Integration test

Author: Priya Wadhwa

tests/file_layer_analysis_expected.json

@@ -0,0 +1,26 @@
+[
+  {
+    "Image": "gcr.io/gcp-runtimes/diff-layer-base",
+    "AnalyzeType": "FileLayer",
+    "Analysis": [
+      [
+        {
+          "Name": "/first",
+          "Size": 6
+        }
+      ],
+      [
+        {
+          "Name": "/second",
+          "Size": 7
+        }
+      ],
+      [
+        {
+          "Name": "/third",
+          "Size": 6
+        }
+      ]
+    ]
+  }
+]

tests/file_layer_diff_expected.json

@@ -0,0 +1,41 @@
+[
+  {
+    "Image1": "gcr.io/gcp-runtimes/diff-layer-base",
+    "Image2": "gcr.io/gcp-runtimes/diff-layer-modified",
+    "DiffType": "FileLayer",
+    "Diff": {
+      "DirDiffs": [
+        {
+          "Adds": null,
+          "Dels": null,
+          "Mods": null
+        },
+        {
+          "Adds": [
+            {
+              "Name": "/modified",
+              "Size": 9
+            }
+          ],
+          "Dels": [
+            {
+              "Name": "/second",
+              "Size": 7
+            }
+          ],
+          "Mods": null
+        },
+        {
+          "Adds": null,
+          "Dels": [
+            {
+              "Name": "/third",
+              "Size": 6
+            }
+          ],
+          "Mods": null
+        }
+      ]
+    }
+  }
+]

tests/integration_test.go

@@ -38,6 +38,9 @@ const (
 	diffBase     = "gcr.io/gcp-runtimes/diff-base"
 	diffModified = "gcr.io/gcp-runtimes/diff-modified"
 
+	diffLayerBase    = "gcr.io/gcp-runtimes/diff-layer-base"
+	diffLayerModifed = "gcr.io/gcp-runtimes/diff-layer-modified"
+
 	metadataBase     = "gcr.io/gcp-runtimes/metadata-base"
 	metadataModified = "gcr.io/gcp-runtimes/metadata-modified"
 
@@ -106,6 +109,14 @@ func TestDiffAndAnalysis(t *testing.T) {
 			differFlags:  []string{"--type=file"},
 			expectedFile: "file_diff_expected.json",
 		},
+		{
+			description:  "file layer differ",
+			subcommand:   "diff",
+			imageA:       diffLayerBase,
+			imageB:       diffLayerModifed,
+			differFlags:  []string{"--type=file-layer"},
+			expectedFile: "file_layer_diff_expected.json",
+		},
 		{
 			description:  "apt differ",
 			subcommand:   "diff",
@@ -191,6 +202,13 @@ func TestDiffAndAnalysis(t *testing.T) {
 			differFlags:  []string{"--type=file", "-o"},
 			expectedFile: "file_sorted_analysis_expected.json",
 		},
+		{
+			description:  "file layer analysis",
+			subcommand:   "analyze",
+			imageA:       diffLayerBase,
+			differFlags:  []string{"--type=file-layer"},
+			expectedFile: "file_layer_analysis_expected.json",
+		},
 		{
 			description:  "pip analysis",
 			subcommand:   "analyze",