EditTextTest.java revision b47b1af9719958cb4fdb21eac8a8bde035c2c574 
1package com.xtremelabs.robolectric.shadows;
2
3import static org.hamcrest.CoreMatchers.equalTo;
4import static org.junit.Assert.assertThat;
5import static org.junit.Assert.assertTrue;
6import static org.mockito.Matchers.any;
7import static org.mockito.Matchers.anyInt;
8import static org.mockito.Matchers.eq;
9import static org.mockito.Mockito.mock;
10import static org.mockito.Mockito.when;
11
12import java.util.Random;
13
14import org.junit.Test;
15import org.junit.runner.RunWith;
16
17import android.util.AttributeSet;
18import android.widget.EditText;
19
20import com.xtremelabs.robolectric.WithTestDefaultsRunner;
21
22@RunWith(WithTestDefaultsRunner.class)
23public class EditTextTest {
24
25    @Test
26    public void shouldBeFocusableByDefault() throws Exception {
27        assertTrue(new EditText(null).isFocusable());
28        assertTrue(new EditText(null).isFocusableInTouchMode());
29    }
30
31    @Test
32    public void givenInitializingWithAttributeSet_whenMaxLengthDefined_thenRestrictTextLengthToMaxLength() {
33        int maxLength = anyInteger();
34        AttributeSet attrs = attributeSetWithMaxLength(maxLength);
35        EditText editText = new EditText(null, attrs);
36        String excessiveInput = stringOfLength(maxLength * 2);
37
38        editText.setText(excessiveInput);
39
40        assertThat(editText.getText().toString(), equalTo(excessiveInput.subSequence(0, maxLength)));
41    }
42
43    @Test
44    public void givenInitializingWithAttributeSet_whenMaxLengthNotDefined_thenTextLengthShouldHaveNoRestrictions() {
45        AttributeSet attrs = attributeSetWithoutMaxLength();
46        EditText editText = new EditText(null, attrs);
47        String input = anyString();
48
49        editText.setText(input);
50
51        assertThat(editText.getText().toString(), equalTo(input));
52    }
53
54    @Test
55    public void whenInitializingWithoutAttributeSet_thenTextLengthShouldHaveNoRestrictions() {
56        EditText editText = new EditText(null);
57        String input = anyString();
58
59        editText.setText(input);
60
61        assertThat(editText.getText().toString(), equalTo(input));
62    }
63
64    private String anyString() {
65        return stringOfLength(anyInteger());
66    }
67
68    private String stringOfLength(int length) {
69        StringBuilder stringBuilder = new StringBuilder();
70
71        for (int i = 0; i < length; i++)
72            stringBuilder.append('x');
73
74        return stringBuilder.toString();
75    }
76
77    private int anyInteger() {
78        return new Random().nextInt(1000) + 1;
79    }
80
81    private AttributeSet attributeSetWithMaxLength(int maxLength) {
82        AttributeSet attrs = mock(AttributeSet.class);
83        when(attrs.getAttributeIntValue(eq("android"), eq("maxLength"), anyInt())).thenReturn(maxLength);
84        return attrs;
85    }
86
87    private AttributeSet attributeSetWithoutMaxLength() {
88        AttributeSet attrs = mock(AttributeSet.class);
89        when(attrs.getAttributeIntValue("android", "maxLength", Integer.MAX_VALUE)).thenReturn(Integer.MAX_VALUE);
90        return attrs;
91    }
92}
93