Merge pull request #214 from Belphemur/copilot/avoid-runnning-big-file-test

chore: remove Git LFS large-file test and fixture

.gitattributes

@@ -1 +0,0 @@
-testdata/large/*.cbz filter=lfs diff=lfs merge=lfs -text

.github/copilot-instructions.md

@@ -95,15 +95,6 @@ go test -v ./pkg/converter/...
 go test -v ./internal/utils/...
 ```
 
-A large-file integration test (`TestOptimizeIntegration_LargeFile`) exercises the
-optimize pipeline against a ~1GB CBZ fixture stored via Git LFS
-(`testdata/large/large_chapter.cbz`, tracked in `.gitattributes`). It is skipped
-by default; fetch the fixture with `git lfs pull` and opt in with:
-
-```bash
-CBZ_RUN_LARGE_FILE_TEST=1 go test -v ./internal/utils/... -run TestOptimizeIntegration_LargeFile
-```
-
 ### Linting
 
 ```bash

.gitignore

@@ -11,6 +11,10 @@
 # Test binary, built with `go test -c`
 *.test
 
+# Build artifacts
+/cbzoptimizer
+/encoder-setup
+
 test/
 
 # Output of the go coverage tool, specifically when used with LiteIDE

go.mod

@@ -13,7 +13,7 @@ require (
 	github.com/spf13/viper v1.21.0
 	github.com/stretchr/testify v1.11.1
 	github.com/thediveo/enumflag/v2 v2.2.1
-	golang.org/x/image v0.43.0
+	golang.org/x/image v0.44.0
 )
 
 require (
@@ -50,7 +50,7 @@ require (
 	go4.org v0.0.0-20230225012048-214862532bf5 // indirect
 	golang.org/x/net v0.56.0 // indirect
 	golang.org/x/sys v0.46.0 // indirect
-	golang.org/x/text v0.38.0 // indirect
-	golang.org/x/tools v0.46.0 // indirect
+	golang.org/x/text v0.40.0 // indirect
+	golang.org/x/tools v0.47.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

go.sum

@@ -217,6 +217,8 @@ golang.org/x/image v0.0.0-20190227222117-0694c2d4d067/go.mod h1:kZ7UVZpmo3dzQBMx
 golang.org/x/image v0.0.0-20190802002840-cff245a6509b/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
 golang.org/x/image v0.43.0 h1:FLxcP4ec2350nTfOC8ysKtqYSIFbk/QGjw1ZHNP4tsY=
 golang.org/x/image v0.43.0/go.mod h1:rrpelvGFt+kLPAjPM4HeWPgrl0FtafueU//e5N0qk/Q=
+golang.org/x/image v0.44.0 h1:+tDekMZED9+LrtB3G5xzRggpVh9CARjZqROla3R3R+I=
+golang.org/x/image v0.44.0/go.mod h1:V8K3KE9KKKE+pLpQDOeN18w9oacNSvy1tDOirTu4xtY=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvxsM5YxQ5yQlVC4a0KAMCusXpPoU=
 golang.org/x/lint v0.0.0-20190301231843-5614ed5bae6f/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
@@ -299,6 +301,8 @@ golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/text v0.38.0 h1:sXmwo9DwP3OK9EZ7PqAdaooSGozfl/3a6/xJcbzPRhE=
 golang.org/x/text v0.38.0/go.mod h1:YXZt3QhHUKYT53r2lLKFIVi6Ao1jdzrTR/KQ09qyxF4=
+golang.org/x/text v0.40.0 h1:Ub2Z6/xjgF1WrYQz2nuITOEegKFtiIy+rieRJ5lHZKs=
+golang.org/x/text v0.40.0/go.mod h1:hpnzDAfGV753zIKo+wk3u1bVKCGPbrnF7+7LBF/UHVY=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20190308202827-9d24e82272b4/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
@@ -328,6 +332,7 @@ golang.org/x/tools v0.0.0-20200212150539-ea181f53ac56/go.mod h1:TB2adYChydJhpapK
 golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
 golang.org/x/tools v0.46.0 h1:7jTurBkPZu4moS/Uy4OQT1M+QBlsj3wejyZwsT8Z7rk=
 golang.org/x/tools v0.46.0/go.mod h1:FrD85F8l+NWL+9XWBSyVSHO6Ne4jutsfIFba7AWQ5Ys=
+golang.org/x/tools v0.47.0/go.mod h1:dFHnyTvFWY212G+h7ZY4Vsp/K3U4/7W9TyVaAul8uCA=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=

internal/utils/optimize_integration_test.go

@@ -51,13 +51,6 @@ func TestOptimizeIntegration(t *testing.T) {
 		if err != nil {
 			return err
 		}
-		// Skip the "large" fixtures directory: it holds the Git LFS-tracked
-		// fixture used exclusively by TestOptimizeIntegration_LargeFile,
-		// which may only be a small LFS pointer file if the content wasn't
-		// fetched, and shouldn't be exercised by this generic test.
-		if info.IsDir() && filepath.Base(path) == "large" {
-			return filepath.SkipDir
-		}
 		if !info.IsDir() {
 			fileName := strings.ToLower(info.Name())
 			if (strings.HasSuffix(fileName, ".cbz") || strings.HasSuffix(fileName, ".cbr")) && !strings.Contains(fileName, "converted") {

