/
ResourceCollectionTest.java
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/
ResourceCollectionTest.java
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//
// ========================================================================
// Copyright (c) 1995-2020 Mort Bay Consulting Pty Ltd and others.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.util.resource;
import java.io.BufferedReader;
import java.io.File;
import java.io.InputStreamReader;
import java.nio.file.Path;
import java.util.Arrays;
import org.eclipse.jetty.toolchain.test.FS;
import org.eclipse.jetty.toolchain.test.MavenTestingUtils;
import org.eclipse.jetty.toolchain.test.jupiter.WorkDir;
import org.eclipse.jetty.toolchain.test.jupiter.WorkDirExtension;
import org.eclipse.jetty.util.IO;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.contains;
import static org.hamcrest.Matchers.is;
import static org.hamcrest.Matchers.nullValue;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertTrue;
@ExtendWith(WorkDirExtension.class)
public class ResourceCollectionTest
{
public WorkDir workdir;
@Test
public void testUnsetCollectionThrowsISE()
{
ResourceCollection coll = new ResourceCollection();
assertThrowIllegalStateException(coll);
}
@Test
public void testEmptyResourceArrayThrowsISE()
{
ResourceCollection coll = new ResourceCollection(new Resource[0]);
assertThrowIllegalStateException(coll);
}
@Test
public void testResourceArrayWithNullThrowsISE()
{
ResourceCollection coll = new ResourceCollection(new Resource[]{null});
assertThrowIllegalStateException(coll);
}
@Test
public void testEmptyStringArrayThrowsISE()
{
ResourceCollection coll = new ResourceCollection(new String[0]);
assertThrowIllegalStateException(coll);
}
@Test
public void testStringArrayWithNullThrowsIAE()
{
assertThrows(IllegalArgumentException.class,
() -> new ResourceCollection(new String[]{null}));
}
@Test
public void testNullCsvThrowsIAE()
{
assertThrows(IllegalArgumentException.class, () ->
{
String csv = null;
new ResourceCollection(csv); // throws IAE
});
}
@Test
public void testEmptyCsvThrowsIAE()
{
assertThrows(IllegalArgumentException.class, () ->
{
String csv = "";
new ResourceCollection(csv); // throws IAE
});
}
@Test
public void testBlankCsvThrowsIAE()
{
assertThrows(IllegalArgumentException.class, () ->
{
String csv = ",,,,";
new ResourceCollection(csv); // throws IAE
});
}
@Test
public void testSetResourceNullThrowsISE()
{
// Create a ResourceCollection with one valid entry
Path path = MavenTestingUtils.getTargetPath();
PathResource resource = new PathResource(path);
ResourceCollection coll = new ResourceCollection(resource);
// Reset collection to invalid state
coll.setResources(null);
assertThrowIllegalStateException(coll);
}
@Test
public void testSetResourceEmptyThrowsISE()
{
// Create a ResourceCollection with one valid entry
Path path = MavenTestingUtils.getTargetPath();
PathResource resource = new PathResource(path);
ResourceCollection coll = new ResourceCollection(resource);
// Reset collection to invalid state
coll.setResources(new Resource[0]);
assertThrowIllegalStateException(coll);
}
@Test
public void testSetResourceAllNullsThrowsISE()
{
// Create a ResourceCollection with one valid entry
Path path = MavenTestingUtils.getTargetPath();
PathResource resource = new PathResource(path);
ResourceCollection coll = new ResourceCollection(resource);
// Reset collection to invalid state
assertThrows(IllegalStateException.class, () -> coll.setResources(new Resource[]{null, null, null}));
// Ensure not modified.
