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ConfigurationTest.java
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ConfigurationTest.java
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/*
* Copyright (c) 2014, 2020, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/**
* @test
* @library /test/lib
* @modules java.base/jdk.internal.access
* java.base/jdk.internal.module
* @build ConfigurationTest
* jdk.test.lib.util.ModuleUtils
* @run testng ConfigurationTest
* @summary Basic tests for java.lang.module.Configuration
*/
import java.io.IOException;
import java.io.OutputStream;
import java.lang.module.Configuration;
import java.lang.module.FindException;
import java.lang.module.ModuleDescriptor;
import java.lang.module.ModuleDescriptor.Requires;
import java.lang.module.ModuleFinder;
import java.lang.module.ResolutionException;
import java.lang.module.ResolvedModule;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.List;
import java.util.Set;
import jdk.test.lib.util.ModuleUtils;
import jdk.internal.access.SharedSecrets;
import jdk.internal.module.ModuleInfoWriter;
import jdk.internal.module.ModuleTarget;
import org.testng.annotations.DataProvider;
import org.testng.annotations.Test;
import static org.testng.Assert.*;
@Test
public class ConfigurationTest {
/**
* Creates a "non-strict" builder for building a module. This allows the
* test the create ModuleDescriptor objects that do not require java.base.
*/
private static ModuleDescriptor.Builder newBuilder(String mn) {
return SharedSecrets.getJavaLangModuleAccess()
.newModuleBuilder(mn, false, Set.of());
}
/**
* Basic test of resolver
* m1 requires m2, m2 requires m3
*/
public void testBasic() {
ModuleDescriptor descriptor1 = newBuilder("m1")
.requires("m2")
.build();
ModuleDescriptor descriptor2 = newBuilder("m2")
.requires("m3")
.build();
ModuleDescriptor descriptor3 = newBuilder("m3")
.build();
ModuleFinder finder
= ModuleUtils.finderOf(descriptor1, descriptor2, descriptor3);
Configuration cf = resolve(finder, "m1");
assertTrue(cf.modules().size() == 3);
assertTrue(cf.findModule("m1").isPresent());
assertTrue(cf.findModule("m2").isPresent());
assertTrue(cf.findModule("m3").isPresent());
assertTrue(cf.parents().size() == 1);
assertTrue(cf.parents().get(0) == Configuration.empty());
ResolvedModule m1 = cf.findModule("m1").get();
ResolvedModule m2 = cf.findModule("m2").get();
ResolvedModule m3 = cf.findModule("m3").get();
// m1 reads m2
assertTrue(m1.reads().size() == 1);
assertTrue(m1.reads().contains(m2));
// m2 reads m3
assertTrue(m2.reads().size() == 1);
assertTrue(m2.reads().contains(m3));
// m3 reads nothing
assertTrue(m3.reads().size() == 0);
// toString
assertTrue(cf.toString().contains("m1"));
assertTrue(cf.toString().contains("m2"));
assertTrue(cf.toString().contains("m3"));
}
/**
* Basic test of "requires transitive":
* m1 requires m2, m2 requires transitive m3
*/
public void testRequiresTransitive1() {
// m1 requires m2, m2 requires transitive m3
ModuleDescriptor descriptor1 = newBuilder("m1")
.requires("m2")
.build();
ModuleDescriptor descriptor2 = newBuilder("m2")
.requires(Set.of(Requires.Modifier.TRANSITIVE), "m3")
.build();
ModuleDescriptor descriptor3 = newBuilder("m3")
.build();
ModuleFinder finder
= ModuleUtils.finderOf(descriptor1, descriptor2, descriptor3);
Configuration cf = resolve(finder, "m1");
assertTrue(cf.modules().size() == 3);
assertTrue(cf.findModule("m1").isPresent());
assertTrue(cf.findModule("m2").isPresent());
assertTrue(cf.findModule("m3").isPresent());
assertTrue(cf.parents().size() == 1);
assertTrue(cf.parents().get(0) == Configuration.empty());
ResolvedModule m1 = cf.findModule("m1").get();
ResolvedModule m2 = cf.findModule("m2").get();
ResolvedModule m3 = cf.findModule("m3").get();
// m1 reads m2 and m3
assertTrue(m1.reads().size() == 2);
assertTrue(m1.reads().contains(m2));
assertTrue(m1.reads().contains(m3));
// m2 reads m3
assertTrue(m2.reads().size() == 1);
assertTrue(m2.reads().contains(m3));
// m3 reads nothing
assertTrue(m3.reads().size() == 0);
}
/**
* Basic test of "requires transitive" with configurations.
