/**
* Copyright 2011-2014 Asakusa Framework Team.
*
* 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.asakusafw.testdriver;
import static org.hamcrest.Matchers.*;
import static org.junit.Assert.*;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import org.apache.hadoop.io.Text;
import com.asakusafw.testdriver.core.DataModelDefinition;
import com.asakusafw.testdriver.core.DataModelReflection;
import com.asakusafw.testdriver.core.DataModelSource;
import com.asakusafw.testdriver.core.DataModelSourceFactory;
import com.asakusafw.testdriver.core.SourceDataModelSource;
import com.asakusafw.testdriver.core.SourceDataModelSourceFactory;
import com.asakusafw.testdriver.core.TestContext;
import com.asakusafw.utils.io.Provider;
import com.asakusafw.utils.io.Source;
import com.asakusafw.utils.io.Sources;
final class FlowDriverPortTestHelper {
static final MockTextDefinition DEFINITION = new MockTextDefinition();
static final TestContext.Empty CONTEXT = new TestContext.Empty();
static List<Text> list(String... texts) {
List<Text> results = new ArrayList<Text>();
for (String text : texts) {
results.add(new Text(text));
}
return results;
}
static DataModelSource source(String... texts) {
return new SourceDataModelSource<Text>(DEFINITION, Sources.wrap(list(texts).iterator()));
}
static Provider<Source<Text>> provider(final String... texts) {
return new Provider<Source<Text>>() {
@Override
public Source<Text> open() throws IOException, InterruptedException {
return Sources.wrap(list(texts).iterator());
}
@Override
public void close() throws IOException {
return;
}
};
}
static DataModelSourceFactory factory(String... texts) {
return new SourceDataModelSourceFactory(provider(texts));
}
static <T> void verify(DataModelSourceFactory target, DataModelDefinition<T> def, Collection<T> expected) {
try {
Set<Object> set = new HashSet<Object>(expected);
DataModelSource source = target.createSource(def, CONTEXT);
try {
while (true) {
DataModelReflection next = source.next();
if (next == null) {
break;
}
T object = def.toObject(next);
assertThat(object.toString(), set.contains(object), is(true));
set.remove(object);
}
assertThat(set, hasSize(0));
} finally {
source.close();
}
} catch (IOException e) {
throw new AssertionError(e);
}
}
private FlowDriverPortTestHelper() {
return;
}
}