use fastest compression in integration tests

cmd/restic/cmd_backup_integration_test.go

@@ -13,6 +13,7 @@ import (
 	"github.com/restic/restic/internal/errors"
 	"github.com/restic/restic/internal/fs"
 	"github.com/restic/restic/internal/global"
+	"github.com/restic/restic/internal/repository"
 	"github.com/restic/restic/internal/restic"
 	rtest "github.com/restic/restic/internal/test"
 )
@@ -49,6 +50,9 @@ func testBackup(t *testing.T, useFsSnapshot bool) {
 	env, cleanup := withTestEnvironment(t)
 	defer cleanup()
 
+	// Use auto compression to ensure coverage in the integration tests
+	// All other tests use fastest compression for faster execution
+	env.gopts.Compression = repository.CompressionAuto
 	testSetupBackupData(t, env)
 	opts := BackupOptions{UseFsSnapshot: useFsSnapshot}
 

cmd/restic/integration_helpers_test.go

@@ -212,11 +212,12 @@ func withTestEnvironment(t testing.TB) (env *testEnvironment, cleanup func()) {
 	rtest.OK(t, os.MkdirAll(env.repo, 0700))
 
 	env.gopts = global.Options{
-		Repo:     env.repo,
-		Quiet:    true,
-		CacheDir: env.cache,
-		Password: rtest.TestPassword,
-		Extended: make(options.Options),
+		Repo:        env.repo,
+		Quiet:       true,
+		CacheDir:    env.cache,
+		Password:    rtest.TestPassword,
+		Extended:    make(options.Options),
+		Compression: repository.CompressionFastest,
 
 		// replace this hook with "nil" if listing a filetype more than once is necessary
 		BackendTestHook: func(r backend.Backend) (backend.Backend, error) { return newOrderedListOnceBackend(r), nil },