*
* The test consists of three configurations:
* - Configuration cf1: m1, m2 requires transitive m1
* - Configuration cf2: m3 requires m2
*/
public void testRequiresTransitive2() {
// cf1: m1 and m2, m2 requires transitive m1
ModuleDescriptor descriptor1 = newBuilder("m1")
.build();
ModuleDescriptor descriptor2 = newBuilder("m2")
.requires(Set.of(Requires.Modifier.TRANSITIVE), "m1")
.build();
ModuleFinder finder1 = ModuleUtils.finderOf(descriptor1, descriptor2);
Configuration cf1 = resolve(finder1, "m2");
assertTrue(cf1.modules().size() == 2);
assertTrue(cf1.findModule("m1").isPresent());
assertTrue(cf1.findModule("m2").isPresent());
assertTrue(cf1.parents().size() == 1);
assertTrue(cf1.parents().get(0) == Configuration.empty());
ResolvedModule m1 = cf1.findModule("m1").get();
ResolvedModule m2 = cf1.findModule("m2").get();
assertTrue(m1.reads().size() == 0);
assertTrue(m2.reads().size() == 1);
assertTrue(m2.reads().contains(m1));
// cf2: m3, m3 requires m2
ModuleDescriptor descriptor3 = newBuilder("m3")
.requires("m2")
.build();
ModuleFinder finder2 = ModuleUtils.finderOf(descriptor3);
Configuration cf2 = resolve(cf1, finder2, "m3");
assertTrue(cf2.modules().size() == 1);
assertTrue(cf2.findModule("m1").isPresent()); // in parent
assertTrue(cf2.findModule("m2").isPresent()); // in parent
assertTrue(cf2.findModule("m3").isPresent());
assertTrue(cf2.parents().size() == 1);
assertTrue(cf2.parents().get(0) == cf1);
ResolvedModule m3 = cf2.findModule("m3").get();
assertTrue(m3.configuration() == cf2);
assertTrue(m3.reads().size() == 2);
assertTrue(m3.reads().contains(m1));
assertTrue(m3.reads().contains(m2));
}
/**
* Basic test of "requires transitive" with configurations.
*
* The test consists of three configurations:
* - Configuration cf1: m1
* - Configuration cf2: m2 requires transitive m1, m3 requires m2
*/
public void testRequiresTransitive3() {
// cf1: m1
ModuleDescriptor descriptor1 = newBuilder("m1").build();
ModuleFinder finder1 = ModuleUtils.finderOf(descriptor1);
Configuration cf1 = resolve(finder1, "m1");
assertTrue(cf1.modules().size() == 1);
assertTrue(cf1.findModule("m1").isPresent());
assertTrue(cf1.parents().size() == 1);
assertTrue(cf1.parents().get(0) == Configuration.empty());
ResolvedModule m1 = cf1.findModule("m1").get();
assertTrue(m1.reads().size() == 0);
// cf2: m2, m3: m2 requires transitive m1, m3 requires m2
ModuleDescriptor descriptor2 = newBuilder("m2")
.requires(Set.of(Requires.Modifier.TRANSITIVE), "m1")
.build();
ModuleDescriptor descriptor3 = newBuilder("m3")
.requires("m2")
.build();
ModuleFinder finder2 = ModuleUtils.finderOf(descriptor2, descriptor3);
Configuration cf2 = resolve(cf1, finder2, "m3");
assertTrue(cf2.modules().size() == 2);
assertTrue(cf2.findModule("m1").isPresent()); // in parent
assertTrue(cf2.findModule("m2").isPresent());
assertTrue(cf2.findModule("m3").isPresent());
assertTrue(cf2.parents().size() == 1);
assertTrue(cf2.parents().get(0) == cf1);
ResolvedModule m2 = cf2.findModule("m2").get();
ResolvedModule m3 = cf2.findModule("m3").get();
assertTrue(m2.configuration() == cf2);
assertTrue(m2.reads().size() == 1);
assertTrue(m2.reads().contains(m1));
assertTrue(m3.configuration() == cf2);
assertTrue(m3.reads().size() == 2);
assertTrue(m3.reads().contains(m1));
assertTrue(m3.reads().contains(m2));
}
/**
* Basic test of "requires transitive" with configurations.
