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498 lines
13 KiB
498 lines
13 KiB
package pipelines
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import (
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"image"
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"os"
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"path/filepath"
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"testing"
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"github.com/geplauder/lithium/storage"
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"github.com/stretchr/testify/assert"
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)
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// pipeline deserialization
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func TestPipelineDeserialization(t *testing.T) {
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t.Run("Image pipeline deserialization is successful", func(t *testing.T) {
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const Payload string = `{
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"name": "example pipeline",
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"type": 0,
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"removeMetadata": false,
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"steps": [
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{
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"name": "resize image",
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"type": 0
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},
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{
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"name": "compress image",
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"type": 1
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}
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]
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}`
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values := DeserializePipelines([][]byte{[]byte(Payload)})
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assert.Equal(t, 1, len(values), "Output should contain one element")
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assert.Equal(t, "example pipeline", values[0].GetName())
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assert.Equal(t, Image, values[0].GetType())
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})
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t.Run("Video pipelines deserialization is successful", func(t *testing.T) {
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const Payload string = `{
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"name": "example pipeline",
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"type": 1,
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"removeMetadata": false,
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"steps": [
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{
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"name": "resize image",
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"type": 0
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},
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{
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"name": "compress image",
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"type": 1
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}
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]
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}`
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values := DeserializePipelines([][]byte{[]byte(Payload)})
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assert.Equal(t, 1, len(values), "Output should contain one element")
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assert.Equal(t, "example pipeline", values[0].GetName())
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assert.Equal(t, Video, values[0].GetType())
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})
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}
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// image pipeline steps
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func TestExecuteSteps(t *testing.T) {
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t.Run("Pipeline executes with no steps", func(t *testing.T) {
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const Bucket string = "pipeline_test_01"
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const Payload string = `{
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"name": "example pipeline",
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"type": 1,
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"removeMetadata": false,
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"steps": []
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}`
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wd, _ := os.Getwd()
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pipe := DeserializePipelines([][]byte{[]byte(Payload)})[0]
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storageProvider := storage.GetFileSystemStorageProvider("test", "..")
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// copy test file to storage bucket
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_, err := storageProvider.StoreExisting(Bucket, "source.jpg", filepath.Join(wd, "../tests/files/900x900.jpg"))
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assert.Nil(t, err, "Test file should be readable")
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assert.FileExists(t, storageProvider.GetPath(Bucket, "source.jpg"))
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// run pipeline steps
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dest, err := pipe.Run("source.jpg", Bucket, storageProvider)
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assert.Nil(t, err)
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assert.FileExists(t, storageProvider.GetPath(Bucket, dest))
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// clean up
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os.Remove(storageProvider.GetPath(Bucket, "source.jpg"))
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os.Remove(storageProvider.GetPath(Bucket, dest))
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})
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t.Run("Image resizing is successful", func(t *testing.T) {
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const Bucket string = "pipeline_test_02"
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const Payload string = `{
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"name": "example pipeline",
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"type": 1,
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"removeMetadata": false,
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"steps": [
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{
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"name": "resize image",
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"type": 0,
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"options": {
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"width": 1280,
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"height": 720,
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"upscale": false
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}
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}
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]
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}`
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wd, _ := os.Getwd()
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pipe := DeserializePipelines([][]byte{[]byte(Payload)})[0]
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storageProvider := storage.GetFileSystemStorageProvider("test", "..")
