unipdf/internal/jbig2/tests/bench_test.go
2019-07-16 15:40:22 +00:00

52 lines
1.5 KiB
Go

/*
* This file is subject to the terms and conditions defined in
* file 'LICENSE.md', which is part of this source code package.
*/
package tests
import (
"fmt"
"os"
"testing"
"github.com/stretchr/testify/require"
"github.com/unidoc/unipdf/v3/internal/jbig2"
)
// BenchmarkDecodeJBIG2Files benchmarks the decoding process of jbig2 encoded images stored within pdf files.
// The function reads pdf files located in the directory provided as `UNIDOC_JBIG2_TESTDATA` environmental variable.
// Then the function extracts the images and starts subBenchmarks for each image.
func BenchmarkDecodeJBIG2Files(b *testing.B) {
b.Helper()
dirName := os.Getenv(EnvDirectory)
require.NotEmpty(b, dirName, "No Environment variable 'UNIDOC_JBIG2_TESTDATA' found")
filenames, err := readFileNames(dirName)
require.NoError(b, err)
require.NotEmpty(b, filenames, "no files found within provided directory")
for _, filename := range filenames {
b.Run(rawFileName(filename), func(b *testing.B) {
images, err := extractImages(dirName, filename)
require.NoError(b, err)
for _, image := range images {
b.Run(fmt.Sprintf("Page#%d/Image#%d-%d", image.pageNo, image.idx, len(image.jbig2Data)), func(b *testing.B) {
for n := 0; n < b.N; n++ {
d, err := jbig2.NewDocumentWithGlobals(image.jbig2Data, image.globals)
require.NoError(b, err)
p, err := d.GetPage(1)
require.NoError(b, err)
_, err = p.GetBitmap()
require.NoError(b, err)
}
})
}
})
}
}