*
* The test consists of three configurations:
* - Configuration cf1: m1
* - Configuration cf2: m2 requires transitive m1
* - Configuraiton cf3: m3 requires m2
*/
public void testRequiresTransitive4() {
// cf1: m1
ModuleDescriptor descriptor1 = newBuilder("m1").build();
ModuleFinder finder1 = ModuleUtils.finderOf(descriptor1);
Configuration cf1 = resolve(finder1, "m1");
assertTrue(cf1.modules().size() == 1);
assertTrue(cf1.findModule("m1").isPresent());
assertTrue(cf1.parents().size() == 1);
assertTrue(cf1.parents().get(0) == Configuration.empty());
ResolvedModule m1 = cf1.findModule("m1").get();
assertTrue(m1.reads().size() == 0);
// cf2: m2 requires transitive m1
ModuleDescriptor descriptor2 = newBuilder("m2")
.requires(Set.of(Requires.Modifier.TRANSITIVE), "m1")
.build();
ModuleFinder finder2 = ModuleUtils.finderOf(descriptor2);
Configuration cf2 = resolve(cf1, finder2, "m2");
assertTrue(cf2.modules().size() == 1);
assertTrue(cf2.findModule("m1").isPresent()); // in parent
assertTrue(cf2.findModule("m2").isPresent());
assertTrue(cf2.parents().size() == 1);
assertTrue(cf2.parents().get(0) == cf1);
ResolvedModule m2 = cf2.findModule("m2").get();
assertTrue(m2.configuration() == cf2);
assertTrue(m2.reads().size() == 1);
assertTrue(m2.reads().contains(m1));
// cf3: m3 requires m2
ModuleDescriptor descriptor3 = newBuilder("m3")
.requires("m2")
.build();
ModuleFinder finder3 = ModuleUtils.finderOf(descriptor3);
Configuration cf3 = resolve(cf2, finder3, "m3");
assertTrue(cf3.modules().size() == 1);
assertTrue(cf3.findModule("m1").isPresent()); // in parent
assertTrue(cf3.findModule("m2").isPresent()); // in parent
assertTrue(cf3.findModule("m3").isPresent());
assertTrue(cf3.parents().size() == 1);
assertTrue(cf3.parents().get(0) == cf2);
ResolvedModule m3 = cf3.findModule("m3").get();
assertTrue(m3.configuration() == cf3);
assertTrue(m3.reads().size() == 2);
assertTrue(m3.reads().contains(m1));
assertTrue(m3.reads().contains(m2));
}
/**
* Basic test of "requires transitive" with configurations.