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// copy test file to storage bucket
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_, err := storageProvider.StoreExisting(Bucket, "source.jpg", filepath.Join(wd, "../tests/files/900x900.jpg"))
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assert.Nil(t, err, "Test file should be readable")
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assert.FileExists(t, storageProvider.GetPath(Bucket, "source.jpg"))
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// run pipeline steps
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dest, err := pipe.Run("source.jpg", Bucket, storageProvider)
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assert.Nil(t, err)
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assert.FileExists(t, storageProvider.GetPath(Bucket, dest))
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// read image config
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file, err := storageProvider.OpenFile(Bucket, dest)
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assert.Nil(t, err)
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imgConf, _, err := image.DecodeConfig(file)
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assert.Nil(t, err)
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assert.Equal(t, 1280, imgConf.Width)
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assert.Equal(t, 720, imgConf.Height)
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// clean up
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os.Remove(storageProvider.GetPath(Bucket, "source.jpg"))
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os.Remove(storageProvider.GetPath(Bucket, dest))
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})
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t.Run("Image rotation step is successful", func(t *testing.T) {
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const Bucket string = "pipeline_test_03"
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const Payload string = `{
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"name": "example pipeline",
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"type": 1,
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"removeMetadata": false,
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"steps": [
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{
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"name": "rotate image",
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"type": 1,
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"options": {
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"angle": 90.0
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}
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}
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]
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}`
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wd, _ := os.Getwd()
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pipe := DeserializePipelines([][]byte{[]byte(Payload)})[0]
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storageProvider := storage.GetFileSystemStorageProvider("test", "..")
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// copy test file to storage bucket
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_, err := storageProvider.StoreExisting(Bucket, "source.jpg", filepath.Join(wd, "../tests/files/800x500.jpg"))
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assert.Nil(t, err, "Test file should be readable")
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assert.FileExists(t, storageProvider.GetPath(Bucket, "source.jpg"))
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// run pipeline steps
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dest, err := pipe.Run("source.jpg", Bucket, storageProvider)
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assert.Nil(t, err)
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assert.FileExists(t, storageProvider.GetPath(Bucket, dest))
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// read image config
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file, err := storageProvider.OpenFile(Bucket, dest)
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assert.Nil(t, err)
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imgConf, _, err := image.DecodeConfig(file)
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assert.Nil(t, err)
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assert.Equal(t, 500, imgConf.Width)
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assert.Equal(t, 800, imgConf.Height)
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// clean up
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os.Remove(storageProvider.GetPath(Bucket, "source.jpg"))
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os.Remove(storageProvider.GetPath(Bucket, dest))
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})
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t.Run("Image flip step is successful", func(t *testing.T) {
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const Bucket string = "pipeline_test_06"
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const Payload string = `{
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"name": "example pipeline",
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"type": 1,
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"removeMetadata": false,
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"steps": [
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{
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"name": "flip image",
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"type": 2,
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"options": {
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"direction": "h"
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}
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}
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]
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}`
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wd, _ := os.Getwd()
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pipe := DeserializePipelines([][]byte{[]byte(Payload)})[0]
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storageProvider := storage.GetFileSystemStorageProvider("test", "..")
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// copy test file to storage bucket
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_, err := storageProvider.StoreExisting(Bucket, "source.jpg", filepath.Join(wd, "../tests/files/800x500.jpg"))
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assert.Nil(t, err, "Test file should be readable")
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assert.FileExists(t, storageProvider.GetPath(Bucket, "source.jpg"))
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// run pipeline steps
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dest, err := pipe.Run("source.jpg", Bucket, storageProvider)
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assert.Nil(t, err)
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assert.FileExists(t, storageProvider.GetPath(Bucket, dest))
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// read image config
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file, err := storageProvider.OpenFile(Bucket, dest)
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assert.Nil(t, err)
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imgConf, _, err := image.DecodeConfig(file)
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assert.Nil(t, err)
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assert.Equal(t, 800, imgConf.Width)
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assert.Equal(t, 500, imgConf.Height)
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// clean up
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os.Remove(storageProvider.GetPath(Bucket, "source.jpg"))
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os.Remove(storageProvider.GetPath(Bucket, dest))
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})
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t.Run("Image flip step direction validation is successful", func(t *testing.T) {
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const Bucket string = "pipeline_test_07"
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const Payload string = `{
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"name": "example pipeline",
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"type": 1,
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"removeMetadata": false,
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"steps": [
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{
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"name": "flip image",
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"type": 2,
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"options": {
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"direction": "f"
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}
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}
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]
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}`
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wd, _ := os.Getwd()
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pipe := DeserializePipelines([][]byte{[]byte(Payload)})[0]
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storageProvider := storage.GetFileSystemStorageProvider("test", "..")
