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Files
imgproxy/integration/matrix_test.go
2025-10-03 17:30:09 +02:00

129 lines
3.3 KiB
Go

package integration
import (
"fmt"
"net/http"
"os"
"path"
"path/filepath"
"testing"
"github.com/imgproxy/imgproxy/v3/imagetype"
"github.com/imgproxy/imgproxy/v3/testutil"
"github.com/imgproxy/imgproxy/v3/vips"
"github.com/stretchr/testify/suite"
)
const (
// maximum Hamming distance between the source and destination hash
// NOTE: 2 here is because HEIC works a bit differently over the platforms, investigate
maxDistance = 2
)
// formats to test
var formats = []imagetype.Type{
imagetype.GIF,
imagetype.JPEG,
imagetype.HEIC,
imagetype.JXL,
imagetype.SVG,
imagetype.TIFF,
imagetype.WEBP,
imagetype.BMP,
imagetype.ICO,
}
type MatrixTestSuite struct {
Suite
matcher *testutil.ImageHashMatcher
testImagesPath string
}
func (s *MatrixTestSuite) SetupTest() {
s.testImagesPath = s.TestData.Path("test-images")
s.matcher = testutil.NewImageHashMatcher(s.TestData)
s.Config().Security.DefaultOptions.MaxAnimationFrames = 999
s.Config().Server.DevelopmentErrorsMode = true
s.Config().Fetcher.Transport.Local.Root = s.testImagesPath
}
// testLoadFolder fetches images iterates over images in the specified folder,
// runs imgproxy on each image, and compares the result with the reference image
// which is expected to be in the `integration` folder with the same name
// but with `.png` extension.
func (s *MatrixTestSuite) testFormat(source, target imagetype.Type) {
folder := source.String()
// TODO: rename the folders in test-images repo
if folder == "heic" {
folder = "heif"
}
if folder == "jpeg" {
folder = "jpg"
}
walkPath := path.Join(s.testImagesPath, folder)
// Iterate over the files in the source folder
err := filepath.Walk(walkPath, func(path string, info os.FileInfo, err error) error {
s.Require().NoError(err)
// Skip directories
if info.IsDir() {
return nil
}
// get the base name of the file (8-bpp.png)
baseName := filepath.Base(path)
// Construct the source URL for imgproxy (no processing)
sourceUrl := fmt.Sprintf("/insecure/plain/local:///%s/%s@%s", folder, baseName, target.String())
// Read source image from imgproxy
resp := s.GET(sourceUrl)
defer resp.Body.Close()
s.Require().Equal(http.StatusOK, resp.StatusCode, "expected status code 200 OK, got %d, url: %s", resp.StatusCode, sourceUrl)
// Match image to precalculated hash
s.matcher.ImageMatches(s.T(), resp.Body, baseName, maxDistance)
return nil
})
s.Require().NoError(err)
}
func (s *MatrixTestSuite) TestMatrix() {
for _, source := range formats {
for _, target := range formats {
s.Run(fmt.Sprintf("%s/%s", source.String(), target.String()), func() {
if !source.IsVector() && target.IsVector() {
// we can not vectorize a raster image
s.T().Logf("Skipping %s -> %s conversion: we can not vectorize raster image", source.String(), target.String())
return
}
if !vips.SupportsLoad(source) {
s.T().Logf("Skipping %s -> %s conversion: source format not supported by VIPS", source.String(), target.String())
return
}
if !vips.SupportsSave(target) {
s.T().Logf("Skipping %s -> %s conversion: target format not supported by VIPS", source.String(), target.String())
return
}
s.testFormat(source, target)
})
}
}
}
func TestMatrix(t *testing.T) {
suite.Run(t, new(MatrixTestSuite))
}