*
* The test consists of two configurations:
* - Configuration cf1: m1, m2 requires transitive m1
* - Configuration cf2: m3 requires transitive m2, m4 requires m3
*/
public void testRequiresTransitive5() {
// cf1: m1, m2 requires transitive m1
ModuleDescriptor descriptor1 = newBuilder("m1")
.build();
ModuleDescriptor descriptor2 = newBuilder("m2")
.requires(Set.of(Requires.Modifier.TRANSITIVE), "m1")
.build();
ModuleFinder finder1 = ModuleUtils.finderOf(descriptor1, descriptor2);
Configuration cf1 = resolve(finder1, "m2");
assertTrue(cf1.modules().size() == 2);
assertTrue(cf1.findModule("m1").isPresent());
assertTrue(cf1.findModule("m2").isPresent());
assertTrue(cf1.parents().size() == 1);
assertTrue(cf1.parents().get(0) == Configuration.empty());
ResolvedModule m1 = cf1.findModule("m1").get();
ResolvedModule m2 = cf1.findModule("m2").get();
assertTrue(m1.configuration() == cf1);
assertTrue(m1.reads().size() == 0);
assertTrue(m2.configuration() == cf1);
assertTrue(m2.reads().size() == 1);
assertTrue(m2.reads().contains(m1));
// cf2: m3 requires transitive m2, m4 requires m3
ModuleDescriptor descriptor3 = newBuilder("m3")
.requires(Set.of(Requires.Modifier.TRANSITIVE), "m2")
.build();
ModuleDescriptor descriptor4 = newBuilder("m4")
.requires("m3")
.build();
ModuleFinder finder2 = ModuleUtils.finderOf(descriptor3, descriptor4);
Configuration cf2 = resolve(cf1, finder2, "m3", "m4");
assertTrue(cf2.modules().size() == 2);
assertTrue(cf2.findModule("m1").isPresent()); // in parent
assertTrue(cf2.findModule("m2").isPresent()); // in parent
assertTrue(cf2.findModule("m3").isPresent());
assertTrue(cf2.findModule("m4").isPresent());
assertTrue(cf2.parents().size() == 1);
assertTrue(cf2.parents().get(0) == cf1);
ResolvedModule m3 = cf2.findModule("m3").get();
ResolvedModule m4 = cf2.findModule("m4").get();
assertTrue(m3.configuration() == cf2);
assertTrue(m3.reads().size() == 2);
assertTrue(m3.reads().contains(m1));
assertTrue(m3.reads().contains(m2));
assertTrue(m4.configuration() == cf2);
assertTrue(m4.reads().size() == 3);
assertTrue(m4.reads().contains(m1));
assertTrue(m4.reads().contains(m2));
assertTrue(m4.reads().contains(m3));
}
/**
* Basic test of "requires static":
* m1 requires static m2
* m2 is not observable
* resolve m1
*/
public void testRequiresStatic1() {
ModuleDescriptor descriptor1 = newBuilder("m1")
.requires(Set.of(Requires.Modifier.STATIC), "m2")
.build();
ModuleFinder finder = ModuleUtils.finderOf(descriptor1);
Configuration cf = resolve(finder, "m1");
assertTrue(cf.modules().size() == 1);
ResolvedModule m1 = cf.findModule("m1").get();
assertTrue(m1.reads().size() == 0);
}
/**
* Basic test of "requires static":
* m1 requires static m2
* m2
* resolve m1
*/
public void testRequiresStatic2() {
ModuleDescriptor descriptor1 = newBuilder("m1")
.requires(Set.of(Requires.Modifier.STATIC), "m2")
.build();
ModuleDescriptor descriptor2 = newBuilder("m2")
.build();
ModuleFinder finder = ModuleUtils.finderOf(descriptor1, descriptor2);
Configuration cf = resolve(finder, "m1");
