95 lines
2.2 KiB
Go
95 lines
2.2 KiB
Go
package exif
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import (
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"context"
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"io"
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"io/ioutil"
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"os"
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"strings"
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"testing"
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"github.com/stretchr/testify/require"
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)
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func TestIsExifFile(t *testing.T) {
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tests := []struct {
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name string
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expected bool
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}{
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{
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name: "/full/path.jpg",
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expected: true,
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},
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{
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name: "path.jpeg",
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expected: true,
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},
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{
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name: "path.tiff",
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expected: true,
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},
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{
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name: "path.JPG",
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expected: true,
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},
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{
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name: "path.tar",
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expected: false,
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},
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{
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name: "path",
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expected: false,
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},
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}
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for _, test := range tests {
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t.Run(test.name, func(t *testing.T) {
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require.Equal(t, test.expected, IsExifFile(test.name))
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})
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}
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}
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func TestNewCleanerWithValidFile(t *testing.T) {
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input, err := os.Open("testdata/sample_exif.jpg")
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require.NoError(t, err)
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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cleaner, err := NewCleaner(ctx, input)
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require.NoError(t, err, "Expected no error when creating cleaner command")
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size, err := io.Copy(ioutil.Discard, cleaner)
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require.NoError(t, err, "Expected no error when reading output")
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sizeAfterStrip := int64(25399)
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require.Equal(t, sizeAfterStrip, size, "Different size of converted image")
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}
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func TestNewCleanerWithInvalidFile(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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cleaner, err := NewCleaner(ctx, strings.NewReader("invalid image"))
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require.NoError(t, err, "Expected no error when creating cleaner command")
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size, err := io.Copy(ioutil.Discard, cleaner)
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require.Error(t, err, "Expected error when reading output")
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require.Equal(t, int64(0), size, "Size of invalid image should be 0")
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}
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func TestNewCleanerReadingAfterEOF(t *testing.T) {
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input, err := os.Open("testdata/sample_exif.jpg")
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require.NoError(t, err)
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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cleaner, err := NewCleaner(ctx, input)
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require.NoError(t, err, "Expected no error when creating cleaner command")
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_, err = io.Copy(ioutil.Discard, cleaner)
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require.NoError(t, err, "Expected no error when reading output")
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buf := make([]byte, 1)
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size, err := cleaner.Read(buf)
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require.Equal(t, 0, size, "The output was already consumed by previous reads")
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require.Equal(t, io.EOF, err, "We return EOF")
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}
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