1 files changed, 185 insertions, 0 deletions
diff --git a/espresso/espresso-lib/src/main/java/com/google/android/apps/common/testing/ui/espresso/matcher/PreferenceMatchers.java b/espresso/espresso-lib/src/main/java/com/google/android/apps/common/testing/ui/espresso/matcher/PreferenceMatchers.java
new file mode 100644
index 0000000..13b6506
--- /dev/null
+++ b/espresso/espresso-lib/src/main/java/com/google/android/apps/common/testing/ui/espresso/matcher/PreferenceMatchers.java
@@ -0,0 +1,185 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.google.android.apps.common.testing.ui.espresso.matcher;
+
+import static org.hamcrest.Matchers.is;
+
+import android.content.res.Resources;
+import android.preference.Preference;
+
+import org.hamcrest.Description;
+import org.hamcrest.Matcher;
+import org.hamcrest.TypeSafeMatcher;
+
+/**
+ * A collection of hamcrest matchers that match {@link Preference}s.
+ */
+public final class PreferenceMatchers {
+
+  private PreferenceMatchers() {}
+
+  public static Matcher<Preference> withSummary(final int resourceId) {
+    return new TypeSafeMatcher<Preference>() {
+      private String resourceName = null;
+      private String expectedText = null;
+
+      @Override
+      public void describeTo(Description description) {
+        description.appendText(" with summary string from resource id: ");
+        description.appendValue(resourceId);
+        if (null != resourceName) {
+          description.appendText("[");
+          description.appendText(resourceName);
+          description.appendText("]");
+        }
+        if (null != expectedText) {
+          description.appendText(" value: " );
+          description.appendText(expectedText);
+        }
+      }
+
+      @Override
+      public boolean matchesSafely(Preference preference) {
+        if (null == expectedText) {
+          try {
+            expectedText = preference.getContext().getResources().getString(resourceId);
+            resourceName = preference.getContext().getResources().getResourceEntryName(resourceId);
+          } catch (Resources.NotFoundException ignored) {
+            /* view could be from a context unaware of the resource id. */
+          }
+        }
+        if (null != expectedText) {
+          return expectedText.equals(preference.getSummary().toString());
+        } else {
+          return false;
+        }
+      }
+    };
+  }
+
+  public static Matcher<Preference> withSummaryText(String summary) {
+    return withSummaryText(is(summary));
+  }
+
+  public static Matcher<Preference> withSummaryText(final Matcher<String> summaryMatcher) {
+    return new TypeSafeMatcher<Preference>() {
+      @Override
+      public void describeTo(Description description) {
+        description.appendText(" a preference with summary matching: ");
+        summaryMatcher.describeTo(description);
+      }
+
+      @Override
+      public boolean matchesSafely(Preference pref) {
+        String summary = pref.getSummary().toString();
+        return summaryMatcher.matches(summary);
+      }
+    };
+  }
+
+  public static Matcher<Preference> withTitle(final int resourceId) {
+    return new TypeSafeMatcher<Preference>() {
+      private String resourceName = null;
+      private String expectedText = null;
+
+      @Override
+      public void describeTo(Description description) {
+        description.appendText(" with title string from resource id: ");
+        description.appendValue(resourceId);
+        if (null != resourceName) {
+          description.appendText("[");
+          description.appendText(resourceName);
+          description.appendText("]");
+        }
+        if (null != expectedText) {
+          description.appendText(" value: " );
+          description.appendText(expectedText);
+        }
+      }
+
+      @Override
+      public boolean matchesSafely(Preference preference) {
+        if (null == expectedText) {
+          try {
+            expectedText = preference.getContext().getResources().getString(resourceId);
+            resourceName = preference.getContext().getResources().getResourceEntryName(resourceId);
+          } catch (Resources.NotFoundException ignored) {
+            /* view could be from a context unaware of the resource id. */
+          }
+        }
+        if (null != expectedText) {
+          return expectedText.equals(preference.getTitle().toString());
+        } else {
+          return false;
+        }
+      }
+    };
+  }
+
+  public static Matcher<Preference> withTitleText(String title) {
+    return withTitleText(is(title));
+  }
+
+  public static Matcher<Preference> withTitleText(final Matcher<String> titleMatcher) {
+    return new TypeSafeMatcher<Preference>() {
+      @Override
+      public void describeTo(Description description) {
+        description.appendText(" a preference with title matching: ");
+        titleMatcher.describeTo(description);
+      }
+
+      @Override
+      public boolean matchesSafely(Preference pref) {
+        String title = pref.getTitle().toString();
+        return titleMatcher.matches(title);
+      }
+    };
+  }
+
+  public static Matcher<Preference> isEnabled() {
+    return new TypeSafeMatcher<Preference>() {
+      @Override
+      public void describeTo(Description description) {
+        description.appendText(" is an enabled preference");
+      }
+
+      @Override
+      public boolean matchesSafely(Preference pref) {
+        return pref.isEnabled();
+      }
+    };
+  }
+
+  public static Matcher<Preference> withKey(String key) {
+    return withKey(is(key));
+  }
+
+  public static Matcher<Preference> withKey(final Matcher<String> keyMatcher) {
+    return new TypeSafeMatcher<Preference>() {
+      @Override
+      public void describeTo(Description description) {
+        description.appendText(" preference with key matching: ");
+        keyMatcher.describeTo(description);
+      }
+
+      @Override
+      public boolean matchesSafely(Preference pref) {
+        return keyMatcher.matches(pref.getKey());
+      }
+    };
+  }
+}