assertThat(coll.getResources().length, is(1));
}
private void assertThrowIllegalStateException(ResourceCollection coll)
{
assertThrows(IllegalStateException.class, () -> coll.addPath("foo"));
assertThrows(IllegalStateException.class, coll::exists);
assertThrows(IllegalStateException.class, coll::getFile);
assertThrows(IllegalStateException.class, coll::getInputStream);
assertThrows(IllegalStateException.class, coll::getReadableByteChannel);
assertThrows(IllegalStateException.class, coll::getURL);
assertThrows(IllegalStateException.class, coll::getName);
assertThrows(IllegalStateException.class, coll::isDirectory);
assertThrows(IllegalStateException.class, coll::lastModified);
assertThrows(IllegalStateException.class, coll::list);
assertThrows(IllegalStateException.class, coll::close);
assertThrows(IllegalStateException.class, () ->
{
Path destPath = workdir.getPathFile("bar");
coll.copyTo(destPath.toFile());
});
}
@Test
public void testList() throws Exception
{
ResourceCollection rc1 = new ResourceCollection(
Resource.newResource("src/test/resources/org/eclipse/jetty/util/resource/one/"),
Resource.newResource("src/test/resources/org/eclipse/jetty/util/resource/two/"),
Resource.newResource("src/test/resources/org/eclipse/jetty/util/resource/three/"));
assertThat(Arrays.asList(rc1.list()), contains("1.txt", "2.txt", "3.txt", "dir/"));
assertThat(Arrays.asList(rc1.addPath("dir").list()), contains("1.txt", "2.txt", "3.txt"));
assertThat(rc1.addPath("unknown"), nullValue());
// TODO for jetty-10 assertThat(rc1.addPath("unknown").list(), nullValue());
}
@Test
public void testMultipleSources1() throws Exception
{
ResourceCollection rc1 = new ResourceCollection(new String[]{
"src/test/resources/org/eclipse/jetty/util/resource/one/",
"src/test/resources/org/eclipse/jetty/util/resource/two/",
"src/test/resources/org/eclipse/jetty/util/resource/three/"
});
assertEquals(getContent(rc1, "1.txt"), "1 - one");
assertEquals(getContent(rc1, "2.txt"), "2 - two");
assertEquals(getContent(rc1, "3.txt"), "3 - three");
ResourceCollection rc2 = new ResourceCollection(
"src/test/resources/org/eclipse/jetty/util/resource/one/," +
"src/test/resources/org/eclipse/jetty/util/resource/two/," +
"src/test/resources/org/eclipse/jetty/util/resource/three/"
);
assertEquals(getContent(rc2, "1.txt"), "1 - one");
assertEquals(getContent(rc2, "2.txt"), "2 - two");
assertEquals(getContent(rc2, "3.txt"), "3 - three");
}
@Test
public void testMergedDir() throws Exception
{
ResourceCollection rc = new ResourceCollection(new String[]{
"src/test/resources/org/eclipse/jetty/util/resource/one/",
"src/test/resources/org/eclipse/jetty/util/resource/two/",
"src/test/resources/org/eclipse/jetty/util/resource/three/"
});
Resource r = rc.addPath("dir");
assertTrue(r instanceof ResourceCollection);
rc = (ResourceCollection)r;
assertEquals(getContent(rc, "1.txt"), "1 - one");
assertEquals(getContent(rc, "2.txt"), "2 - two");
assertEquals(getContent(rc, "3.txt"), "3 - three");
}
@Test
public void testCopyTo() throws Exception
{
ResourceCollection rc = new ResourceCollection(new String[]{
"src/test/resources/org/eclipse/jetty/util/resource/one/",
"src/test/resources/org/eclipse/jetty/util/resource/two/",
"src/test/resources/org/eclipse/jetty/util/resource/three/"
});
File dest = MavenTestingUtils.getTargetTestingDir("copyto");
FS.ensureDirExists(dest);
rc.copyTo(dest);
Resource r = Resource.newResource(dest.toURI());
assertEquals(getContent(r, "1.txt"), "1 - one");
assertEquals(getContent(r, "2.txt"), "2 - two");
assertEquals(getContent(r, "3.txt"), "3 - three");
r = r.addPath("dir");
assertEquals(getContent(r, "1.txt"), "1 - one");
assertEquals(getContent(r, "2.txt"), "2 - two");
assertEquals(getContent(r, "3.txt"), "3 - three");
IO.delete(dest);
}
static String getContent(Resource r, String path) throws Exception
{
StringBuilder buffer = new StringBuilder();
String line;
try (BufferedReader br = new BufferedReader(new InputStreamReader(r.addPath(path).getURL().openStream())))
{
while ((line = br.readLine()) != null)
{
buffer.append(line);
}
}
return buffer.toString();
}
}