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120 lines
2.2 KiB
120 lines
2.2 KiB
package bimg
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import (
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"io/ioutil"
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"os"
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"path"
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"testing"
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)
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func TestVipsRead(t *testing.T) {
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files := []struct {
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name string
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expected ImageType
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}{
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{"test.jpg", JPEG},
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{"test.png", PNG},
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{"test.webp", WEBP},
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}
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for _, file := range files {
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image, imageType, _ := vipsRead(readImage(file.name))
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if image == nil {
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t.Fatal("Empty image")
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}
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if imageType != file.expected {
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t.Fatal("Invalid image type")
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}
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}
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}
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func TestVipsSave(t *testing.T) {
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image, _, _ := vipsRead(readImage("test.jpg"))
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options := vipsSaveOptions{Quality: 95, Type: JPEG}
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buf, err := vipsSave(image, options)
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if err != nil {
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t.Fatal("Cannot save the image")
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}
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if len(buf) == 0 {
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t.Fatal("Empty image")
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}
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}
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func TestVipsRotate(t *testing.T) {
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image, _, _ := vipsRead(readImage("test.jpg"))
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newImg, err := vipsRotate(image, D90)
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if err != nil {
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t.Fatal("Cannot save the image")
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}
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buf, _ := vipsSave(newImg, vipsSaveOptions{Quality: 95})
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if len(buf) == 0 {
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t.Fatal("Empty image")
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}
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}
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func TestVipsZoom(t *testing.T) {
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image, _, _ := vipsRead(readImage("test.jpg"))
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newImg, err := vipsRotate(image, D90)
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if err != nil {
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t.Fatal("Cannot save the image")
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}
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buf, _ := vipsSave(newImg, vipsSaveOptions{Quality: 95})
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if len(buf) == 0 {
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t.Fatal("Empty image")
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}
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}
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func TestVipsWatermark(t *testing.T) {
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image, _, _ := vipsRead(readImage("test.jpg"))
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watermark := Watermark{
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Text: "Copy me if you can",
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Font: "sans bold 12",
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Opacity: 0.5,
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Width: 200,
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DPI: 100,
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Margin: 100,
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Background: Color{255, 255, 255},
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}
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newImg, err := vipsWatermark(image, watermark)
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if err != nil {
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t.Errorf("Cannot add watermark: %s", err)
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}
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buf, _ := vipsSave(newImg, vipsSaveOptions{Quality: 95})
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if len(buf) == 0 {
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t.Fatal("Empty image")
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}
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}
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func TestVipsImageType(t *testing.T) {
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imgType := vipsImageType(readImage("test.jpg"))
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if imgType != JPEG {
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t.Fatal("Invalid image type")
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}
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}
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func TestVipsMemory(t *testing.T) {
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mem := VipsMemory()
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if mem.Memory < 1024 {
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t.Fatal("Invalid memory")
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}
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if mem.Allocations == 0 {
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t.Fatal("Invalid memory allocations")
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}
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}
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func readImage(file string) []byte {
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img, _ := os.Open(path.Join("fixtures", file))
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buf, _ := ioutil.ReadAll(img)
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defer img.Close()
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return buf
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}
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