internal/utils/optimize_large_file_integration_test.go

@@ -1,121 +0,0 @@
-package utils
-
-import (
-	"fmt"
-	"io"
-	"os"
-	"path/filepath"
-	"runtime"
-	"strings"
-	"testing"
-
-	"github.com/belphemur/CBZOptimizer/v2/internal/utils/errs"
-	"github.com/belphemur/CBZOptimizer/v2/pkg/converter"
-	"github.com/belphemur/CBZOptimizer/v2/pkg/converter/constant"
-	"github.com/rs/zerolog/log"
-)
-
-// largeTestFile is a ~1GB synthetic CBZ fixture stored via Git LFS (see
-// .gitattributes). It is used to exercise the optimize pipeline with a
-// chapter large enough to make in-memory-only handling impractical, and to
-// validate that converted pages are streamed to/from a staging temp folder
-// (see manga.Page.TempFilePath / manga.Chapter.TempDir) instead of blowing
-// up memory usage.
-const largeTestFile = "../../testdata/large/large_chapter.cbz"
-
-// TestOptimizeIntegration_LargeFile is opt-in (set CBZ_RUN_LARGE_FILE_TEST=1)
-// since it processes a ~1GB fixture and can take a while to run. It is
-// automatically skipped if the fixture is unavailable (e.g. Git LFS content
-// wasn't fetched, leaving only a pointer file) or in short mode.
-func TestOptimizeIntegration_LargeFile(t *testing.T) {
-	if testing.Short() {
-		t.Skip("Skipping large file integration test in short mode")
-	}
-	if os.Getenv("CBZ_RUN_LARGE_FILE_TEST") == "" {
-		t.Skip("Skipping large file integration test; set CBZ_RUN_LARGE_FILE_TEST=1 to run it")
-	}
-
-	info, err := os.Stat(largeTestFile)
-	if err != nil {
-		t.Skipf("large test fixture not found: %v", err)
-	}
-	// If Git LFS content wasn't fetched (e.g. `actions/checkout` without
-	// `lfs: true`), the file on disk is just a small pointer text file
-	// rather than the real ~1GB fixture. Detect and skip gracefully instead
-	// of failing the whole suite.
-	const minExpectedSize = 500 * 1024 * 1024 // 500MB
-	if info.Size() < minExpectedSize {
-		t.Skipf("large test fixture looks like a Git LFS pointer (size=%d), skipping; run `git lfs pull`", info.Size())
-	}
-
-	tempDir, err := os.MkdirTemp("", "test_optimize_large_file")
-	if err != nil {
-		t.Fatal(err)
-	}
-	defer errs.CaptureGeneric(&err, os.RemoveAll, tempDir, "failed to remove temporary directory")
-
-	converterInstance, err := converter.Get(constant.WebP)
-	if err != nil {
-		t.Skip("WebP converter not available, skipping large file integration test")
-	}
-	if err := converterInstance.PrepareConverter(); err != nil {
-		t.Skip("Failed to prepare WebP converter, skipping large file integration test")
-	}
-
-	cbzFile := filepath.Join(tempDir, "large_chapter.cbz")
-	if err := copyFile(largeTestFile, cbzFile); err != nil {
-		t.Fatal(err)
-	}
-
-	var memBefore, memAfter runtime.MemStats
-	runtime.GC()
-	runtime.ReadMemStats(&memBefore)
-
-	options := &OptimizeOptions{
-		ChapterConverter: converterInstance,
-		Path:             cbzFile,
-		Quality:          85,
-		Override:         false,
-		Split:            true,
-	}
-
-	err = Optimize(options)
-	if err != nil {
-		t.Fatalf("failed to optimize large chapter: %v", err)
-	}
-
-	runtime.GC()
-	runtime.ReadMemStats(&memAfter)
-	log.Info().
-		Uint64("heap_alloc_before", memBefore.HeapAlloc).
-		Uint64("heap_alloc_after", memAfter.HeapAlloc).
-		Int64("input_size", info.Size()).
-		Msg("Large file integration test memory usage")
-
-	outputFile := strings.TrimSuffix(cbzFile, ".cbz") + "_converted.cbz"
-	if _, err := os.Stat(outputFile); err != nil {
-		t.Fatalf("expected converted output file %s to exist: %v", outputFile, err)
-	}
-}
-
-// copyFile copies src to dst using streaming file I/O so that the whole
-// file content is never held in memory at once, which matters for the
-// large fixture used by this test.
-func copyFile(src, dst string) (err error) {
-	in, err := os.Open(src)
-	if err != nil {
-		return fmt.Errorf("failed to open source file: %w", err)
-	}
-	defer errs.Capture(&err, in.Close, "failed to close source file")
-
-	out, err := os.Create(dst)
-	if err != nil {
-		return fmt.Errorf("failed to create destination file: %w", err)
-	}
-	defer errs.Capture(&err, out.Close, "failed to close destination file")
-
-	if _, err := io.Copy(out, in); err != nil {
-		return fmt.Errorf("failed to copy file contents: %w", err)
-	}
-	return nil
-}

testdata/large/large_chapter.cbz

@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:8880c8909521c3716a339a39a29a4bf1114921a8b4651ff8ca04da7ce3a54b6a
-size 1001668690