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update media processing (#244)

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tobi 2021-09-23 11:13:11 +02:00 • committed by GitHub
commit ddfd83d0fb
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8 changed files with 63 additions and 81 deletions
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63
internal/media/util_test.go
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@ -23,7 +23,6 @@ import (
"testing"
"github.com/sirupsen/logrus"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/suite"
)
@ -64,82 +63,82 @@ func (suite *MediaUtilTestSuite) TearDownTest() {
func (suite *MediaUtilTestSuite) TestParseContentTypeOK() {
f, err := ioutil.ReadFile("./test/test-jpeg.jpg")
assert.Nil(suite.T(), err)
suite.NoError(err)
ct, err := parseContentType(f)
assert.Nil(suite.T(), err)
assert.Equal(suite.T(), "image/jpeg", ct)
suite.NoError(err)
suite.Equal("image/jpeg", ct)
}
func (suite *MediaUtilTestSuite) TestParseContentTypeNotOK() {
f, err := ioutil.ReadFile("./test/test-corrupted.jpg")
assert.Nil(suite.T(), err)
suite.NoError(err)
ct, err := parseContentType(f)
assert.NotNil(suite.T(), err)
assert.Equal(suite.T(), "", ct)
assert.Equal(suite.T(), "filetype unknown", err.Error())
suite.NotNil(err)
suite.Equal("", ct)
suite.Equal("filetype unknown", err.Error())
}
func (suite *MediaUtilTestSuite) TestRemoveEXIF() {
// load and validate image
b, err := ioutil.ReadFile("./test/test-with-exif.jpg")
assert.Nil(suite.T(), err)
suite.NoError(err)
// clean it up and validate the clean version
clean, err := purgeExif(b)
assert.Nil(suite.T(), err)
suite.NoError(err)
// compare it to our stored sample
sampleBytes, err := ioutil.ReadFile("./test/test-without-exif.jpg")
assert.Nil(suite.T(), err)
assert.EqualValues(suite.T(), sampleBytes, clean)
suite.NoError(err)
suite.EqualValues(sampleBytes, clean)
}
func (suite *MediaUtilTestSuite) TestDeriveImageFromJPEG() {
// load image
b, err := ioutil.ReadFile("./test/test-jpeg.jpg")
assert.Nil(suite.T(), err)
suite.NoError(err)
// clean it up and validate the clean version
imageAndMeta, err := deriveImage(b, "image/jpeg")
assert.Nil(suite.T(), err)
suite.NoError(err)
assert.Equal(suite.T(), 1920, imageAndMeta.width)
assert.Equal(suite.T(), 1080, imageAndMeta.height)
assert.Equal(suite.T(), 1.7777777777777777, imageAndMeta.aspect)
assert.Equal(suite.T(), 2073600, imageAndMeta.size)
assert.Equal(suite.T(), "LjCZnlvyRkRn_NvzRjWF?urqV@f9", imageAndMeta.blurhash)
suite.Equal(1920, imageAndMeta.width)
suite.Equal(1080, imageAndMeta.height)
suite.Equal(1.7777777777777777, imageAndMeta.aspect)
suite.Equal(2073600, imageAndMeta.size)
// assert that the final image is what we would expect
sampleBytes, err := ioutil.ReadFile("./test/test-jpeg-processed.jpg")
assert.Nil(suite.T(), err)
assert.EqualValues(suite.T(), sampleBytes, imageAndMeta.image)
suite.NoError(err)
suite.EqualValues(sampleBytes, imageAndMeta.image)
}
func (suite *MediaUtilTestSuite) TestDeriveThumbnailFromJPEG() {
// load image
b, err := ioutil.ReadFile("./test/test-jpeg.jpg")
assert.Nil(suite.T(), err)
suite.NoError(err)
// clean it up and validate the clean version
imageAndMeta, err := deriveThumbnail(b, "image/jpeg", 256, 256)
assert.Nil(suite.T(), err)
imageAndMeta, err := deriveThumbnail(b, "image/jpeg", 512, 512)
suite.NoError(err)
assert.Equal(suite.T(), 256, imageAndMeta.width)
assert.Equal(suite.T(), 144, imageAndMeta.height)
assert.Equal(suite.T(), 1.7777777777777777, imageAndMeta.aspect)
assert.Equal(suite.T(), 36864, imageAndMeta.size)
suite.Equal(512, imageAndMeta.width)
suite.Equal(288, imageAndMeta.height)
suite.Equal(1.7777777777777777, imageAndMeta.aspect)
suite.Equal(147456, imageAndMeta.size)
suite.Equal("LjBzUo#6RQR._NvzRjWF?urqV@a$", imageAndMeta.blurhash)
sampleBytes, err := ioutil.ReadFile("./test/test-jpeg-thumbnail.jpg")
assert.Nil(suite.T(), err)
assert.EqualValues(suite.T(), sampleBytes, imageAndMeta.image)
suite.NoError(err)
suite.EqualValues(sampleBytes, imageAndMeta.image)
}
func (suite *MediaUtilTestSuite) TestSupportedImageTypes() {
ok := SupportedImageType("image/jpeg")
assert.True(suite.T(), ok)
suite.True(ok)
ok = SupportedImageType("image/bmp")
assert.False(suite.T(), ok)
suite.False(ok)
}
func TestMediaUtilTestSuite(t *testing.T) {