assertTrue(cf.modules().size() == 1);
ResolvedModule m1 = cf.findModule("m1").get();
assertTrue(m1.reads().size() == 0);
}
/**
* Basic test of "requires static":
* m1 requires static m2
* m2
* resolve m1, m2
*/
public void testRequiresStatic3() {
ModuleDescriptor descriptor1 = newBuilder("m1")
.requires(Set.of(Requires.Modifier.STATIC), "m2")
.build();
ModuleDescriptor descriptor2 = newBuilder("m2")
.build();
ModuleFinder finder = ModuleUtils.finderOf(descriptor1, descriptor2);
Configuration cf = resolve(finder, "m1", "m2");
assertTrue(cf.modules().size() == 2);
ResolvedModule m1 = cf.findModule("m1").get();
ResolvedModule m2 = cf.findModule("m2").get();
assertTrue(m1.reads().size() == 1);
assertTrue(m1.reads().contains(m2));
assertTrue(m2.reads().size() == 0);
}
/**
* Basic test of "requires static":
* m1 requires m2, m3
* m2 requires static m2
* m3
*/
public void testRequiresStatic4() {
ModuleDescriptor descriptor1 = newBuilder("m1")
.requires("m2")
.requires("m3")
.build();
ModuleDescriptor descriptor2 = newBuilder("m2")
.requires(Set.of(Requires.Modifier.STATIC), "m3")
.build();
ModuleDescriptor descriptor3 = newBuilder("m3")
.build();
ModuleFinder finder
= ModuleUtils.finderOf(descriptor1, descriptor2, descriptor3);
Configuration cf = resolve(finder, "m1");
assertTrue(cf.modules().size() == 3);
ResolvedModule m1 = cf.findModule("m1").get();
ResolvedModule m2 = cf.findModule("m2").get();
ResolvedModule m3 = cf.findModule("m3").get();
assertTrue(m1.reads().size() == 2);
assertTrue(m1.reads().contains(m2));
assertTrue(m1.reads().contains(m3));
assertTrue(m2.reads().size() == 1);
assertTrue(m2.reads().contains(m3));
assertTrue(m3.reads().size() == 0);
}
/**
* Basic test of "requires static":
* The test consists of three configurations:
* - Configuration cf1: m1, m2
* - Configuration cf2: m3 requires m1, requires static m2
*/
public void testRequiresStatic5() {
ModuleDescriptor descriptor1 = newBuilder("m1")
.build();
ModuleDescriptor descriptor2 = newBuilder("m2")
.build();
ModuleFinder finder1 = ModuleUtils.finderOf(descriptor1, descriptor2);
Configuration cf1 = resolve(finder1, "m1", "m2");
assertTrue(cf1.modules().size() == 2);
assertTrue(cf1.findModule("m1").isPresent());
assertTrue(cf1.findModule("m2").isPresent());
ModuleDescriptor descriptor3 = newBuilder("m3")
.requires("m1")
.requires(Set.of(Requires.Modifier.STATIC), "m2")
.build();
ModuleFinder finder2 = ModuleUtils.finderOf(descriptor3);
Configuration cf2 = resolve(cf1, finder2, "m3");
assertTrue(cf2.modules().size() == 1);
assertTrue(cf2.findModule("m3").isPresent());
ResolvedModule m1 = cf1.findModule("m1").get();
ResolvedModule m2 = cf1.findModule("m2").get();
ResolvedModule m3 = cf2.findModule("m3").get();
assertTrue(m3.reads().size() == 2);
assertTrue(m3.reads().contains(m1));
assertTrue(m3.reads().contains(m2));
}
/**
* Basic test of "requires static":
* The test consists of three configurations:
* - Configuration cf1: m1
* - Configuration cf2: m3 requires m1, requires static m2
