GoToSocial/internal/media/util_test.go

148 lines
4.3 KiB
Go

/*
GoToSocial
Copyright (C) 2021 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/sirupsen/logrus"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/suite"
)
type MediaUtilTestSuite struct {
suite.Suite
log *logrus.Logger
}
/*
TEST INFRASTRUCTURE
*/
// SetupSuite sets some variables on the suite that we can use as consts (more or less) throughout
func (suite *MediaUtilTestSuite) SetupSuite() {
// some of our subsequent entities need a log so create this here
log := logrus.New()
log.SetLevel(logrus.TraceLevel)
suite.log = log
}
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")
assert.Nil(suite.T(), err)
ct, err := parseContentType(f)
assert.Nil(suite.T(), err)
assert.Equal(suite.T(), "image/jpeg", ct)
}
func (suite *MediaUtilTestSuite) TestParseContentTypeNotOK() {
f, err := ioutil.ReadFile("./test/test-corrupted.jpg")
assert.Nil(suite.T(), err)
ct, err := parseContentType(f)
assert.NotNil(suite.T(), err)
assert.Equal(suite.T(), "", ct)
assert.Equal(suite.T(), "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)
// clean it up and validate the clean version
clean, err := purgeExif(b)
assert.Nil(suite.T(), 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)
}
func (suite *MediaUtilTestSuite) TestDeriveImageFromJPEG() {
// load image
b, err := ioutil.ReadFile("./test/test-jpeg.jpg")
assert.Nil(suite.T(), err)
// clean it up and validate the clean version
imageAndMeta, err := deriveImage(b, "image/jpeg")
assert.Nil(suite.T(), 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)
// 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)
}
func (suite *MediaUtilTestSuite) TestDeriveThumbnailFromJPEG() {
// load image
b, err := ioutil.ReadFile("./test/test-jpeg.jpg")
assert.Nil(suite.T(), err)
// clean it up and validate the clean version
imageAndMeta, err := deriveThumbnail(b, "image/jpeg", 256, 256)
assert.Nil(suite.T(), 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)
sampleBytes, err := ioutil.ReadFile("./test/test-jpeg-thumbnail.jpg")
assert.Nil(suite.T(), err)
assert.EqualValues(suite.T(), sampleBytes, imageAndMeta.image)
}
func (suite *MediaUtilTestSuite) TestSupportedImageTypes() {
ok := SupportedImageType("image/jpeg")
assert.True(suite.T(), ok)
ok = SupportedImageType("image/bmp")
assert.False(suite.T(), ok)
}
func TestMediaUtilTestSuite(t *testing.T) {
suite.Run(t, new(MediaUtilTestSuite))
}