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Add plugin information for Verbose mode #18051

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merged 8 commits into from
May 10, 2016
Merged

Add plugin information for Verbose mode #18051

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397c9f1
Add plugin information for Verbose mode
gmoskovicz Apr 28, 2016
8307a05
Fixed code review comments and added tests.
gmoskovicz Apr 29, 2016
f94a749
Added helper on another test.
gmoskovicz Apr 29, 2016
fb2c1b7
Added stronger assertions.
gmoskovicz Apr 29, 2016
234bc68
Fixed and simplify tests
gmoskovicz May 2, 2016
ffe41ec
Fixed tests with latest comments
gmoskovicz May 6, 2016
206d2f9
Fixed no-needed brackets and long line
gmoskovicz May 6, 2016
9f87f9f
Fix indentation.
gmoskovicz May 6, 2016
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2 changes: 2 additions & 0 deletions core/src/main/java/org/elasticsearch/plugins/ListPluginsCommand.java
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Original file line number Diff line number Diff line change
Expand Up @@ -51,6 +51,8 @@ protected void execute(Terminal terminal, OptionSet options) throws Exception {
try (DirectoryStream<Path> stream = Files.newDirectoryStream(env.pluginsFile())) {
for (Path plugin : stream) {
terminal.println(plugin.getFileName().toString());
PluginInfo info = PluginInfo.readFromProperties(env.pluginsFile().resolve(plugin.toAbsolutePath()));
terminal.println(Terminal.Verbosity.VERBOSE, info.toString());
}
}
}
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84 changes: 76 additions & 8 deletions qa/evil-tests/src/test/java/org/elasticsearch/plugins/ListPluginsCommandTests.java
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Expand Up @@ -19,16 +19,21 @@

package org.elasticsearch.plugins;

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This also needs a test for the exceptional case (exception during reading).

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Added.


import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.NoSuchFileException;
import java.nio.file.Path;
import java.util.Arrays;
import java.util.stream.Collectors;

import org.apache.lucene.util.LuceneTestCase;
import org.elasticsearch.cli.ExitCodes;
import org.elasticsearch.cli.MockTerminal;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.env.Environment;
import org.elasticsearch.test.ESTestCase;
import org.elasticsearch.Version;

@LuceneTestCase.SuppressFileSystems("*")
public class ListPluginsCommandTests extends ESTestCase {
Expand All @@ -43,20 +48,38 @@ Environment createEnv() throws IOException {
}

static MockTerminal listPlugins(Environment env) throws Exception {
return listPlugins(env, new String[0]);
}

static MockTerminal listPlugins(Environment env, String[] args) throws Exception {
MockTerminal terminal = new MockTerminal();
String[] args = {};
int status = new ListPluginsCommand(env).main(args, terminal);
assertEquals(ExitCodes.OK, status);
return terminal;
}

static String buildMultiline(String... args){
return Arrays.asList(args).stream().collect(Collectors.joining("\n", "", "\n"));
}

static void buildFakePlugin(Environment env, String description, String name, String classname) throws IOException {
PluginTestUtil.writeProperties(env.pluginsFile().resolve(name),
"description", description,
"name", name,
"version", "1.0",
"elasticsearch.version", Version.CURRENT.toString(),
"java.version", System.getProperty("java.specification.version"),
"classname", classname);
}


public void testPluginsDirMissing() throws Exception {
Environment env = createEnv();
Files.delete(env.pluginsFile());
IOException e = expectThrows(IOException.class, () -> {
listPlugins(env);
});
assertTrue(e.getMessage(), e.getMessage().contains("Plugins directory missing"));
assertEquals(e.getMessage(), "Plugins directory missing: " + env.pluginsFile());
}

public void testNoPlugins() throws Exception {
Expand All @@ -66,18 +89,63 @@ public void testNoPlugins() throws Exception {

public void testOnePlugin() throws Exception {
Environment env = createEnv();
Files.createDirectory(env.pluginsFile().resolve("fake"));
buildFakePlugin(env, "fake desc", "fake", "org.fake");
MockTerminal terminal = listPlugins(env);
assertTrue(terminal.getOutput(), terminal.getOutput().contains("fake"));
assertEquals(terminal.getOutput(), buildMultiline("fake"));
}

