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The new package internal/imageproxy holds Proxy, which was imgcache.Service, with its Config, ImageResponse, CacheStatus and errors. imageproxy.New makes and registers the counters of upstream fetches and transforms. internal/imgcache holds the cache only, with its hit and miss counters, and imgcache.CacheConfig is imgcache.Config. The cache reads and writes each kind it keeps with one pair of methods: Variant and PutVariant, Source and PutSource, Failure and PutFailure. Source replaces LookupSource followed by GetSourceContent. imgcache.go and module.go are gone. The proxy's tests moved with it. The cache's tests check that the reconciliation pass removes an empty or cut file and its row. The proxy's tests remove them by hand, then check that Get fetches or converts again. Model: opus-5-5
38 lines
728 B
Go
38 lines
728 B
Go
package imgcache
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import (
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"bytes"
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"image"
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"image/color"
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"image/jpeg"
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"testing"
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)
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// Shared test data literals, extracted as constants for goconst.
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const (
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testHostCDN = "cdn.example.com"
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testHostExample = "example.com"
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testPathCat = "/photos/cat.jpg"
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)
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// generateTestJPEG creates a minimal valid JPEG image.
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func generateTestJPEG(t *testing.T, width, height int, c color.Color) []byte {
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t.Helper()
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img := image.NewRGBA(image.Rect(0, 0, width, height))
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for y := range height {
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for x := range width {
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img.Set(x, y, c)
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}
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}
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var buf bytes.Buffer
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err := jpeg.Encode(&buf, img, &jpeg.Options{Quality: 85})
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if err != nil {
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t.Fatalf("failed to encode test JPEG: %v", err)
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}
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return buf.Bytes()
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}
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