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-rw-r--r--resources/resource.go6
-rw-r--r--resources/resource_test.go36
2 files changed, 41 insertions, 1 deletions
diff --git a/resources/resource.go b/resources/resource.go
index 8fade941a..19270307e 100644
--- a/resources/resource.go
+++ b/resources/resource.go
@@ -644,7 +644,7 @@ func (r *resourceHash) init(l hugio.ReadSeekCloserProvider) error {
return
}
defer f.Close()
- hash, size, err = helpers.MD5FromReaderFast(f)
+ hash, size, err = hashImage(f)
if err != nil {
initErr = fmt.Errorf("failed to calculate hash: %w", err)
return
@@ -655,3 +655,7 @@ func (r *resourceHash) init(l hugio.ReadSeekCloserProvider) error {
return initErr
}
+
+func hashImage(r io.ReadSeeker) (string, int64, error) {
+ return helpers.MD5FromReaderFast(r)
+}
diff --git a/resources/resource_test.go b/resources/resource_test.go
new file mode 100644
index 000000000..ccce8eff7
--- /dev/null
+++ b/resources/resource_test.go
@@ -0,0 +1,36 @@
+// Copyright 2024 The Hugo Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package resources
+
+import (
+ "os"
+ "testing"
+)
+
+func BenchmarkHashImage(b *testing.B) {
+ f, err := os.Open("testdata/sunset.jpg")
+ if err != nil {
+ b.Fatal(err)
+ }
+ defer f.Close()
+
+ b.ResetTimer()
+ for i := 0; i < b.N; i++ {
+ _, _, err := hashImage(f)
+ if err != nil {
+ b.Fatal(err)
+ }
+ f.Seek(0, 0)
+ }
+}