TextViewHasTextMatcher.java revision 4ac725f9b4cebbf46805fc5e9b2f0eaf3fdd9b29 
1package com.xtremelabs.robolectric.matchers;
2
3import android.widget.TextView;
4import org.hamcrest.Description;
5import org.hamcrest.Factory;
6import org.hamcrest.Matcher;
7import org.junit.internal.matchers.TypeSafeMatcher;
8
9public class TextViewHasTextMatcher<T extends TextView> extends TypeSafeMatcher<T> {
10    private String expected;
11    private String actualText;
12
13    public TextViewHasTextMatcher(String expected) {
14        this.expected = expected;
15    }
16
17    @Override
18    public boolean matchesSafely(T actual) {
19        if (actual == null) {
20            return false;
21        }
22        final CharSequence charSequence = actual.getText();
23        if (charSequence == null || charSequence.toString() == null) {
24            return false;
25        }
26        actualText = charSequence.toString();
27        return actualText.equals(expected);
28    }
29
30
31    @Override
32    public void describeTo(Description description) {
33        description.appendText("[" + actualText + "]");
34        description.appendText(" to equal ");
35        description.appendText("[" + expected + "]");
36    }
37
38    @Factory
39    public static <T extends TextView> Matcher<T> hasText(String expectedTextViewText) {
40        return new TextViewHasTextMatcher<T>(expectedTextViewText);
41    }
42}
43