Make FontSizePreferenceController slice compatible.

Bug: 67997826 Test: robotests Change-Id: Iea1cff48f39e1433abea285309376876e8356c07
2018-03-29 12:07:02 -07:00
parent f3789adffd
commit fc1590e901
4 changed files with 85 additions and 20 deletions
--- a/tests/robotests/src/com/android/settings/display/FontSizePreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/display/FontSizePreferenceControllerTest.java
@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.display;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import android.content.Context;
+import android.provider.Settings;
+
+import com.android.settings.R;
+import com.android.settings.core.BasePreferenceController;
+import com.android.settings.testutils.SettingsRobolectricTestRunner;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.RuntimeEnvironment;
+
+@RunWith(SettingsRobolectricTestRunner.class)
+public class FontSizePreferenceControllerTest {
+
+    private static final String TEST_KEY = "test_key";
+
+    private Context mContext;
+    private FontSizePreferenceController mController;
+    private String[] mFontSizeArray;
+
+    @Before
+    public void setUp() {
+        mContext = RuntimeEnvironment.application;
+        mController = new FontSizePreferenceController(mContext, TEST_KEY);
+        mFontSizeArray = mContext.getResources().getStringArray(R.array.entries_font_size);
+    }
+
+    @Test
+    public void isAlwaysAvailable() {
+        assertThat(mController.getAvailabilityStatus())
+                .isEqualTo(BasePreferenceController.AVAILABLE);
+    }
+
+    @Test
+    public void getSummary_noScale_shouldReturnDefaultSummary() {
+        assertThat(mController.getSummary())
+                .isEqualTo(mFontSizeArray[1]);
+    }
+
+    @Test
+    public void getSummary_smallScale_shouldReturnSmall() {
+        Settings.System.putFloat(mContext.getContentResolver(),
+                Settings.System.FONT_SCALE, 0.5f);
+        assertThat(mController.getSummary())
+                .isEqualTo(mFontSizeArray[0]);
+    }
+
+    @Test
+    public void getSummary_largeScale_shouldReturnLarge() {
+        Settings.System.putFloat(mContext.getContentResolver(),
+                Settings.System.FONT_SCALE, 1.5f);
+        assertThat(mController.getSummary())
+                .isEqualTo(mFontSizeArray[3]);
+    }
+}