public void testTwoPlugins() throws Exception {
Environment env = createEnv();
Files.createDirectory(env.pluginsFile().resolve("fake1"));
Files.createDirectory(env.pluginsFile().resolve("fake2"));
buildFakePlugin(env, "fake desc", "fake1", "org.fake");
buildFakePlugin(env, "fake desc 2", "fake2", "org.fake");
MockTerminal terminal = listPlugins(env);
assertEquals(terminal.getOutput(), buildMultiline("fake1", "fake2"));
}

public void testPluginWithVerbose() throws Exception {
Environment env = createEnv();
buildFakePlugin(env, "fake desc", "fake_plugin", "org.fake");
String[] params = { "-v" };
MockTerminal terminal = listPlugins(env, params);
assertEquals(terminal.getOutput(), buildMultiline("Plugins directory: " + env.pluginsFile(), "fake_plugin",
"- Plugin information:", "Name: fake_plugin", "Description: fake desc", "Version: 1.0", " * Classname: org.fake"));
}

public void testPluginWithVerboseMultiplePlugins() throws Exception {
Environment env = createEnv();
buildFakePlugin(env, "fake desc 1", "fake_plugin1", "org.fake");
buildFakePlugin(env, "fake desc 2", "fake_plugin2", "org.fake2");
String[] params = { "-v" };
MockTerminal terminal = listPlugins(env, params);
assertEquals(terminal.getOutput(), buildMultiline("Plugins directory: " + env.pluginsFile(),
"fake_plugin1", "- Plugin information:", "Name: fake_plugin1", "Description: fake desc 1", "Version: 1.0",
" * Classname: org.fake", "fake_plugin2", "- Plugin information:", "Name: fake_plugin2",
"Description: fake desc 2", "Version: 1.0", " * Classname: org.fake2"));
}

public void testPluginWithoutVerboseMultiplePlugins() throws Exception {
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@jasontedor jasontedor May 2, 2016 •
edited
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I don't think this test adds anything over the existing testOnePlugin and testTwoPlugins tests (although the assertions in those tests should probably be tightened to specify the exact output). I think that that should be done as part of this pull request since this pull request is modifying the output depending on a command-line flag and thus we need those tests strengthened to ensure that when verbose is not set that the output there was not modified.

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Should we assert both things in the other tests, matching the verbose and non-verbose output?

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I think that the both kinds of tests (verbose and non-verbose) should specify exactly what the output is. Note that as written the non-verbose tests would pass even if the production code was changed to always output the verbose output. So, the output would be wrong but the test would not fail.

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Got it! Good idea.

Environment env = createEnv();
buildFakePlugin(env, "fake desc 1", "fake_plugin1", "org.fake");
buildFakePlugin(env, "fake desc 2", "fake_plugin2", "org.fake2");
MockTerminal terminal = listPlugins(env, new String[0]);
String output = terminal.getOutput();
assertTrue(output, output.contains("fake1"));
assertTrue(output, output.contains("fake2"));
assertEquals(output, buildMultiline("fake_plugin1", "fake_plugin2"));
}

public void testPluginWithoutDescriptorFile() throws Exception{
Environment env = createEnv();
Files.createDirectories(env.pluginsFile().resolve("fake1"));
NoSuchFileException e = expectThrows(NoSuchFileException.class, () -> listPlugins(env));
assertEquals(e.getFile(), env.pluginsFile().resolve("fake1").resolve(PluginInfo.ES_PLUGIN_PROPERTIES).toString());
}

public void testPluginWithWrongDescriptorFile() throws Exception{
Environment env = createEnv();
PluginTestUtil.writeProperties(env.pluginsFile().resolve("fake1"),
"description", "fake desc");
IllegalArgumentException e = expectThrows(IllegalArgumentException.class, () -> listPlugins(env));
assertEquals(e.getMessage(), "Property [name] is missing in [" +
env.pluginsFile().resolve("fake1").resolve(PluginInfo.ES_PLUGIN_PROPERTIES).toString() + "]");
}
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There should be a newline here between the brace closing the method and the brace closing the class.


}