com.cloudera.csd.components.JsonMdlParserTest.java Source code

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Here is the source code for com.cloudera.csd.components.JsonMdlParserTest.java

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// Licensed to Cloudera, Inc. under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  Cloudera, Inc. 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.
package com.cloudera.csd.components;

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

import com.cloudera.csd.descriptors.RoleMonitoringDefinitionsDescriptor;
import com.cloudera.csd.descriptors.ServiceMonitoringDefinitionsDescriptor;
import com.cloudera.csd.validation.SdlTestUtils;

import java.io.IOException;
import java.io.InputStream;

import org.apache.commons.io.IOUtils;
import org.junit.Test;

public class JsonMdlParserTest {

    private JsonMdlParser parser = new JsonMdlParser();

    @Test
    public void testParseFullFile() throws Exception {
        ServiceMonitoringDefinitionsDescriptor descriptor = parser.parse(getMdl("service_full.mdl"));
        assertNotNull(descriptor);
        assertEquals(descriptor.getName(), "ECHO");
        assertEquals(2, descriptor.getMetricEntityAttributeDefinitions().size());
        assertEquals(2, descriptor.getMetricEntityTypeDefinitions().size());
        assertEquals(3, descriptor.getMetricDefinitions().size());
        assertEquals(2, descriptor.getRoles().size());
        for (RoleMonitoringDefinitionsDescriptor role : descriptor.getRoles()) {
            assertEquals(3, role.getMetricDefinitions().size());
        }
    }

    @Test
    public void testParseUnknownElement() throws Exception {
        ServiceMonitoringDefinitionsDescriptor descriptor = parser.parse(getMdl("service_unknown_elements.mdl"));
        assertEquals(descriptor.getName(), "ECHO");
    }

    @Test(expected = IOException.class)
    public void testBadJson() throws Exception {
        parser.parse(getMdl("service_badjson.sdl"));
    }

    private byte[] getMdl(String name) throws IOException {
        InputStream stream = null;
        try {
            stream = JsonSdlParserTest.class.getResourceAsStream(SdlTestUtils.SDL_PARSER_RESOURCE_PATH + name);
            return IOUtils.toByteArray(stream);
        } finally {
            IOUtils.closeQuietly(stream);
        }
    }
}