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// copy test file to storage bucket
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_, err := storageProvider.StoreExisting(Bucket, "source.jpg", filepath.Join(wd, "../tests/files/800x500.jpg"))
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assert.Nil(t, err, "Test file should be readable")
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assert.FileExists(t, storageProvider.GetPath(Bucket, "source.jpg"))
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// run pipeline steps
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_, err = pipe.Run("source.jpg", Bucket, storageProvider)
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assert.EqualError(t, err, "invalid flip direction: f")
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// clean up
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os.Remove(storageProvider.GetPath(Bucket, "source.jpg"))
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})
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t.Run("Image grayscale step is successful", func(t *testing.T) {
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const Bucket string = "pipeline_test_05"
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const Payload string = `{
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"name": "example pipeline",
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"type": 1,
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"removeMetadata": false,
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"steps": [
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{
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"name": "grayscale",
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"type": 3
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}
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]
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}`
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wd, _ := os.Getwd()
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pipe := DeserializePipelines([][]byte{[]byte(Payload)})[0]
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storageProvider := storage.GetFileSystemStorageProvider("test", "..")
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// copy test file to storage bucket
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_, err := storageProvider.StoreExisting(Bucket, "source.jpg", filepath.Join(wd, "../tests/files/900x900.jpg"))
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assert.Nil(t, err, "Test file should be readable")
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assert.FileExists(t, storageProvider.GetPath(Bucket, "source.jpg"))
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// run pipeline steps
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dest, err := pipe.Run("source.jpg", Bucket, storageProvider)
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assert.Nil(t, err)
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assert.FileExists(t, storageProvider.GetPath(Bucket, dest))
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// read image config
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file, err := storageProvider.OpenFile(Bucket, dest)
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assert.Nil(t, err)
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imgConf, _, err := image.DecodeConfig(file)
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assert.Nil(t, err)
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assert.Equal(t, 900, imgConf.Width)
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assert.Equal(t, 900, imgConf.Height)
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// clean up
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os.Remove(storageProvider.GetPath(Bucket, "source.jpg"))
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os.Remove(storageProvider.GetPath(Bucket, dest))
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})
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t.Run("Image fit step is successful", func(t *testing.T) {
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const Bucket string = "pipeline_test_08"
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const Payload string = `{
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"name": "example pipeline",
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"type": 1,
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"removeMetadata": false,
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"steps": [
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{
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"name": "fit",
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"type": 4,
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"options": {
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"width": 300,
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"height": 200
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}
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}
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]
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}`
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wd, _ := os.Getwd()
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pipe := DeserializePipelines([][]byte{[]byte(Payload)})[0]
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storageProvider := storage.GetFileSystemStorageProvider("test", "..")
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// copy test file to storage bucket
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_, err := storageProvider.StoreExisting(Bucket, "source.jpg", filepath.Join(wd, "../tests/files/900x900.jpg"))
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assert.Nil(t, err, "Test file should be readable")
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assert.FileExists(t, storageProvider.GetPath(Bucket, "source.jpg"))
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// run pipeline steps
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dest, err := pipe.Run("source.jpg", Bucket, storageProvider)
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assert.Nil(t, err)
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assert.FileExists(t, storageProvider.GetPath(Bucket, dest))
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// read image config
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file, err := storageProvider.OpenFile(Bucket, dest)
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assert.Nil(t, err)
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imgConf, _, err := image.DecodeConfig(file)
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assert.Nil(t, err)
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assert.Equal(t, 200, imgConf.Width)
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assert.Equal(t, 200, imgConf.Height)
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// clean up
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os.Remove(storageProvider.GetPath(Bucket, "source.jpg"))
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os.Remove(storageProvider.GetPath(Bucket, dest))
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})
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t.Run("Image invert step is successful", func(t *testing.T) {
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const Bucket string = "pipeline_test_09"
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const Payload string = `{
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"name": "example pipeline",
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"type": 1,
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"removeMetadata": false,
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"steps": [
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{
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"name": "invert",
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"type": 5
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}
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]
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}`
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wd, _ := os.Getwd()
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pipe := DeserializePipelines([][]byte{[]byte(Payload)})[0]
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storageProvider := storage.GetFileSystemStorageProvider("test", "..")
