Add deserialization for pipelines

pipeline.go

@@ -1,5 +1,7 @@
 package main
 
+import "encoding/json"
+
 type PipelineType int
 type PipelineStepType int
 
@@ -26,3 +28,14 @@ type Step struct {
 	Type PipelineStepType
 }
 
+func DeserializePipelines(pipelines []string) []Pipeline {
+	values := make([]Pipeline, len(pipelines))
+
+	for index, pipeline := range pipelines {
+		var deserializedObject Pipeline
+		json.Unmarshal([]byte(pipeline), &deserializedObject)
+		values[index] = deserializedObject
+	}
+
+	return values
+}

pipeline_test.go

@@ -0,0 +1,32 @@
+package main
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+const ValidPayload string = `{
+    "name": "example pipeline",
+    "type": 0,
+    "removeMetadata": false,
+    "steps": [
+        {
+            "name": "resize image",
+            "type": 0
+        },
+        {
+            "name": "compress image",
+            "type": 1
+        }
+    ]
+}`
+
+func TestPipelineDeserialization(t *testing.T) {
+	t.Run("Pipelines deserialization is successful", func(t *testing.T) {
+		values := DeserializePipelines([]string{ValidPayload})
+
+		assert.Equal(t, 1, len(values), "Output should contain one element")
+		assert.Equal(t, "example pipeline", values[0].Name)
+	})
+}