1/*
2 * Copyright (C) 2017 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package androidx.navigation;
18
19import static org.hamcrest.CoreMatchers.is;
20import static org.hamcrest.MatcherAssert.assertThat;
21import static org.junit.Assert.fail;
22
23import android.support.test.filters.SmallTest;
24
25import org.junit.Test;
26import org.junit.runner.RunWith;
27import org.junit.runners.JUnit4;
28
29@SuppressWarnings("unchecked")
30@RunWith(JUnit4.class)
31@SmallTest
32public class SimpleNavigatorProviderTest {
33    @Test
34    public void addWithMissingAnnotationName() {
35        SimpleNavigatorProvider provider = new SimpleNavigatorProvider();
36        Navigator navigator = new NoNameNavigator();
37        try {
38            provider.addNavigator(navigator);
39            fail("Adding a provider with no @Navigator.Name should cause an "
40                    + "IllegalArgumentException");
41        } catch (IllegalArgumentException e) {
42            // Expected
43        }
44    }
45
46    @Test
47    public void addWithMissingAnnotationNameGetWithExplicitName() {
48        SimpleNavigatorProvider provider = new SimpleNavigatorProvider();
49        Navigator navigator = new NoNameNavigator();
50        provider.addNavigator("name", navigator);
51        assertThat(provider.getNavigator("name"), is(navigator));
52    }
53
54    @Test
55    public void addWithExplicitNameGetWithExplicitName() {
56        SimpleNavigatorProvider provider = new SimpleNavigatorProvider();
57        Navigator navigator = new EmptyNavigator();
58        provider.addNavigator("name", navigator);
59        assertThat(provider.getNavigator("name"), is(navigator));
60        try {
61            provider.getNavigator(EmptyNavigator.class);
62            fail("getNavigator(Class) with an invalid name should cause an IllegalStateException");
63        } catch (IllegalStateException e) {
64            // Expected
65        }
66    }
67
68    @Test
69    public void addWithExplicitNameGetWithMissingAnnotationName() {
70        SimpleNavigatorProvider provider = new SimpleNavigatorProvider();
71        Navigator navigator = new NoNameNavigator();
72        provider.addNavigator("name", navigator);
73        try {
74            provider.getNavigator(NoNameNavigator.class);
75            fail("getNavigator(Class) with no @Navigator.Name should cause "
76                    + "an IllegalArgumentException");
77        } catch (IllegalArgumentException e) {
78            // Expected
79        }
80    }
81
82    @Test
83    public void addWithAnnotationNameGetWithAnnotationName() {
84        SimpleNavigatorProvider provider = new SimpleNavigatorProvider();
85        Navigator navigator = new EmptyNavigator();
86        provider.addNavigator(navigator);
87        assertThat(provider.getNavigator(EmptyNavigator.class), is(navigator));
88    }
89
90    @Test
91    public void addWithAnnotationNameGetWithExplicitName() {
92        SimpleNavigatorProvider provider = new SimpleNavigatorProvider();
93        Navigator navigator = new EmptyNavigator();
94        provider.addNavigator(navigator);
95        assertThat(provider.getNavigator(EmptyNavigator.NAME), is(navigator));
96    }
97}
98