148 lines
4.3 KiB
Go
148 lines
4.3 KiB
Go
/*
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GoToSocial
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Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package media
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import (
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"io/ioutil"
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"testing"
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"github.com/sirupsen/logrus"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/suite"
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)
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type MediaUtilTestSuite struct {
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suite.Suite
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log *logrus.Logger
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}
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/*
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TEST INFRASTRUCTURE
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*/
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// SetupSuite sets some variables on the suite that we can use as consts (more or less) throughout
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func (suite *MediaUtilTestSuite) SetupSuite() {
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// some of our subsequent entities need a log so create this here
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log := logrus.New()
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log.SetLevel(logrus.TraceLevel)
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suite.log = log
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}
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func (suite *MediaUtilTestSuite) TearDownSuite() {
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}
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// SetupTest creates a db connection and creates necessary tables before each test
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func (suite *MediaUtilTestSuite) SetupTest() {
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}
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// TearDownTest drops tables to make sure there's no data in the db
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func (suite *MediaUtilTestSuite) TearDownTest() {
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}
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/*
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ACTUAL TESTS
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*/
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func (suite *MediaUtilTestSuite) TestParseContentTypeOK() {
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f, err := ioutil.ReadFile("./test/test-jpeg.jpg")
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assert.Nil(suite.T(), err)
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ct, err := parseContentType(f)
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assert.Nil(suite.T(), err)
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assert.Equal(suite.T(), "image/jpeg", ct)
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}
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func (suite *MediaUtilTestSuite) TestParseContentTypeNotOK() {
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f, err := ioutil.ReadFile("./test/test-corrupted.jpg")
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assert.Nil(suite.T(), err)
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ct, err := parseContentType(f)
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assert.NotNil(suite.T(), err)
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assert.Equal(suite.T(), "", ct)
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assert.Equal(suite.T(), "filetype unknown", err.Error())
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}
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func (suite *MediaUtilTestSuite) TestRemoveEXIF() {
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// load and validate image
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b, err := ioutil.ReadFile("./test/test-with-exif.jpg")
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assert.Nil(suite.T(), err)
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// clean it up and validate the clean version
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clean, err := purgeExif(b)
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assert.Nil(suite.T(), err)
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// compare it to our stored sample
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sampleBytes, err := ioutil.ReadFile("./test/test-without-exif.jpg")
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assert.Nil(suite.T(), err)
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assert.EqualValues(suite.T(), sampleBytes, clean)
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}
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func (suite *MediaUtilTestSuite) TestDeriveImageFromJPEG() {
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// load image
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b, err := ioutil.ReadFile("./test/test-jpeg.jpg")
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assert.Nil(suite.T(), err)
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// clean it up and validate the clean version
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imageAndMeta, err := deriveImage(b, "image/jpeg")
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assert.Nil(suite.T(), err)
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assert.Equal(suite.T(), 1920, imageAndMeta.width)
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assert.Equal(suite.T(), 1080, imageAndMeta.height)
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assert.Equal(suite.T(), 1.7777777777777777, imageAndMeta.aspect)
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assert.Equal(suite.T(), 2073600, imageAndMeta.size)
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assert.Equal(suite.T(), "LjCZnlvyRkRn_NvzRjWF?urqV@f9", imageAndMeta.blurhash)
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// assert that the final image is what we would expect
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sampleBytes, err := ioutil.ReadFile("./test/test-jpeg-processed.jpg")
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assert.Nil(suite.T(), err)
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assert.EqualValues(suite.T(), sampleBytes, imageAndMeta.image)
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}
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func (suite *MediaUtilTestSuite) TestDeriveThumbnailFromJPEG() {
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// load image
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b, err := ioutil.ReadFile("./test/test-jpeg.jpg")
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assert.Nil(suite.T(), err)
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// clean it up and validate the clean version
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imageAndMeta, err := deriveThumbnail(b, "image/jpeg", 256, 256)
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assert.Nil(suite.T(), err)
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assert.Equal(suite.T(), 256, imageAndMeta.width)
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assert.Equal(suite.T(), 144, imageAndMeta.height)
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assert.Equal(suite.T(), 1.7777777777777777, imageAndMeta.aspect)
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assert.Equal(suite.T(), 36864, imageAndMeta.size)
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sampleBytes, err := ioutil.ReadFile("./test/test-jpeg-thumbnail.jpg")
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assert.Nil(suite.T(), err)
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assert.EqualValues(suite.T(), sampleBytes, imageAndMeta.image)
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}
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func (suite *MediaUtilTestSuite) TestSupportedImageTypes() {
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ok := SupportedImageType("image/jpeg")
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assert.True(suite.T(), ok)
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ok = SupportedImageType("image/bmp")
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assert.False(suite.T(), ok)
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}
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func TestMediaUtilTestSuite(t *testing.T) {
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suite.Run(t, new(MediaUtilTestSuite))
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}
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