func (s *ResizeSuite) TestResizeImageSquare(c *C) {
file, err := ioutil.ReadFile("test/awesome.jpeg")
c.Assert(err, IsNil)
for width, _ := range sizes {
ctx := &fetch.CacheContext{
Width: width,
Crop: true,
}
buf := bytes.NewReader(file)
resized, err := fetch.Resize(buf, ctx)
c.Check(err, IsNil)
image, _, err := image.Decode(resized)
c.Check(err, IsNil)
if width > 768 {
width = 768
}
c.Check(image.Bounds().Size().X, Equals, width)
c.Check(image.Bounds().Size().Y, Equals, width)
}
}
func (s *ResizeSuite) TestResizeImage(c *C) {
file, err := ioutil.ReadFile("test/exif_test_img.jpg")
c.Assert(err, IsNil)
for width, height := range sizes {
ctx := &fetch.CacheContext{
Width: width,
}
data := bytes.NewBuffer(file)
orig, _, err := fetch.GetRotatedImage(data)
c.Check(err, IsNil)
buf := new(bytes.Buffer)
jpeg.Encode(buf, orig, nil)
resized, err := fetch.Resize(buf, ctx)
c.Check(err, IsNil)
image, _, err := image.Decode(resized)
c.Check(err, IsNil)
c.Check(image.Bounds().Size().X, Equals, width)
c.Check(image.Bounds().Size().Y, Equals, height)
}
}
func (s *ResizeSuite) BenchmarkLargeResize(c *C) {
file, err := ioutil.ReadFile("test/awesome.jpeg")
c.Assert(err, IsNil)
ctx := &fetch.CacheContext{
Width: 720,
}
for i := 0; i < c.N; i++ {
// Need a new io.Reader on every iteration
buf := bytes.NewReader(file)
_, err := fetch.Resize(buf, ctx)
c.Check(err, IsNil)
}
}
func (s *ResizeSuite) TestCropNoResize(c *C) {
file, err := ioutil.ReadFile("test/awesome-small.jpg")
c.Assert(err, IsNil)
ctx := &fetch.CacheContext{
Width: 0,
Crop: true,
}
buf := bytes.NewReader(file)
resized, err := fetch.Resize(buf, ctx)
c.Check(err, IsNil)
image, _, err := image.Decode(resized)
c.Check(err, IsNil)
c.Check(image.Bounds().Size().X, Equals, 150)
c.Check(image.Bounds().Size().Y, Equals, 150)
}
func (s *ResizeSuite) TestResizeNoExifImage(c *C) {
file, err := ioutil.ReadFile("test/AWESOME.jpg")
c.Assert(err, IsNil)
for width, height := range noExifSizes {
ctx := &fetch.CacheContext{
Width: width,
}
buf := bytes.NewReader(file)
resized, err := fetch.Resize(buf, ctx)
c.Check(err, IsNil)
image, _, err := image.Decode(resized)
c.Check(err, IsNil)
c.Check(image.Bounds().Size().X, Equals, width)
c.Check(image.Bounds().Size().Y, Equals, height)
}
}