KylinInterpreterTest.java Source code

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Here is the source code for KylinInterpreterTest.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
 */

import org.apache.http.*;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.message.AbstractHttpMessage;
import org.apache.zeppelin.interpreter.InterpreterResult;
import org.apache.zeppelin.kylin.KylinInterpreter;
import org.junit.BeforeClass;
import org.junit.Test;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Locale;
import java.util.Properties;

import static org.junit.Assert.assertEquals;

public class KylinInterpreterTest {
    static final Properties kylinProperties = new Properties();

    @BeforeClass
    public static void setUpClass() {
        kylinProperties.put("kylin.api.url", "http://localhost:7070/kylin/api/query");
        kylinProperties.put("kylin.api.user", "ADMIN");
        kylinProperties.put("kylin.api.password", "KYLIN");
        kylinProperties.put("kylin.query.project", "default");
        kylinProperties.put("kylin.query.offset", "0");
        kylinProperties.put("kylin.query.limit", "5000");
        kylinProperties.put("kylin.query.ispartial", "true");
    }

    @Test
    public void testWithDefault() {
        KylinInterpreter t = new MockKylinInterpreter(getDefaultProperties());
        InterpreterResult result = t.interpret("select a.date,sum(b.measure) as measure from kylin_fact_table a "
                + "inner join kylin_lookup_table b on a.date=b.date group by a.date", null);
        assertEquals("default", t.getProject("select a.date,sum(b.measure) as measure "
                + "from kylin_fact_table a inner join kylin_lookup_table b on a.date=b.date group by a.date"));
        assertEquals(InterpreterResult.Type.TABLE, result.message().get(0).getType());
    }

    @Test
    public void testWithProject() {
        KylinInterpreter t = new MockKylinInterpreter(getDefaultProperties());
        assertEquals("project2", t.getProject("(project2)\n select a.date,sum(b.measure) as measure "
                + "from kylin_fact_table a inner join kylin_lookup_table b on a.date=b.date group by a.date"));
        assertEquals("", t.getProject("()\n select a.date,sum(b.measure) as measure "
                + "from kylin_fact_table a inner join kylin_lookup_table b on a.date=b.date group by a.date"));
    }

    private Properties getDefaultProperties() {
        Properties prop = new Properties();
        prop.put("kylin.api.username", "ADMIN");
        prop.put("kylin.api.password", "KYLIN");
        prop.put("kylin.api.url", "http://<host>:<port>/kylin/api/query");
        prop.put("kylin.query.project", "default");
        prop.put("kylin.query.offset", "0");
        prop.put("kylin.query.limit", "5000");
        prop.put("kylin.query.ispartial", "true");
        return prop;
    }
}

class MockKylinInterpreter extends KylinInterpreter {

    public MockKylinInterpreter(Properties property) {
        super(property);
    }

    @Override
    public HttpResponse prepareRequest(String sql) throws IOException {
        MockHttpClient client = new MockHttpClient();
        return client.execute(new HttpPost());
    }

}

class MockHttpClient {
    public MockHttpResponse execute(HttpPost post) {
        return new MockHttpResponse();
    }
}

class MockHttpResponse extends AbstractHttpMessage implements HttpResponse {

    @Override
    public StatusLine getStatusLine() {
        return new MockStatusLine();
    }

    @Override
    public void setStatusLine(StatusLine statusLine) {

    }

    @Override
    public void setStatusLine(ProtocolVersion protocolVersion, int i) {

    }

    @Override
    public void setStatusLine(ProtocolVersion protocolVersion, int i, String s) {

    }

    @Override
    public void setStatusCode(int i) throws IllegalStateException {

    }

    @Override
    public void setReasonPhrase(String s) throws IllegalStateException {

    }

    @Override
    public HttpEntity getEntity() {
        return new MockEntity();
    }

    @Override
    public void setEntity(HttpEntity httpEntity) {

    }

    @Override
    public Locale getLocale() {
        return null;
    }

    @Override
    public void setLocale(Locale locale) {

    }

    @Override
    public ProtocolVersion getProtocolVersion() {
        return null;
    }
}

class MockStatusLine implements StatusLine {

    @Override
    public ProtocolVersion getProtocolVersion() {
        return null;
    }

    @Override
    public int getStatusCode() {
        return 200;
    }

    @Override
    public String getReasonPhrase() {
        return null;
    }
}

class MockEntity implements HttpEntity {

    @Override
    public boolean isRepeatable() {
        return false;
    }

    @Override
    public boolean isChunked() {
        return false;
    }

    @Override
    public long getContentLength() {
        return 0;
    }

    @Override
    public Header getContentType() {
        return null;
    }

    @Override
    public Header getContentEncoding() {
        return null;
    }

    @Override
    public InputStream getContent() throws IOException, IllegalStateException {
        return new ByteArrayInputStream(("{\"columnMetas\":" + "[{\"label\":\"PART_DT\"},{\"label\":\"measure\"}],"
                + "\"results\":[[\"2012-01-03\",\"917.4138\"]," + "[\"2012-05-06\",\"592.4823\"]]}").getBytes());
    }

    @Override
    public void writeTo(OutputStream outputStream) throws IOException {

    }

    @Override
    public boolean isStreaming() {
        return false;
    }

    @Override
    public void consumeContent() throws IOException {

    }
}