ShadowAbstractCursorTest.java revision 77ae4054c6fd36bd2efa66068c63c7a4635a1593 
1package org.robolectric.shadows;
2
3import android.database.AbstractCursor;
4import android.net.Uri;
5import org.junit.Before;
6import org.junit.Test;
7import org.junit.runner.RunWith;
8import org.robolectric.RuntimeEnvironment;
9import org.robolectric.Shadows;
10import org.robolectric.TestRunners;
11
12import java.util.ArrayList;
13import java.util.List;
14
15import static org.assertj.core.api.Assertions.assertThat;
16
17@RunWith(TestRunners.WithDefaults.class)
18public class ShadowAbstractCursorTest {
19
20  private TestCursor cursor;
21
22  @Before
23  public void setUp() throws Exception {
24    cursor = new TestCursor();
25  }
26
27  @Test
28  public void testMoveToFirst() {
29    cursor.theTable.add("Foobar");
30    assertThat(cursor.moveToFirst()).isTrue();
31    assertThat(cursor.getCount()).isEqualTo(1);
32  }
33
34  @Test
35  public void testMoveToFirstEmptyList() {
36    assertThat(cursor.moveToFirst()).isFalse();
37    assertThat(cursor.getCount()).isEqualTo(0);
38  }
39
40  @Test
41  public void testMoveToLast() {
42    cursor.theTable.add("Foobar");
43    cursor.theTable.add("Bletch");
44
45    assertThat(cursor.moveToLast()).isTrue();
46    assertThat(cursor.getCount()).isEqualTo(2);
47  }
48
49  @Test
50  public void testMoveToLastEmptyList() {
51    assertThat(cursor.moveToLast()).isFalse();
52    assertThat(cursor.getCount()).isEqualTo(0);
53  }
54
55  @Test
56  public void testGetPosition() {
57    cursor.theTable.add("Foobar");
58    cursor.theTable.add("Bletch");
59
60    assertThat(cursor.moveToFirst()).isTrue();
61    assertThat(cursor.getCount()).isEqualTo(2);
62    assertThat(cursor.getPosition()).isEqualTo(0);
63  }
64
65  @Test
66  public void testGetPositionSingleEntry() {
67    cursor.theTable.add("Foobar");
68
69    assertThat(cursor.moveToFirst()).isTrue();
70    assertThat(cursor.getCount()).isEqualTo(1);
71    assertThat(cursor.getPosition()).isEqualTo(0);
72  }
73
74  @Test
75  public void testGetPositionEmptyList() {
76    assertThat(cursor.moveToFirst()).isFalse();
77    assertThat(cursor.getCount()).isEqualTo(0);
78    assertThat(cursor.getPosition()).isEqualTo(0);
79  }
80
81  @Test
82  public void testMoveToNext() {
83    cursor.theTable.add("Foobar");
84    cursor.theTable.add("Bletch");
85
86    assertThat(cursor.moveToFirst()).isTrue();
87    assertThat(cursor.getCount()).isEqualTo(2);
88    assertThat(cursor.moveToNext()).isTrue();
89    assertThat(cursor.getPosition()).isEqualTo(1);
90  }
91
92  @Test
93  public void testAttemptToMovePastEnd() {
94    cursor.theTable.add("Foobar");
95    cursor.theTable.add("Bletch");
96
97    assertThat(cursor.moveToFirst()).isTrue();
98    assertThat(cursor.getCount()).isEqualTo(2);
99    assertThat(cursor.moveToNext()).isTrue();
100    assertThat(cursor.getPosition()).isEqualTo(1);
101    assertThat(cursor.isLast()).isTrue();
102    assertThat(cursor.moveToNext()).isFalse();
103    assertThat(cursor.isAfterLast()).isTrue();
104    assertThat(cursor.getPosition()).isEqualTo(2);
105  }
106
107  @Test
108  public void testAttemptToMovePastSingleEntry() {
109    cursor.theTable.add("Foobar");
110
111    assertThat(cursor.moveToFirst()).isTrue();
112    assertThat(cursor.getCount()).isEqualTo(1);
113    assertThat(cursor.moveToNext()).isFalse();
114    assertThat(cursor.getPosition()).isEqualTo(1);
115  }
116
117  @Test
118  public void testAttemptToMovePastEmptyList() {
119    assertThat(cursor.moveToFirst()).isFalse();
120    assertThat(cursor.getCount()).isEqualTo(0);
121    assertThat(cursor.moveToNext()).isFalse();
122    assertThat(cursor.getPosition()).isEqualTo(0);
123  }
124
125  @Test
126  public void testMoveToPrevious() {
127    cursor.theTable.add("Foobar");
128    cursor.theTable.add("Bletch");
129    assertThat(cursor.moveToFirst()).isTrue();
130    assertThat(cursor.moveToNext()).isTrue();
131    assertThat(cursor.getPosition()).isEqualTo(1);
132    assertThat(cursor.moveToPrevious()).isTrue();
133    assertThat(cursor.getPosition()).isEqualTo(0);
134  }
135
136  @Test
137  public void testAttemptToMovePastStart() {
