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The new package internal/imageproxy holds Proxy, which was imgcache.Service, with its Config, ImageResponse, CacheStatus and errors. NewProxy 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. They reach the cache through its database, its state directory and its metrics registry, and run its reconciliation pass with a second cache, as pixad does at startup. 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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