*/
public void testRequiresStatic6() {
ModuleDescriptor descriptor1 = newBuilder("m1")
.build();
ModuleFinder finder1 = ModuleUtils.finderOf(descriptor1);
Configuration cf1 = resolve(finder1, "m1");
assertTrue(cf1.modules().size() == 1);
assertTrue(cf1.findModule("m1").isPresent());
ModuleDescriptor descriptor3 = newBuilder("m3")
.requires("m1")
.requires(Set.of(Requires.Modifier.STATIC), "m2")
.build();
ModuleFinder finder2 = ModuleUtils.finderOf(descriptor3);
Configuration cf2 = resolve(cf1, finder2, "m3");
assertTrue(cf2.modules().size() == 1);
assertTrue(cf2.findModule("m3").isPresent());
ResolvedModule m1 = cf1.findModule("m1").get();
ResolvedModule m3 = cf2.findModule("m3").get();
assertTrue(m3.reads().size() == 1);
assertTrue(m3.reads().contains(m1));
}
/**
* Basic test of "requires static":
* (m1 not observable)
* m2 requires transitive static m1
* m3 requires m2
*/
public void testRequiresStatic7() {
ModuleDescriptor descriptor1 = null; // not observable
ModuleDescriptor descriptor2 = newBuilder("m2")
.requires(Set.of(Requires.Modifier.TRANSITIVE,
Requires.Modifier.STATIC),
"m1")
.build();
ModuleDescriptor descriptor3 = newBuilder("m3")
.requires("m2")
.build();
ModuleFinder finder = ModuleUtils.finderOf(descriptor2, descriptor3);
Configuration cf = resolve(finder, "m3");
assertTrue(cf.modules().size() == 2);
assertTrue(cf.findModule("m2").isPresent());
assertTrue(cf.findModule("m3").isPresent());
ResolvedModule m2 = cf.findModule("m2").get();
ResolvedModule m3 = cf.findModule("m3").get();
assertTrue(m2.reads().isEmpty());
assertTrue(m3.reads().size() == 1);
assertTrue(m3.reads().contains(m2));
}
/**
* Basic test of "requires static":
* - Configuration cf1: m2 requires transitive static m1
* - Configuration cf2: m3 requires m2
*/
public void testRequiresStatic8() {
ModuleDescriptor descriptor1 = null; // not observable
ModuleDescriptor descriptor2 = newBuilder("m2")
.requires(Set.of(Requires.Modifier.TRANSITIVE,
Requires.Modifier.STATIC),
"m1")
.build();
ModuleFinder finder1 = ModuleUtils.finderOf(descriptor2);
Configuration cf1 = resolve(finder1, "m2");
assertTrue(cf1.modules().size() == 1);
assertTrue(cf1.findModule("m2").isPresent());
ResolvedModule m2 = cf1.findModule("m2").get();
assertTrue(m2.reads().isEmpty());
ModuleDescriptor descriptor3 = newBuilder("m3")
.requires("m2")
.build();
ModuleFinder finder2 = ModuleUtils.finderOf(descriptor3);
Configuration cf2 = resolve(cf1, finder2, "m3");
assertTrue(cf2.modules().size() == 1);
assertTrue(cf2.findModule("m3").isPresent());
ResolvedModule m3 = cf2.findModule("m3").get();
assertTrue(m3.reads().size() == 1);
assertTrue(m3.reads().contains(m2));
}
/**
* Basic test of binding services
* m1 uses p.S
* m2 provides p.S
*/
public void testServiceBinding1() {
ModuleDescriptor descriptor1 = newBuilder("m1")
.exports("p")
.uses("p.S")
.build();
ModuleDescriptor descriptor2 = newBuilder("m2")
.requires("m1")
.provides("p.S", List.of("q.T"))
.build();
ModuleFinder finder = ModuleUtils.finderOf(descriptor1, descriptor2);
