sdk-common/src/test/java/com/android/ide/common/res2/PartialFileResourceNameValidatorTest.java

/*
 * Copyright (C) 2015 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.android.ide.common.res2;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;

import com.android.annotations.Nullable;
import com.android.resources.ResourceType;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.Parameterized;

import java.io.File;
import java.util.Arrays;
import java.util.Collection;

@RunWith(Parameterized.class)
public class PartialFileResourceNameValidatorTest {

    @Parameterized.Parameters(name = "file={0}, resourceType={1} gives error {2}")
    public static Collection<Object[]> expected() {
        final String IS_NOT_A_VALID_ETC =
                " is not a valid file-based resource name character: File-based resource names "
                        + "must contain only lowercase a-z, 0-9, or underscore";
        final String THE_FILE_NAME_MUST_END_WITH_XML_OR_PNG =
                "The file name must end with .xml or .png";
        return Arrays.asList(new Object[][]{
                //{ resourceName, resourceType, sourceFile, expectedException }
                {"", ResourceType.ANIMATOR, "Resource must have a name"},
                {"foo.png", ResourceType.DRAWABLE, null},
                {"foo.xml", ResourceType.DRAWABLE, null},
                {"foo.9.png", ResourceType.DRAWABLE, null},
                {"foo.other.png", ResourceType.DRAWABLE, "'.'" + IS_NOT_A_VALID_ETC},
                {"foo.xml", ResourceType.XML, null},
                {"foo.png", ResourceType.XML, "The file name must end with .xml"},
                {"foo.8.xml", ResourceType.DRAWABLE, "'.'" + IS_NOT_A_VALID_ETC},
                {"foo", ResourceType.DRAWABLE, null},
                {"foo.txt", ResourceType.RAW, null},
                {"foo", ResourceType.RAW, null},
                {"foo", ResourceType.RAW, null},
                {"foo.txt", ResourceType.DRAWABLE, THE_FILE_NAME_MUST_END_WITH_XML_OR_PNG},
                {"Foo.png", ResourceType.DRAWABLE,
                        "File-based resource names must start with a lowercase letter"},
                {"foo$.png", ResourceType.DRAWABLE, "'$'" + IS_NOT_A_VALID_ETC},
                {"enum.png", ResourceType.DRAWABLE,
                        "enum is not a valid resource name (reserved Java keyword)"},
        });
    }

    @Parameterized.Parameter(value = 0)
    public String mSourceFileName;

    @Parameterized.Parameter(value = 1)
    public ResourceType mResourceType;

    @Parameterized.Parameter(value = 2)
    public String mExpectedErrorMessage;


    @Test
    public void validate() {
        String actual =
                FileResourceNameValidator.getErrorTextForPartialName(mSourceFileName, mResourceType);
        FileResourceNameValidatorTest.assertErrorMessageCorrect(mExpectedErrorMessage, actual);
    }
}