result.jpg", newImg, 0644)
err = ioutil.WriteFile("fixtures/test_out.jpg", newImg, 0644)
if err != nil {
t.Fatal("Cannot save the image")
}
}
func TestConvert(t *testing.T) {
options := Options{Width: 640, Height: 480, Crop: true, Type: PNG}
width, height := 640, 480
options := Options{Width: width, Height: height, Crop: true, Type: PNG}
img, err := os.Open("fixtures/test.jpg")
if err != nil {
t.Fatal(err)
@ -56,7 +58,47 @@ func TestConvert(t *testing.T) {
t.Fatal("Image is not png")
}
err = ioutil.WriteFile("result.png", newImg, 0644)
size, _ := Size(newImg)
if size.Height != height || size.Width != width {
t.Fatal("Invalid image size")
}
err = ioutil.WriteFile("fixtures/test_out.png", newImg, 0644)
if err != nil {
t.Fatal("Cannot save the image")
}
}
func TestResizePngWithTransparency(t *testing.T) {
width, height := 300, 240
options := Options{Width: width, Height: height, Crop: true}
img, err := os.Open("fixtures/transparent.png")
if err != nil {
t.Fatal(err)
}
defer img.Close()
buf, err := ioutil.ReadAll(img)
if err != nil {
t.Fatal(err)
}
newImg, err := Resize(buf, options)
if err != nil {
t.Errorf("Resize(imgData, %#v) error: %#v", options, err)
}
if DetermineImageType(newImg) != PNG {
t.Fatal("Image is not png")
}
size, _ := Size(newImg)
if size.Height != height || size.Width != width {
t.Fatal("Invalid image size")
}
err = ioutil.WriteFile("fixtures/transparent_out.png", newImg, 0644)
if err != nil {
t.Fatal("Cannot save the image")
}