138    cursor.theTable.add("Foobar");
139    cursor.theTable.add("Bletch");
140    assertThat(cursor.moveToFirst()).isTrue();
141    assertThat(cursor.moveToPrevious()).isFalse();
142    assertThat(cursor.getPosition()).isEqualTo(-1);
143  }
144
145  @Test
146  public void testIsFirst() {
147    cursor.theTable.add("Foobar");
148    cursor.theTable.add("Bletch");
149    assertThat(cursor.moveToFirst()).isTrue();
150    assertThat(cursor.isFirst()).isTrue();
151    cursor.moveToNext();
152    assertThat(cursor.isFirst()).isFalse();
153    cursor.moveToFirst();
154    cursor.moveToPrevious();
155    assertThat(cursor.isFirst()).isFalse();
156  }
157
158  @Test
159  public void testIsLast() {
160    cursor.theTable.add("Foobar");
161    cursor.theTable.add("Bletch");
162    assertThat(cursor.moveToFirst()).isTrue();
163    cursor.moveToNext();
164    assertThat(cursor.isLast()).isTrue();
165    cursor.moveToPrevious();
166    assertThat(cursor.isLast()).isFalse();
167    cursor.moveToFirst();
168    cursor.moveToNext();
169    assertThat(cursor.isLast()).isTrue();
170  }
171
172  @Test
173  public void testIsBeforeFirst() {
174    cursor.theTable.add("Foobar");
175    cursor.theTable.add("Bletch");
176    assertThat(cursor.moveToFirst()).isTrue();
177    cursor.moveToNext();
178    assertThat(cursor.isLast()).isTrue();
179    cursor.moveToPrevious();
180    assertThat(cursor.isLast()).isFalse();
181    cursor.moveToPrevious();
182    assertThat(cursor.isFirst()).isFalse();
183    cursor.moveToPrevious();
184    assertThat(cursor.isBeforeFirst()).isTrue();
185  }
186
187  @Test
188  public void testIsAfterLast() {
189    cursor.theTable.add("Foobar");
190    cursor.theTable.add("Bletch");
191    assertThat(cursor.moveToFirst()).isTrue();
192    cursor.moveToNext();
193    assertThat(cursor.isLast()).isTrue();
194    cursor.moveToNext();
195    assertThat(cursor.isAfterLast()).isTrue();
196    cursor.moveToPrevious();
197    assertThat(cursor.isLast()).isTrue();
198    cursor.moveToPrevious();
199    assertThat(cursor.isLast()).isFalse();
200    cursor.moveToFirst();
201    cursor.moveToNext();
202    assertThat(cursor.isAfterLast()).isFalse();
203    cursor.moveToNext();
204    assertThat(cursor.isAfterLast()).isTrue();
205  }
206
207  @Test
208  public void testGetNotificationUri() {
209    Uri uri = Uri.parse("content://foo.com");
210    ShadowAbstractCursor shadow = Shadows.shadowOf(cursor);
211    assertThat(shadow.getNotificationUri_Compatibility()).isNull();
212    cursor.setNotificationUri(RuntimeEnvironment.application.getContentResolver(), uri);
213    assertThat(shadow.getNotificationUri_Compatibility()).isEqualTo(uri);
214  }
215
216  @Test
217  public void testIsClosedWhenAfterCallingClose() {
218    assertThat(cursor.isClosed()).isFalse();
219    cursor.close();
220    assertThat(cursor.isClosed()).isTrue();
221  }
222
223  private class TestCursor extends AbstractCursor {
224
225    public List<Object> theTable = new ArrayList<>();
226
227    @Override
228    public int getCount() {
229      return theTable.size();
230    }
231
232    @Override
233    public String[] getColumnNames() {
234      throw new UnsupportedOperationException();
235    }
236
237    @Override
238    public double getDouble(int columnIndex) {
239      throw new UnsupportedOperationException();
240    }
241
242    @Override
243    public float getFloat(int columnIndex) {
244      throw new UnsupportedOperationException();
245    }
246
247    @Override
248    public int getInt(int columnIndex) {
249      throw new UnsupportedOperationException();
250    }
251
252    @Override
253    public long getLong(int columnIndex) {
254      throw new UnsupportedOperationException();
255    }
256
257    @Override
258    public short getShort(int columnIndex) {
259      throw new UnsupportedOperationException();
260    }
261
262    @Override
263    public String getString(int columnIndex) {
264      throw new UnsupportedOperationException();
265    }
266
267    @Override
268    public boolean isNull(int columnIndex) {
269      throw new UnsupportedOperationException();
270    }
271  }
272}