Chariot Blog Android Unit Testing With Robolectric

Activity Start,java

@Test
public void buttonClickShouldStartNewActivity() throws Exception {
    button.performClick();
    Intent intent = NewActivity.createIntent(activity);
    assertThat(activity, new StartedMatcher(intent));
}

Drawable Resource

@Test
public void imageShouldEqualResourceDrawable() throws Exception {
    assertThat(image.getDrawable(),
               equalTo(getResourceDrawable(R.drawable.sun_earth)));
}

Presence

@Test
public void shouldHaveWelcomeText() throws Exception {
    assertViewIsVisible(welcomeText);
}

Reveal Functionality

@Test
public void shouldHaveHiddenButton() throws Exception {
    assertViewIsHidden(button);
}

@Test
public void shouldShowButtonAfterImageClick() throws Exception {
    image.performClick();
    assertViewIsVisible(button);
}

String Resource

@Test
public void welcomeTextShouldEqualResource() throws Exception {
    assertThat(welcomeText.getText().toString(),
               equalTo(getResourceString(R.string.WELCOME_STRING)));
}

Tests.java

@Test
public void shouldNotBeNull() throws Exception {
    assertNotNull(activity);
}

Toasting

@Test
public void welcomeTextClickShouldToastUser() throws Exception {
    welcomeText.performClick();
    assertThat(getTextOfLatestToast(),
               equalTo(getResourceString(R.string.WELCOME_TOAST)));
}