Java BoundedMatcher类代码示例

import android.support.test.espresso.matcher.BoundedMatcher; //导入依赖的package包/类
/**
 * Returns a matcher that matches {@link TextView}s based on text property value.
 *
 * @param stringMatcher {@link Matcher} of {@link String} with text to match
 */
@NonNull
public static Matcher<View> withPasswordText(final Matcher<String> stringMatcher) {

    return new BoundedMatcher<View, TextView>(TextView.class) {

        @Override
        public void describeTo(final Description description) {
            description.appendText("with error text: ");
            stringMatcher.describeTo(description);
        }

        @Override
        public boolean matchesSafely(final TextView textView) {
            return stringMatcher.matches(textView.getText().toString());
        }
    };
}
 

import android.support.test.espresso.matcher.BoundedMatcher; //导入依赖的package包/类
private static Matcher<Object> withCollapsingToolbarTitle(
        final Matcher<CharSequence> textMatcher) {
    return new BoundedMatcher<Object, CollapsingToolbarLayout>(CollapsingToolbarLayout.class) {

        @Override
        public void describeTo(Description description) {
            description.appendText("with collapsing toolbar title: ");
            textMatcher.describeTo(description);
        }

        @Override
        protected boolean matchesSafely(CollapsingToolbarLayout collapsingToolbarLayout) {
            return textMatcher.matches(collapsingToolbarLayout.getTitle());
        }

    };
}
 

import android.support.test.espresso.matcher.BoundedMatcher; //导入依赖的package包/类
public static Matcher<View> atPosition(final int position, final Matcher<View> itemMatcher) {
	return new BoundedMatcher<View, RecyclerView>(RecyclerView.class) {
		@Override
		public void describeTo(Description description) {
			description.appendText("has item at position " + position + ": ");
			itemMatcher.describeTo(description);
		}

		@Override
		protected boolean matchesSafely(final RecyclerView view) {
			RecyclerView.ViewHolder viewHolder = view.findViewHolderForAdapterPosition(position);
			if (viewHolder == null) {
				return false;
			}
			return itemMatcher.matches(viewHolder.itemView);
		}
	};
}
 

import android.support.test.espresso.matcher.BoundedMatcher; //导入依赖的package包/类
/**
 * Returns a matcher that matches {@link TextView}s based on text property value.
 *
 * @param stringMatcher {@link Matcher} of {@link String} with text to match
 */
@NonNull
public static Matcher<View> withErrorText(final Matcher<String> stringMatcher) {

    return new BoundedMatcher<View, TextView>(TextView.class) {

        @Override
        public void describeTo(final Description description) {
            description.appendText("with error text: ");
            stringMatcher.describeTo(description);
        }

        @Override
        public boolean matchesSafely(final TextView textView) {
            return stringMatcher.matches(textView.getError().toString());
        }
    };
}
 

import android.support.test.espresso.matcher.BoundedMatcher; //导入依赖的package包/类
/**
 * Returns a matcher that matches {@link TextView}s based on text property value.
 */
@NonNull
public static Matcher<View> hasError() {

    return new BoundedMatcher<View, TextView>(TextView.class) {

        @Override
        public void describeTo(final Description description) {
            description.appendText("Has error case failed.");
        }

        @Override
        public boolean matchesSafely(final TextView textView) {
            return textView.getError() != null;
        }
    };
}
 

import android.support.test.espresso.matcher.BoundedMatcher; //导入依赖的package包/类
/**
 * Returns a matcher that matches {@link TextView}s based on text property value.
 */
@NonNull
public static Matcher<View> checkTextLength(final int length) {

    return new BoundedMatcher<View, TextView>(TextView.class) {

        @Override
        public void describeTo(final Description description) {
            description.appendText("Text length is : " + description);
        }

        @Override
        public boolean matchesSafely(final TextView textView) {
            return textView.getText().length() == length;
        }
    };
}
 

import android.support.test.espresso.matcher.BoundedMatcher; //导入依赖的package包/类
/**
 * Returns a matcher that matches {@link TextView}s based on text property value.
 */
@NonNull
public static Matcher<View> hasText() {

    return new BoundedMatcher<View, TextView>(TextView.class) {

        @Override
        public void describeTo(final Description description) {
            description.appendText("Text length is : " + description);
        }

        @Override
        public boolean matchesSafely(final TextView textView) {
            return textView.getText().length() > 0;
        }
    };
}
 

import android.support.test.espresso.matcher.BoundedMatcher; //导入依赖的package包/类
public static Matcher<View> atPosition(final int position, @NonNull final Matcher<View> itemMatcher) {
    checkNotNull(itemMatcher);
    return new BoundedMatcher<View, RecyclerView>(RecyclerView.class) {
        @Override
        public void describeTo(Description description) {
            description.appendText("has item at position " + position + ":\n");
            itemMatcher.describeTo(description);
        }

        @Override
        protected boolean matchesSafely(final RecyclerView view) {
            RecyclerView.ViewHolder viewHolder = view.findViewHolderForAdapterPosition(position);
            return viewHolder != null && itemMatcher.matches(viewHolder.itemView);
        }
    };
}
 

import android.support.test.espresso.matcher.BoundedMatcher; //导入依赖的package包/类
/**
 * Matches fragment with specific tag
 *
 * @param tag fragment tag
 * @return BaseMatcher<Fragment>
 */
public static Matcher<Fragment> withTag(final String tag) {
    return new BoundedMatcher<Fragment, Fragment>(Fragment.class) {

