mirror of
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synced 2025-12-11 16:24:11 +01:00
59 lines
1.5 KiB
Go
59 lines
1.5 KiB
Go
package tensorflow
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import (
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"os"
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"path/filepath"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/wamuir/graft/tensorflow"
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)
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var defaultImageInput = &PhotoInput{
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Height: 224,
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Width: 224,
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Shape: DefaultPhotoInputShape(),
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}
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var examplesPath = filepath.Join(assetsPath, "examples")
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func TestConvertValue(t *testing.T) {
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result := convertValue(uint32(98765432), &Interval{Start: -1, End: 1})
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assert.Equal(t, float32(3024.8982), result)
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}
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func TestConvertStdMean(t *testing.T) {
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mean := float32(1.0 / 127.5)
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stdDev := float32(-1.0)
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result := convertValue(uint32(98765432), &Interval{Mean: &mean, StdDev: &stdDev})
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assert.Equal(t, float32(3024.8982), result)
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}
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func TestImageFromBytes(t *testing.T) {
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t.Run("CatJpeg", func(t *testing.T) {
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imageBuffer, err := os.ReadFile(filepath.Join(examplesPath, "cat_brown.jpg")) //nolint:gosec // reading bundled test fixture
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if err != nil {
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t.Fatal(err)
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}
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result, err := ImageFromBytes(imageBuffer, defaultImageInput, nil)
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if err != nil {
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t.Fatal(err)
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}
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assert.Equal(t, tensorflow.DataType(0x1), result.DataType())
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assert.Equal(t, int64(1), result.Shape()[0])
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assert.Equal(t, int64(224), result.Shape()[2])
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})
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t.Run("Document", func(t *testing.T) {
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imageBuffer, err := os.ReadFile(filepath.Join(examplesPath, "Random.docx")) //nolint:gosec // reading bundled test fixture
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assert.Nil(t, err)
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result, err := ImageFromBytes(imageBuffer, defaultImageInput, nil)
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assert.Empty(t, result)
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assert.EqualError(t, err, "image: unknown format")
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})
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}
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