/*
This test doesn't touch the database. It verifies that the ContentProvider returns
the correct type for each type of URI that it can handle.
Students: Uncomment this test to verify that your implementation of GetType is
functioning correctly.
*/
public void testGetType() {
// content://com.example.android.sunshine.app/weather/
String type = mContext.getContentResolver().getType(WeatherEntry.CONTENT_URI);
// vnd.android.cursor.dir/com.example.android.sunshine.app/weather
assertEquals(
"Error: the WeatherEntry CONTENT_URI should return WeatherEntry.CONTENT_TYPE",
WeatherEntry.CONTENT_TYPE,
type);
String testLocation = "94074";
// content://com.example.android.sunshine.app/weather/94074
type = mContext.getContentResolver().getType(WeatherEntry.buildWeatherLocation(testLocation));
// vnd.android.cursor.dir/com.example.android.sunshine.app/weather
assertEquals(
"Error: the WeatherEntry CONTENT_URI with location should return WeatherEntry.CONTENT_TYPE",
WeatherEntry.CONTENT_TYPE,
type);
long testDate = 1419120000L; // December 21st, 2014
// content://com.example.android.sunshine.app/weather/94074/20140612
type =
mContext
.getContentResolver()
.getType(WeatherEntry.buildWeatherLocationWithDate(testLocation, testDate));
// vnd.android.cursor.item/com.example.android.sunshine.app/weather/1419120000
assertEquals(
"Error: the WeatherEntry CONTENT_URI with location and date should return WeatherEntry.CONTENT_ITEM_TYPE",
WeatherEntry.CONTENT_ITEM_TYPE,
type);
// content://com.example.android.sunshine.app/location/
type = mContext.getContentResolver().getType(LocationEntry.CONTENT_URI);
// vnd.android.cursor.dir/com.example.android.sunshine.app/location
assertEquals(
"Error: the LocationEntry CONTENT_URI should return LocationEntry.CONTENT_TYPE",
LocationEntry.CONTENT_TYPE,
type);
}
// Make sure we can still delete after adding/updating stuff
//
// Student: Uncomment this test after you have completed writing the insert functionality
// in your provider. It relies on insertions with testInsertReadProvider, so insert and
// query functionality must also be complete before this test can be used.
public void testInsertReadProvider() {
ContentValues testValues = TestUtilities.createNorthPoleLocationValues();
// Register a content observer for our insert. This time, directly with the content resolver
TestUtilities.TestContentObserver tco = TestUtilities.getTestContentObserver();
mContext.getContentResolver().registerContentObserver(LocationEntry.CONTENT_URI, true, tco);
Uri locationUri = mContext.getContentResolver().insert(LocationEntry.CONTENT_URI, testValues);
// Did our content observer get called? Students: If this fails, your insert location
// isn't calling getContext().getContentResolver().notifyChange(uri, null);
tco.waitForNotificationOrFail();
mContext.getContentResolver().unregisterContentObserver(tco);
long locationRowId = ContentUris.parseId(locationUri);
// Verify we got a row back.
assertTrue(locationRowId != -1);
// Data's inserted. IN THEORY. Now pull some out to stare at it and verify it made
// the round trip.
// A cursor is your primary interface to the query results.
Cursor cursor =
mContext
.getContentResolver()
.query(
LocationEntry.CONTENT_URI,
null, // leaving "columns" null just returns all the columns.
null, // cols for "where" clause
null, // values for "where" clause
null // sort order
);
TestUtilities.validateCursor(
"testInsertReadProvider. Error validating LocationEntry.", cursor, testValues);
// Fantastic. Now that we have a location, add some weather!
ContentValues weatherValues = TestUtilities.createWeatherValues(locationRowId);
// The TestContentObserver is a one-shot class
tco = TestUtilities.getTestContentObserver();
mContext.getContentResolver().registerContentObserver(WeatherEntry.CONTENT_URI, true, tco);
Uri weatherInsertUri =
mContext.getContentResolver().insert(WeatherEntry.CONTENT_URI, weatherValues);
assertTrue(weatherInsertUri != null);
// Did our content observer get called? Students: If this fails, your insert weather
// in your ContentProvider isn't calling
// getContext().getContentResolver().notifyChange(uri, null);
tco.waitForNotificationOrFail();
mContext.getContentResolver().unregisterContentObserver(tco);
// A cursor is your primary interface to the query results.
Cursor weatherCursor =
mContext
.getContentResolver()
.query(
WeatherEntry.CONTENT_URI, // Table to Query
null, // leaving "columns" null just returns all the columns.
null, // cols for "where" clause
null, // values for "where" clause
null // columns to group by
);
TestUtilities.validateCursor(
"testInsertReadProvider. Error validating WeatherEntry insert.",
weatherCursor,
weatherValues);
// Add the location values in with the weather data so that we can make
// sure that the join worked and we actually get all the values back
weatherValues.putAll(testValues);
// Get the joined Weather and Location data
weatherCursor =
mContext
.getContentResolver()
.query(
WeatherEntry.buildWeatherLocation(TestUtilities.TEST_LOCATION),
null, // leaving "columns" null just returns all the columns.
null, // cols for "where" clause
null, // values for "where" clause
null // sort order
);
TestUtilities.validateCursor(
"testInsertReadProvider. Error validating joined Weather and Location Data.",
weatherCursor,
weatherValues);
// Get the joined Weather and Location data with a start date
weatherCursor =
mContext
.getContentResolver()
.query(
WeatherEntry.buildWeatherLocationWithStartDate(
TestUtilities.TEST_LOCATION, TestUtilities.TEST_DATE),
null, // leaving "columns" null just returns all the columns.
null, // cols for "where" clause
null, // values for "where" clause
null // sort order
);
TestUtilities.validateCursor(
"testInsertReadProvider. Error validating joined Weather and Location Data with start date.",
weatherCursor,
weatherValues);
// Get the joined Weather data for a specific date
weatherCursor =
mContext
.getContentResolver()
.query(
WeatherEntry.buildWeatherLocationWithDate(
TestUtilities.TEST_LOCATION, TestUtilities.TEST_DATE),
null,
null,
null,
null);
TestUtilities.validateCursor(
"testInsertReadProvider. Error validating joined Weather and Location data for a specific date.",
weatherCursor,
weatherValues);
}
