Enable documentation generation for sample yaml

Collect all sample yaml files to create documentation.

Change-Id: I5374c51a7ba8e4744956b7fdef20e4449313d705
Issue-ID: CLI-55
Signed-off-by: subhash kumar singh <subhash.kumar.singh@huawei.com>

2 files changed, 101 insertions, 7 deletions

diff --git a/validate/validation/src/test/java/org/onap/cli/moco/OnapCommandHttpMocoServer.java b/validate/validation/src/test/java/org/onap/cli/moco/OnapCommandHttpMocoServer.java
index a3e23a64..488c6193 100644
--- a/validate/validation/src/test/java/org/onap/cli/moco/OnapCommandHttpMocoServer.java
+++ b/validate/validation/src/test/java/org/onap/cli/moco/OnapCommandHttpMocoServer.java
@@ -16,18 +16,25 @@
 
 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 static com.github.dreamhead.moco.Moco.pathResource;
-import static com.github.dreamhead.moco.Moco.file;
 
 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;
@@ -78,6 +85,35 @@ public class OnapCommandHttpMocoServer {
     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 {
@@ -98,20 +134,19 @@ public class OnapCommandHttpMocoServer {
          return "";
     }
 
-    private List<OnapCommandSample> loadSamples(Resource file) throws OnapCommandInvalidSample {
-
+    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(file.getInputStream());
+            values = (Map<String, ?>) new Yaml().load(inputStream);
         } catch (Exception e) {
-            throw new OnapCommandInvalidSample(file.getFilename(), e);
+            throw new OnapCommandInvalidSample(fileName, e);
         }
 
         OnapCommandSample sample = new OnapCommandSample();
 
         if (!this.getValue(values, SAMPLE_VERSION).equals(SAMPLE_VERSION_1_0)) {
-            throw new OnapCommandInvalidSample(file.getFilename(), "Invalid sample version " + this.getValue(values, SAMPLE_VERSION));
+            throw new OnapCommandInvalidSample(fileName, "Invalid sample version " + this.getValue(values, SAMPLE_VERSION));
         }
 
         sample.setCommandName(this.getValue(values, SAMPLE_COMMAND_NAME));
@@ -132,6 +167,21 @@ public class OnapCommandHttpMocoServer {
         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<>();
diff --git a/validate/validation/src/test/java/org/onap/cli/validation/OnapValidationTest.java b/validate/validation/src/test/java/org/onap/cli/validation/OnapValidationTest.java
index f2c27fc7..71d015b5 100644
--- a/validate/validation/src/test/java/org/onap/cli/validation/OnapValidationTest.java
+++ b/validate/validation/src/test/java/org/onap/cli/validation/OnapValidationTest.java
@@ -16,8 +16,15 @@
 
 package org.onap.cli.validation;
 
+import static org.junit.Assert.fail;
+
+import java.io.File;
 import java.io.IOException;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
 
+import org.apache.commons.io.FileUtils;
 import org.aspectj.lang.annotation.After;
 import org.junit.Ignore;
 import org.junit.Test;
@@ -26,6 +33,7 @@ import org.onap.cli.fw.error.OnapCommandException;
 import org.onap.cli.fw.utils.ExternalSchema;
 import org.onap.cli.main.OnapCli;
 import org.onap.cli.moco.OnapCommandHttpMocoServer;
+import org.onap.cli.moco.OnapCommandSample;
 
 public class OnapValidationTest {
 
@@ -83,4 +91,40 @@ public class OnapValidationTest {
         server.verifySamples();
     }
 
+    @Test
+    public void collectSampleYamlTest() {
+        try {
+            File root = new File("../../");
+            String sampleFileName = "target/sample.rst";
+
+            FileUtils.deleteQuietly(new File(sampleFileName));
+            Map<String, List<OnapCommandSample>> discoveredYamls = OnapCommandHttpMocoServer.discoverYamls(root);
+
+            writeSamples(new File(sampleFileName), discoveredYamls);
+        } catch (IOException e) {
+            fail();
+        }
+    }
+
+    private void writeSamples(File dest, Map<String, List<OnapCommandSample>> cliProductSamples) throws IOException {
+
+        for (String product: cliProductSamples.keySet()) {
+            FileUtils.write(dest, "\n" + product, "UTF-8", true);
+            FileUtils.write(dest, "\n========\n\n", "UTF-8", true);
+
+            for(OnapCommandSample sample: cliProductSamples.get(product)) {
+                FileUtils.write(dest, "\n\n" + sample.getCommandName(), "UTF-8", true);
+                FileUtils.write(dest, "\n" + String.join("", Collections.nCopies(sample.getCommandName().length(), "-"))+ "\n", "UTF-8", true);
+
+                if (!sample.getInput().isEmpty()) {
+                    FileUtils.write(dest, "\ninput::\n\n " + sample.getInput() + "\n", "UTF-8", true);
+                }
+
+                if (!sample.getOutput().isEmpty()) {
+                    FileUtils.write(dest, "\noutput::\n\n " + sample.getOutput().replaceAll("\n", "\n ").trim(), "UTF-8", true);
+                }
+            }
+        }
+    }
+
  }