From 92214a5e65e831759a14de2c1015431a794eb192 Mon Sep 17 00:00:00 2001
From: Marko Andrijasevic <markoandrijasevic@gmail.com>
Date: Thu, 12 Mar 2020 19:59:04 +0100
Subject: [PATCH] Carry over relevant Preferenes tests from edit-post package

---
 packages/edit-site/src/store/test/actions.js  | 16 ++++++
 packages/edit-site/src/store/test/reducer.js  | 32 ++++++++++++
 .../edit-site/src/store/test/selectors.js     | 51 +++++++++++++++++++
 3 files changed, 99 insertions(+)
 create mode 100644 packages/edit-site/src/store/test/actions.js
 create mode 100644 packages/edit-site/src/store/test/reducer.js
 create mode 100644 packages/edit-site/src/store/test/selectors.js

diff --git a/packages/edit-site/src/store/test/actions.js b/packages/edit-site/src/store/test/actions.js
new file mode 100644
index 0000000000000..c2a7d440207fb
--- /dev/null
+++ b/packages/edit-site/src/store/test/actions.js
@@ -0,0 +1,16 @@
+/**
+ * Internal dependencies
+ */
+import { toggleFeature } from '../actions';
+
+describe( 'actions', () => {
+	describe( 'toggleFeature', () => {
+		it( 'should return TOGGLE_FEATURE action', () => {
+			const feature = 'name';
+			expect( toggleFeature( feature ) ).toEqual( {
+				type: 'TOGGLE_FEATURE',
+				feature,
+			} );
+		} );
+	} );
+} );
diff --git a/packages/edit-site/src/store/test/reducer.js b/packages/edit-site/src/store/test/reducer.js
new file mode 100644
index 0000000000000..687eca3d39a1a
--- /dev/null
+++ b/packages/edit-site/src/store/test/reducer.js
@@ -0,0 +1,32 @@
+/**
+ * External dependencies
+ */
+import deepFreeze from 'deep-freeze';
+
+/**
+ * Internal dependencies
+ */
+import { preferences } from '../reducer';
+import { PREFERENCES_DEFAULTS } from '../defaults';
+
+describe( 'state', () => {
+	describe( 'preferences()', () => {
+		it( 'should apply all defaults', () => {
+			const state = preferences( undefined, {} );
+
+			expect( state ).toEqual( PREFERENCES_DEFAULTS );
+		} );
+
+		it( 'should toggle a feature flag', () => {
+			const state = preferences(
+				deepFreeze( { features: { chicken: true } } ),
+				{
+					type: 'TOGGLE_FEATURE',
+					feature: 'chicken',
+				}
+			);
+
+			expect( state.features ).toEqual( { chicken: false } );
+		} );
+	} );
+} );
diff --git a/packages/edit-site/src/store/test/selectors.js b/packages/edit-site/src/store/test/selectors.js
new file mode 100644
index 0000000000000..82424b3658948
--- /dev/null
+++ b/packages/edit-site/src/store/test/selectors.js
@@ -0,0 +1,51 @@
+/**
+ * Internal dependencies
+ */
+import { isFeatureActive } from '../selectors';
+
+describe( 'selectors', () => {
+	describe( 'isFeatureActive', () => {
+		it( 'is tolerant to an undefined features preference', () => {
+			// See: https://github.com/WordPress/gutenberg/issues/14580
+			const state = {
+				preferences: {},
+			};
+
+			expect( isFeatureActive( state, 'chicken' ) ).toBe( false );
+		} );
+
+		it( 'should return true if feature is active', () => {
+			const state = {
+				preferences: {
+					features: {
+						chicken: true,
+					},
+				},
+			};
+
+			expect( isFeatureActive( state, 'chicken' ) ).toBe( true );
+		} );
+
+		it( 'should return false if feature is not active', () => {
+			const state = {
+				preferences: {
+					features: {
+						chicken: false,
+					},
+				},
+			};
+
+			expect( isFeatureActive( state, 'chicken' ) ).toBe( false );
+		} );
+
+		it( 'should return false if feature is not referred', () => {
+			const state = {
+				preferences: {
+					features: {},
+				},
+			};
+
+			expect( isFeatureActive( state, 'chicken' ) ).toBe( false );
+		} );
+	} );
+} );