        @Override
        public void describeTo(Description description) {
            description.appendText("Matches fragment tag");
        }

        @Override
        protected boolean matchesSafely(Fragment item) {
            String fragTag = item.getTag();
            return fragTag != null && fragTag.equals(tag);
        }
    };
}
 

import android.support.test.espresso.matcher.BoundedMatcher; //导入依赖的package包/类
public static Matcher<View> atPosition(final int position, @NonNull final Matcher<View> itemMatcher) {
    checkNotNull(itemMatcher);
    return new BoundedMatcher<View, RecyclerView>(RecyclerView.class) {
        @Override
        public void describeTo(Description description) {
            description.appendText("has item at position " + position + ": ");
            itemMatcher.describeTo(description);
        }

        @Override
        protected boolean matchesSafely(final RecyclerView view) {
            RecyclerView.ViewHolder viewHolder = view.findViewHolderForAdapterPosition(position);
            return viewHolder != null && itemMatcher.matches(viewHolder.itemView);
        }
    };
}
 

import android.support.test.espresso.matcher.BoundedMatcher; //导入依赖的package包/类
/**
 * Matcher for finding the SwipeView for a SwipeOpenViewHolders in a RecyclerView
 * @param position the position of the view holder
 * @param itemMatcher matcher to compare the SwipeView to
 * @return a Matcher that compares a SwipeOpenViewHolder at a position with a passed in matcher
 */
public static Matcher<View> atPosition(final int position, @NonNull final Matcher<View> itemMatcher) {
  checkNotNull(itemMatcher);
  return new BoundedMatcher<View, RecyclerView>(RecyclerView.class) {
    @Override protected boolean matchesSafely(RecyclerView view) {
      RecyclerView.ViewHolder viewHolder = view.findViewHolderForAdapterPosition(position);
      if (viewHolder == null || !(viewHolder instanceof SwipeOpenViewHolder)) {
        // has no item on such position
        return false;
      }
      return itemMatcher.matches(((SwipeOpenViewHolder) viewHolder).getSwipeView());
    }

    @Override
    public void describeTo(Description description) {
      description.appendText("has item at position " + position + ": ");
      itemMatcher.describeTo(description);
    }

  };
}
 

import android.support.test.espresso.matcher.BoundedMatcher; //导入依赖的package包/类
/**
 * Checks for a positive or negative translationX in a View
 * @param positive true if positive translation, false if negative
 * @return matcher for checking positive/negative translationX
 */
public static Matcher<View> checkTranslationX(final boolean positive) {
  return new BoundedMatcher<View, View>(View.class) {

    @Override public void describeTo(Description description) {
      description.appendText("translationX should be non-zero");
    }

    @Override protected boolean matchesSafely(View item) {
      if (positive) {
        return ViewCompat.getTranslationX(item) > 0;
      } else {
        return ViewCompat.getTranslationX(item) < 0;
      }
    }
  };
}
 

import android.support.test.espresso.matcher.BoundedMatcher; //导入依赖的package包/类
public static Matcher<View> atPosition(final int position, @NonNull final Matcher<View> itemMatcher) {
    checkNotNull(itemMatcher);
    return new BoundedMatcher<View, RecyclerView>(RecyclerView.class) {
        @Override
        public void describeTo(Description description) {
            description.appendText("has item at position " + position + ": ");
            itemMatcher.describeTo(description);
        }

        @Override
        protected boolean matchesSafely(final RecyclerView view) {
            RecyclerView.ViewHolder viewHolder = view.findViewHolderForAdapterPosition(position);
            if (viewHolder == null) {
                // has no item on such position
                return false;
            }
            return itemMatcher.matches(viewHolder.itemView);
        }
    };
}
 

import android.support.test.espresso.matcher.BoundedMatcher; //导入依赖的package包/类
public static Matcher<View> onMenuItems(final Matcher<Iterable<MenuItem>> matcher) {
    return new BoundedMatcher<View, NavigationView>(NavigationView.class) {
        @Override
        protected boolean matchesSafely(NavigationView item) {
            try {
                viewResources = item.getResources();
                return matcher.matches(new IterableMenu(item.getMenu()));
            } finally {
                viewResources = null;
            }
        }

        @Override
        public void describeTo(Description description) {
            description.appendText("from navigation menu items ");
            description.appendDescriptionOf(matcher);
        }
    };
}
 

import android.support.test.espresso.matcher.BoundedMatcher; //导入依赖的package包/类
public static Matcher<View> atPosition(final int position, @NonNull final Matcher<View> itemMatcher) {
  checkNotNull(itemMatcher);
  return new BoundedMatcher<View, RecyclerView>(RecyclerView.class) {
    @Override
    public void describeTo(Description description) {
      description.appendText("has item at position " + position + ": ");
      itemMatcher.describeTo(description);
    }

    @Override
    protected boolean matchesSafely(final RecyclerView view) {
      RecyclerView.ViewHolder viewHolder = view.findViewHolderForAdapterPosition(position);
      return viewHolder != null && itemMatcher.matches(viewHolder.itemView);
    }
  };
}