[SetupWizardLib] Tests

Set up the structure for tests in setup wizard library.
To run the tests, cd to the root of the tree and run
    ./gradlew connectedAndroidTest

Currently the tests fail for version lower than SDK 21, even for
IcsCompat because the resources aren't available yet.

Change-Id: I62106f531d99d7861be9474af8100fbc63ea8684

1 files changed, 104 insertions, 0 deletions

diff --git a/library/test/src/com/android/setupwizardlib/test/SetupWizardLayoutTests.java b/library/test/src/com/android/setupwizardlib/test/SetupWizardLayoutTests.java
new file mode 100644
index 0000000..ced07b2
--- /dev/null
+++ b/library/test/src/com/android/setupwizardlib/test/SetupWizardLayoutTests.java
@@ -0,0 +1,104 @@
+/*
+ * Copyright (C) 2015 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.setupwizardlib.test;
+
+import android.annotation.TargetApi;
+import android.graphics.Color;
+import android.graphics.drawable.ColorDrawable;
+import android.os.Build.VERSION_CODES;
+import android.test.InstrumentationTestCase;
+import android.test.suitebuilder.annotation.SmallTest;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.widget.TextView;
+
+import com.android.setupwizardlib.SetupWizardLayout;
+import com.android.setupwizardlib.view.NavigationBar;
+
+public class SetupWizardLayoutTests extends InstrumentationTestCase {
+
+    @SmallTest
+    public void testDefaultTemplate() {
+        SetupWizardLayout layout = new SetupWizardLayout(getInstrumentation().getContext());
+        assertDefaultTemplateInflated(layout);
+    }
+
+    @SmallTest
+    public void testSetHeaderText() {
+        SetupWizardLayout layout = new SetupWizardLayout(getInstrumentation().getContext());
+        TextView title = (TextView) layout.findViewById(R.id.suw_layout_title);
+        layout.setHeaderText("Abracadabra");
+        assertEquals("Header text should be \"Abracadabra\"", "Abracadabra", title.getText());
+    }
+
+    @TargetApi(VERSION_CODES.JELLY_BEAN_MR1)
+    @SmallTest
+    public void testAddView() {
+        SetupWizardLayout layout = new SetupWizardLayout(getInstrumentation().getContext());
+        TextView tv = new TextView(getInstrumentation().getContext());
+        int id = View.generateViewId();
+        tv.setId(id);
+        layout.addView(tv);
+        assertDefaultTemplateInflated(layout);
+        View view = layout.findViewById(id);
+        assertSame("The view added should be the same text view", tv, view);
+    }
+
+    @SmallTest
+    public void testInflateFromXml() {
+        LayoutInflater inflater = LayoutInflater.from(getInstrumentation().getContext());
+        SetupWizardLayout layout = (SetupWizardLayout) inflater.inflate(R.layout.test_layout, null);
+        assertDefaultTemplateInflated(layout);
+        View content = layout.findViewById(R.id.test_content);
+        assertTrue("@id/test_content should be a TextView", content instanceof TextView);
+    }
+
+    @TargetApi(VERSION_CODES.JELLY_BEAN_MR1)
+    @SmallTest
+    public void testCustomTemplate() {
+        SetupWizardLayout layout = new SetupWizardLayout(getInstrumentation().getContext(),
+                R.layout.test_template);
+        View templateView = layout.findViewById(R.id.test_template_view);
+        assertNotNull("@id/test_template_view should exist in template", templateView);
+
+        TextView tv = new TextView(getInstrumentation().getContext());
+        int id = View.generateViewId();
+        tv.setId(id);
+        layout.addView(tv);
+
+        templateView = layout.findViewById(R.id.test_template_view);
+        assertNotNull("@id/test_template_view should exist in template", templateView);
+        View contentView = layout.findViewById(id);
+        assertSame("The view added should be the same text view", tv, contentView);
+
+        // The following methods should be no-ops because the custom template doesn't contain the
+        // corresponding optional views. Just check that they don't throw exceptions.
+        layout.setHeaderText("Abracadabra");
+        layout.setIllustration(new ColorDrawable(Color.MAGENTA));
+        layout.setLayoutBackground(new ColorDrawable(Color.RED));
+    }
+
+    private void assertDefaultTemplateInflated(SetupWizardLayout layout) {
+        View decorView = layout.findViewById(R.id.suw_layout_decor);
+        View navbar = layout.findViewById(R.id.suw_layout_navigation_bar);
+        View title = layout.findViewById(R.id.suw_layout_title);
+        assertNotNull("@id/suw_layout_decor_view should not be null", decorView);
+        assertTrue("@id/suw_layout_navigation_bar should be an instance of NavigationBar",
+                navbar instanceof NavigationBar);
+        assertNotNull("@id/suw_layout_title should not be null", title);
+    }
+}