add CompatibleBrowser tests

auth0/src/test/java/com/auth0/android/provider/CustomTabsOptionsTest.java

@@ -2,6 +2,7 @@
 
 import android.app.Activity;
 import android.content.Intent;
+import android.content.pm.PackageManager;
 import android.os.Parcel;
 import android.support.customtabs.CustomTabsIntent;
 import android.support.v4.content.ContextCompat;
@@ -18,7 +19,11 @@
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.core.Is.is;
 import static org.hamcrest.core.IsNull.notNullValue;
+import static org.hamcrest.core.IsNull.nullValue;
+import static org.mockito.Matchers.any;
+import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.when;
 
 @RunWith(RobolectricTestRunner.class)
 @Config(sdk = 21)
@@ -37,6 +42,34 @@ public void shouldCreateNewBuilder() {
  assertThat(builder, is(notNullValue()));
  }
 
+ @Test
+ public void shouldHaveCompatibleBrowser() {
+ PackageManager pm = mock(PackageManager.class);
+ BrowserPicker browserPicker = mock(BrowserPicker.class);
+ when(browserPicker.getBestBrowserPackage(any(PackageManager.class))).thenReturn("something");
+
+ CustomTabsOptions options = CustomTabsOptions.newBuilder()
+ .withBrowserPicker(browserPicker).build();
+
+
+ assertThat(options.getPreferredPackage(pm), is("something"));
+ assertThat(options.hasCompatibleBrowser(pm), is(true));
+ }
+
+ @Test
+ public void shouldNotHaveCompatibleBrowser() {
+ PackageManager pm = mock(PackageManager.class);
+ BrowserPicker browserPicker = mock(BrowserPicker.class);
+ when(browserPicker.getBestBrowserPackage(any(PackageManager.class))).thenReturn(null);
+
+ CustomTabsOptions options = CustomTabsOptions.newBuilder()
+ .withBrowserPicker(browserPicker).build();
+
+
+ assertThat(options.getPreferredPackage(pm), is(nullValue()));
+ assertThat(options.hasCompatibleBrowser(pm), is(false));
+ }
+
  @Test
  public void shouldHaveDefaultValues() {
  CustomTabsOptions options = CustomTabsOptions.newBuilder().build();