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package bimg
import (
"path"
"testing"
)
func TestImageResize(t *testing.T) {
buf, err := initImage("test.jpg").Resize(300, 240)
if err != nil {
t.Errorf("Cannot process the image: %#v", err)
}
Write("fixtures/test_resize_out.jpg", buf)
}
func TestImageExtract(t *testing.T) {
buf, err := initImage("test.jpg").Extract(100, 100, 300, 300)
if err != nil {
t.Errorf("Cannot process the image: %#v", err)
}
Write("fixtures/test_extract_out.jpg", buf)
}
func TestImageCrop(t *testing.T) {
buf, err := initImage("test.jpg").Crop(800, 600)
if err != nil {
t.Errorf("Cannot process the image: %#v", err)
}
Write("fixtures/test_crop_out.jpg", buf)
}
func TestImageFlip(t *testing.T) {
buf, err := initImage("test.jpg").Flip()
if err != nil {
t.Errorf("Cannot process the image: %#v", err)
}
Write("fixtures/test_flip_out.jpg", buf)
}
func TestImageRotate(t *testing.T) {
buf, err := initImage("test_flip_out.jpg").Rotate(90)
if err != nil {
t.Errorf("Cannot process the image: %#v", err)
}
Write("fixtures/test_image_rotate_out.jpg", buf)
}
func TestImageConvert(t *testing.T) {
buf, err := initImage("test.jpg").Convert(PNG)
if err != nil {
t.Errorf("Cannot process the image: %#v", err)
}
Write("fixtures/test_image_convert_out.png", buf)
}
func TestImageMetadata(t *testing.T) {
data, err := initImage("test.png").Metadata()
if err != nil {
t.Errorf("Cannot process the image: %#v", err)
}
if data.Alpha != true {
t.Fatal("Invalid alpha channel")
}
if data.Size.Width != 400 {
t.Fatal("Invalid width size")
}
if data.Type != "png" {
t.Fatal("Invalid image type")
}
}
func initImage(file string) *Image {
buf, _ := Read(path.Join("fixtures", file))
return NewImage(buf)
}