Configuration cf = resolveAndBind(finder, "m1");
assertTrue(cf.modules().size() == 2);
assertTrue(cf.findModule("m1").isPresent());
assertTrue(cf.findModule("m2").isPresent());
assertTrue(cf.parents().size() == 1);
assertTrue(cf.parents().get(0) == Configuration.empty());
ResolvedModule m1 = cf.findModule("m1").get();
ResolvedModule m2 = cf.findModule("m2").get();
assertTrue(m1.configuration() == cf);
assertTrue(m1.reads().size() == 0);
assertTrue(m2.configuration() == cf);
assertTrue(m2.reads().size() == 1);
assertTrue(m2.reads().contains(m1));
}
/**
* Basic test of binding services
* m1 uses p.S1
* m2 provides p.S1, m2 uses p.S2
* m3 provides p.S2
*/
public void testServiceBinding2() {
ModuleDescriptor descriptor1 = newBuilder("m1")
.exports("p")
.uses("p.S1")
.build();
ModuleDescriptor descriptor2 = newBuilder("m2")
.requires("m1")
.uses("p.S2")
.provides("p.S1", List.of("q.Service1Impl"))
.build();
ModuleDescriptor descriptor3 = newBuilder("m3")
.requires("m1")
.provides("p.S2", List.of("q.Service2Impl"))
.build();
ModuleFinder finder
= ModuleUtils.finderOf(descriptor1, descriptor2, descriptor3);
Configuration cf = resolveAndBind(finder, "m1");
assertTrue(cf.modules().size() == 3);
assertTrue(cf.findModule("m1").isPresent());
assertTrue(cf.findModule("m2").isPresent());
assertTrue(cf.findModule("m3").isPresent());
assertTrue(cf.parents().size() == 1);
assertTrue(cf.parents().get(0) == Configuration.empty());
ResolvedModule m1 = cf.findModule("m1").get();
ResolvedModule m2 = cf.findModule("m2").get();
ResolvedModule m3 = cf.findModule("m3").get();
assertTrue(m1.configuration() == cf);
assertTrue(m1.reads().size() == 0);
assertTrue(m2.configuration() == cf);
assertTrue(m2.reads().size() == 1);
assertTrue(m2.reads().contains(m1));
assertTrue(m3.configuration() == cf);
assertTrue(m3.reads().size() == 1);
assertTrue(m3.reads().contains(m1));
}
/**
* Basic test of binding services with configurations.
*
* The test consists of two configurations:
* - Configuration cf1: m1 uses p.S
* - Configuration cf2: m2 provides p.S
*/
public void testServiceBindingWithConfigurations1() {
ModuleDescriptor descriptor1 = newBuilder("m1")
.exports("p")
.uses("p.S")
.build();
ModuleFinder finder1 = ModuleUtils.finderOf(descriptor1);
Configuration cf1 = resolve(finder1, "m1");
assertTrue(cf1.modules().size() == 1);
assertTrue(cf1.findModule("m1").isPresent());
ModuleDescriptor descriptor2 = newBuilder("m2")
.requires("m1")
.provides("p.S", List.of("q.T"))
.build();
ModuleFinder finder2 = ModuleUtils.finderOf(descriptor2);
Configuration cf2 = resolveAndBind(cf1, finder2); // no roots
assertTrue(cf2.parents().size() == 1);
assertTrue(cf2.parents().get(0) == cf1);
assertTrue(cf2.modules().size() == 1);
assertTrue(cf2.findModule("m2").isPresent());
ResolvedModule m1 = cf1.findModule("m1").get();
ResolvedModule m2 = cf2.findModule("m2").get();
assertTrue(m2.reads().size() == 1);
assertTrue(m2.reads().contains(m1));
}
/**
* Basic test of binding services with configurations.
