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gotosocial/internal/media/util_test.go

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Go

/*
GoToSocial
Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package media
import (
"io/ioutil"
"testing"
"github.com/spf13/viper"
"github.com/superseriousbusiness/gotosocial/internal/config"
"github.com/superseriousbusiness/gotosocial/internal/log"
"github.com/stretchr/testify/suite"
)
type MediaUtilTestSuite struct {
suite.Suite
}
/*
TEST INFRASTRUCTURE
*/
// SetupSuite sets some variables on the suite that we can use as consts (more or less) throughout
func (suite *MediaUtilTestSuite) SetupSuite() {
// doesn't use testrig.InitTestLog() helper to prevent import cycle
viper.Set(config.Keys.LogLevel, "trace")
err := log.Initialize()
if err != nil {
panic(err)
}
}
func (suite *MediaUtilTestSuite) TearDownSuite() {
}
// SetupTest creates a db connection and creates necessary tables before each test
func (suite *MediaUtilTestSuite) SetupTest() {
}
// TearDownTest drops tables to make sure there's no data in the db
func (suite *MediaUtilTestSuite) TearDownTest() {
}
/*
ACTUAL TESTS
*/
func (suite *MediaUtilTestSuite) TestParseContentTypeOK() {
f, err := ioutil.ReadFile("./test/test-jpeg.jpg")
suite.NoError(err)
ct, err := parseContentType(f)
suite.NoError(err)
suite.Equal("image/jpeg", ct)
}
func (suite *MediaUtilTestSuite) TestParseContentTypeNotOK() {
f, err := ioutil.ReadFile("./test/test-corrupted.jpg")
suite.NoError(err)
ct, err := parseContentType(f)
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")
suite.NoError(err)
// clean it up and validate the clean version
clean, err := purgeExif(b)
suite.NoError(err)
// compare it to our stored sample
sampleBytes, err := ioutil.ReadFile("./test/test-without-exif.jpg")
suite.NoError(err)
suite.EqualValues(sampleBytes, clean)
}
func (suite *MediaUtilTestSuite) TestDeriveImageFromJPEG() {
// load image
b, err := ioutil.ReadFile("./test/test-jpeg.jpg")
suite.NoError(err)
// clean it up and validate the clean version
imageAndMeta, err := deriveImage(b, "image/jpeg")
suite.NoError(err)
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")
suite.NoError(err)
suite.EqualValues(sampleBytes, imageAndMeta.image)
}
func (suite *MediaUtilTestSuite) TestDeriveThumbnailFromJPEG() {
// load image
b, err := ioutil.ReadFile("./test/test-jpeg.jpg")
suite.NoError(err)
// clean it up and validate the clean version
imageAndMeta, err := deriveThumbnail(b, "image/jpeg", 512, 512)
suite.NoError(err)
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")
suite.NoError(err)
suite.EqualValues(sampleBytes, imageAndMeta.image)
}
func (suite *MediaUtilTestSuite) TestSupportedImageTypes() {
ok := SupportedImageType("image/jpeg")
suite.True(ok)
ok = SupportedImageType("image/bmp")
suite.False(ok)
}
func TestMediaUtilTestSuite(t *testing.T) {
suite.Run(t, new(MediaUtilTestSuite))
}