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/*
* Copyright 2017 Huawei Technologies Co., Ltd.
*
* 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 org.onap.cli.moco;
import static com.github.dreamhead.moco.Moco.pathResource;
import static com.github.dreamhead.moco.MocoJsonRunner.jsonHttpServer;
import static com.github.dreamhead.moco.Runner.runner;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.stream.Stream;
import org.onap.cli.fw.OnapCommandRegistrar;
import org.onap.cli.fw.error.OnapCommandException;
import org.onap.cli.fw.error.OnapCommandInvalidSample;
import org.onap.cli.fw.utils.OnapCommandUtils;
import org.onap.cli.main.OnapCli;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.core.io.Resource;
import org.yaml.snakeyaml.Yaml;
import com.github.dreamhead.moco.HttpServer;
import com.github.dreamhead.moco.Runner;
public class OnapCommandHttpMocoServer {
public static final String SAMPLE_PATTERN = "onap-cli-sample/**/";
public static final String SAMPLE_VERSION = "onap_cli_sample_version";
public static final String SAMPLE_VERSION_1_0 = "1.0";
public static final String SAMPLE_COMMAND_NAME = "name";
public static final String SAMPLE_PRODUCT = "version";
public static final String SAMPLE_LIST = "samples";
public static final String SAMPLE_DESCRIPTION = "name";
public static final String SAMPLE_INPUT = "input";
public static final String SAMPLE_OUTPUT = "output";
public static final String SAMPLE_MOCO = "moco";
private static Logger LOG = LoggerFactory.getLogger(OnapCommandHttpMocoServer.class);
private String samplesToTest = "*.yaml";
private int port = 8141;
public int getPort() {
return port;
}
public void setPort(int port) {
this.port = port;
}
public OnapCommandHttpMocoServer(String samplesToTest) {
this.samplesToTest = samplesToTest;
}
public OnapCommandHttpMocoServer() {
}
public static Map<String, List<OnapCommandSample>> discoverYamls(File path) throws IOException {
Map<String, List<OnapCommandSample>> cliProductSamples = new HashMap<>();
Stream<Path> walk = Files.walk(path.toPath());
walk.filter(p -> (p.toString().contains("src/test/resources/onap-cli-sample")))
.filter(p -> p.toString().endsWith("sample.yaml"))
.forEach(p -> {
collectSamples(new File(p.toUri()), cliProductSamples);
});
return cliProductSamples;
}
private static void collectSamples(File file, Map<String, List<OnapCommandSample>> result) {
OnapCommandHttpMocoServer onapCommandHttpMocoServer = new OnapCommandHttpMocoServer();
List<OnapCommandSample> loadSamples;
try {
loadSamples = onapCommandHttpMocoServer.loadSamples(file);
loadSamples.stream().forEach(sample -> {
if (!result.containsKey(sample.getProduct())) {
result.put(sample.getProduct(), new ArrayList<>());
}
result.get(sample.getProduct()).add(sample);
});
} catch (OnapCommandInvalidSample e) {
LOG.error("Failed to read sample file", e);
}
}
private List<Resource> dicoverSampleYamls() {
Resource[] resources = new Resource [] {};
try {
resources = OnapCommandUtils.findResources(SAMPLE_PATTERN + this.samplesToTest);
} catch (IOException e) {
LOG.error("Failed to discover the samples", e);
}
return Arrays.asList(resources);
}
private String getValue(Map<String, ?> map, String prpName) {
Object o = map.get(prpName);
if (o != null) {
return o.toString();
}
return "";
}
public List<OnapCommandSample> loadSamples(InputStream inputStream, String fileName) throws OnapCommandInvalidSample {
List<OnapCommandSample> samples = new ArrayList<>();
Map<String, ?> values = null;
try {
values = (Map<String, ?>) new Yaml().load(inputStream);
} catch (Exception e) {
throw new OnapCommandInvalidSample(fileName, e);
}
OnapCommandSample sample = new OnapCommandSample();
if (!this.getValue(values, SAMPLE_VERSION).equals(SAMPLE_VERSION_1_0)) {
throw new OnapCommandInvalidSample(fileName, "Invalid sample version " + this.getValue(values, SAMPLE_VERSION));
}
sample.setCommandName(this.getValue(values, SAMPLE_COMMAND_NAME));
sample.setProduct(this.getValue(values, SAMPLE_PRODUCT));
//Retrieve the samples
values = (Map<String, Map<String, String>>) values.get(SAMPLE_LIST);
for (String s: values.keySet()) {
Map<String, ?> sMap = (Map<String, ?>)values.get(s);
sample.setDescription(this.getValue(sMap, SAMPLE_DESCRIPTION));
sample.setInput(this.getValue(sMap, SAMPLE_INPUT));
sample.setOutput(this.getValue(sMap, SAMPLE_OUTPUT));
sample.setMoco(this.getValue(sMap, SAMPLE_MOCO));
samples.add(sample);
}
return samples;
}
public List<OnapCommandSample> loadSamples(Resource file) throws OnapCommandInvalidSample {
try {
return loadSamples(file.getInputStream(), file.getFilename());
} catch (IOException e) {
throw new OnapCommandInvalidSample(file.getFilename(), e);
}
}
public List<OnapCommandSample> loadSamples(File file) throws OnapCommandInvalidSample {
try {
return loadSamples(new FileInputStream(file), file.getName());
} catch (FileNotFoundException e) {
throw new OnapCommandInvalidSample(file.getName(), e);
}
}
private void verifySample(OnapCommandSample sample) throws OnapCommandException {
List <String> args = new ArrayList<>();
args.add(sample.getCommandName());
args.addAll(Arrays.asList(sample.getInput().split(" ")));
ByteArrayOutputStream bo = new ByteArrayOutputStream();
System.setOut(new PrintStream(bo));
OnapCli cli = new OnapCli(args.toArray(new String []{}));
OnapCommandRegistrar.getRegistrar().setEnabledProductVersion(sample.getProduct());
cli.handle();
String output = new String(bo.toByteArray());
assert cli.getExitCode() == 0;
assert sample.getOutput().equals(output);
}
public void verifySamples() throws OnapCommandException {
for (Resource rsc : this.dicoverSampleYamls()) {
for(OnapCommandSample sample: this.loadSamples(rsc)) {
if (!sample.getMoco().isEmpty()) {
HttpServer server = jsonHttpServer(this.getPort(), pathResource(sample.getMoco()));
Runner r = runner(server);
r.start();
this.verifySample(sample);
r.stop();
}
}
}
}
}
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