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// copy test file to storage bucket
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_, err := storageProvider.StoreExisting(Bucket, "source.jpg", filepath.Join(wd, "../tests/files/900x900.jpg"))
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assert.Nil(t, err, "Test file should be readable")
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assert.FileExists(t, storageProvider.GetPath(Bucket, "source.jpg"))
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// run pipeline steps
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dest, err := pipe.Run("source.jpg", Bucket, storageProvider)
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assert.Nil(t, err)
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assert.FileExists(t, storageProvider.GetPath(Bucket, dest))
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// read image config
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file, err := storageProvider.OpenFile(Bucket, dest)
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assert.Nil(t, err)
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imgConf, _, err := image.DecodeConfig(file)
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assert.Nil(t, err)
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assert.Equal(t, 900, imgConf.Width)
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assert.Equal(t, 900, imgConf.Height)
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// clean up
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os.Remove(storageProvider.GetPath(Bucket, "source.jpg"))
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os.Remove(storageProvider.GetPath(Bucket, dest))
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})
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}
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// output options
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func TestEncoding(t *testing.T) {
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const Bucket string = "pipeline_test_04"
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const Payload string = `{
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"name": "example pipeline",
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"type": 1,
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"removeMetadata": false,
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"steps": [
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{
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"name": "resize image",
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"type": 0,
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"options": {
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"width": 1280,
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"height": 720,
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"upscale": false
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}
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}
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],
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"output": {
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"quality": 50
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}
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}`
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t.Run("Image encoding with jpeg quality is successful", func(t *testing.T) {
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wd, _ := os.Getwd()
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pipe := DeserializePipelines([][]byte{[]byte(Payload)})[0]
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storageProvider := storage.GetFileSystemStorageProvider("test", "..")
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// copy test file to storage bucket
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_, err := storageProvider.StoreExisting(Bucket, "source.jpg", filepath.Join(wd, "../tests/files/900x900.jpg"))
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assert.Nil(t, err, "Test file should be readable")
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assert.FileExists(t, storageProvider.GetPath(Bucket, "source.jpg"))
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// run pipeline steps
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dest, err := pipe.Run("source.jpg", Bucket, storageProvider)
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assert.Nil(t, err)
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assert.FileExists(t, storageProvider.GetPath(Bucket, dest))
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// clean up
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os.Remove(storageProvider.GetPath(Bucket, "source.jpg"))
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os.Remove(storageProvider.GetPath(Bucket, dest))
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})
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t.Run("Wrong output format results in error", func(t *testing.T) {
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const InvalidPayload string = `{
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"name": "example pipeline",
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"type": 1,
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"removeMetadata": false,
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"steps": [
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{
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"name": "resize image",
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"type": 0,
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"options": {
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"width": 1280,
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"height": 720,
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"upscale": false
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}
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}
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],
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"output": {
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"format": "foo",
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"quality": 50
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}
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}`
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wd, _ := os.Getwd()
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pipe := DeserializePipelines([][]byte{[]byte(InvalidPayload)})[0]
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storageProvider := storage.GetFileSystemStorageProvider("test", "..")
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// copy test file to storage bucket
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_, err := storageProvider.StoreExisting(Bucket, "source.jpg", filepath.Join(wd, "../tests/files/900x900.jpg"))
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assert.Nil(t, err, "Test file should be readable")
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assert.FileExists(t, storageProvider.GetPath(Bucket, "source.jpg"))
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// run pipeline steps
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_, err = pipe.Run("source.jpg", Bucket, storageProvider)
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assert.EqualError(t, err, "output format 'foo' is not supported")
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// clean up
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os.Remove(storageProvider.GetPath(Bucket, "source.jpg"))
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})
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}
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