*
* The test consists of two configurations:
* - Configuration cf1: m1 uses p.S && provides p.S,
* m2 provides p.S
* - Configuration cf2: m3 provides p.S
* m4 provides p.S
*/
public void testServiceBindingWithConfigurations2() {
ModuleDescriptor descriptor1 = newBuilder("m1")
.exports("p")
.uses("p.S")
.provides("p.S", List.of("p1.ServiceImpl"))
.build();
ModuleDescriptor descriptor2 = newBuilder("m2")
.requires("m1")
.provides("p.S", List.of("p2.ServiceImpl"))
.build();
ModuleFinder finder1 = ModuleUtils.finderOf(descriptor1, descriptor2);
Configuration cf1 = resolveAndBind(finder1, "m1");
assertTrue(cf1.modules().size() == 2);
assertTrue(cf1.findModule("m1").isPresent());
assertTrue(cf1.findModule("m2").isPresent());
ModuleDescriptor descriptor3 = newBuilder("m3")
.requires("m1")
.provides("p.S", List.of("p3.ServiceImpl"))
.build();
ModuleDescriptor descriptor4 = newBuilder("m4")
.requires("m1")
.provides("p.S", List.of("p4.ServiceImpl"))
.build();
ModuleFinder finder2 = ModuleUtils.finderOf(descriptor3, descriptor4);
Configuration cf2 = resolveAndBind(cf1, finder2); // no roots
assertTrue(cf2.parents().size() == 1);
assertTrue(cf2.parents().get(0) == cf1);
assertTrue(cf2.modules().size() == 2);
assertTrue(cf2.findModule("m3").isPresent());
assertTrue(cf2.findModule("m4").isPresent());
ResolvedModule m1 = cf2.findModule("m1").get(); // should find in parent
ResolvedModule m2 = cf2.findModule("m2").get();
ResolvedModule m3 = cf2.findModule("m3").get();
ResolvedModule m4 = cf2.findModule("m4").get();
assertTrue(m1.reads().size() == 0);
assertTrue(m2.reads().size() == 1);
assertTrue(m2.reads().contains(m1));
assertTrue(m3.reads().size() == 1);
assertTrue(m3.reads().contains(m1));
assertTrue(m4.reads().size() == 1);
assertTrue(m4.reads().contains(m1));
}
/**
* Basic test of binding services with configurations.
*
* Configuration cf1: p@1.0 provides p.S
* Test configuration cf2: m1 uses p.S, p@2.0 provides p.S
* Test configuration cf2: m1 uses p.S
*/
public void testServiceBindingWithConfigurations3() {
ModuleDescriptor service = newBuilder("s")
.exports("p")
.build();
ModuleDescriptor provider_v1 = newBuilder("p")
.version("1.0")
.requires("s")
.provides("p.S", List.of("q.T"))
.build();
ModuleFinder finder1 = ModuleUtils.finderOf(service, provider_v1);
Configuration cf1 = resolve(finder1, "p");
assertTrue(cf1.modules().size() == 2);
assertTrue(cf1.findModule("s").isPresent());
assertTrue(cf1.findModule("p").isPresent());
// p@1.0 in cf1
ResolvedModule p = cf1.findModule("p").get();
assertEquals(p.reference().descriptor(), provider_v1);
ModuleDescriptor descriptor1 = newBuilder("m1")
.requires("s")
.uses("p.S")
.build();
ModuleDescriptor provider_v2 = newBuilder("p")
.version("2.0")
.requires("s")
.provides("p.S", List.of("q.T"))
.build();
ModuleFinder finder2 = ModuleUtils.finderOf(descriptor1, provider_v2);
// finder2 is the before ModuleFinder and so p@2.0 should be located
Configuration cf2 = resolveAndBind(cf1, finder2, "m1");
assertTrue(cf2.parents().size() == 1);
assertTrue(cf2.parents().get(0) == cf1);
assertTrue(cf2.modules().size() == 2);
// p should be found in cf2
p = cf2.findModule("p").get();
assertTrue(p.configuration() == cf2);
assertEquals(p.reference().descriptor(), provider_v2);
// finder2 is the after ModuleFinder and so p@2.0 should not be located
// as module p is in parent configuration.
cf2 = resolveAndBind(cf1, ModuleFinder.of(), finder2, "m1");
assertTrue(cf2.parents().size() == 1);
assertTrue(cf2.parents().get(0) == cf1);
assertTrue(cf2.modules().size() == 1);
// p should be found in cf1
p = cf2.findModule("p").get();
assertTrue(p.configuration() == cf1);
assertEquals(p.reference().descriptor(), provider_v1);
}