Create fixtures and first integration test

Author: Kevin Paulisse

spec/octocatalog-diff/fixtures/catalogs/include-tags-new.json

@@ -0,0 +1,41 @@
+{
+  "document_type": "Catalog",
+  "data": {
+    "tags": ["settings"],
+    "name": "my.rspec.node",
+    "version": "production",
+    "environment": "production",
+    "resources": [
+      {
+        "type": "Stage",
+        "title": "main",
+        "tags": ["stage"],
+        "exported": false,
+        "parameters": {
+          "name": "main"
+        }
+      },
+      {
+        "type": "Class",
+        "title": "Settings",
+        "tags": ["class","settings"],
+        "exported": false
+      },
+      {
+        "type": "File",
+        "title": "/tmp/foo",
+        "tags": ["tag-one-new","tag-too"],
+        "parameters": {
+          "content": "foofoo",
+          "owner": "root"
+        }
+      }
+    ],
+    "classes": [
+      "settings"
+    ]
+  },
+  "metadata": {
+    "api_version": 1
+  }
+}

spec/octocatalog-diff/fixtures/catalogs/include-tags-old.json

@@ -0,0 +1,41 @@
+{
+  "document_type": "Catalog",
+  "data": {
+    "tags": ["settings"],
+    "name": "my.rspec.node",
+    "version": "production",
+    "environment": "production",
+    "resources": [
+      {
+        "type": "Stage",
+        "title": "main",
+        "tags": ["stage"],
+        "exported": false,
+        "parameters": {
+          "name": "main"
+        }
+      },
+      {
+        "type": "Class",
+        "title": "Settings",
+        "tags": ["class","settings"],
+        "exported": false
+      },
+      {
+        "type": "File",
+        "title": "/tmp/foo",
+        "tags": ["tag-one","tag-two"],
+        "parameters": {
+          "content": "foofoo",
+          "owner": "root"
+        }
+      }
+    ],
+    "classes": [
+      "settings"
+    ]
+  },
+  "metadata": {
+    "api_version": 1
+  }
+}

spec/octocatalog-diff/integration/include_tags_spec.rb

@@ -4,7 +4,36 @@
 require 'json'
 
 describe 'include-tags integration' do
+  let(:default_argv) do
+    [
+      '--from-catalog', OctocatalogDiff::Spec.fixture_path('catalogs/include-tags-old.json'),
+      '--to-catalog', OctocatalogDiff::Spec.fixture_path('catalogs/include-tags-new.json')
+    ]
+  end
+
   context 'with --include-tags specified' do
+    let(:argv) do
+      default_argv.concat ['--include-tags']
+    end
+
+    let(:result) do
+      OctocatalogDiff::Integration.integration(
+        argv: argv
+      )
+    end
+
+    it 'should exit indicating success with differences' do
+      expect(result.exitcode).to eq(2)
+    end
+
+    it 'should contain representative tag differences' do
+      diffs = result.diffs
+      expect(diffs.size).to eq(1)
+      expect(diffs.first.change?).to eq(true)
+      expect(diffs.first.structure).to eq(['tags'])
+      expect(diffs.first.old_value).to eq(['tag-one', 'tag-two'])
+      expect(diffs.first.new_value).to eq(['tag-one-new', 'tag-too'])
+    end
   end
 
   context 'with --no-include-tags specified' do