Allow dependencies to be specified when compiling, using maven coords
This commit is contained in:
Andy Clement
@@ -0,0 +1,156 @@
|
||||
/*
|
||||
* Copyright 2017 the original author or authors.
|
||||
*
|
||||
* 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.springframework.cloud.function.compiler.java;
|
||||
|
||||
import static org.junit.Assert.assertEquals;
|
||||
import static org.junit.Assert.assertTrue;
|
||||
|
||||
import java.io.File;
|
||||
import java.util.List;
|
||||
import java.util.function.Supplier;
|
||||
|
||||
import org.junit.Test;
|
||||
|
||||
/**
|
||||
* @author Andy Clement
|
||||
*/
|
||||
@SuppressWarnings("unchecked")
|
||||
public class RuntimeJavaCompilerTests {
|
||||
|
||||
@Test
|
||||
public void basicCompilation() {
|
||||
RuntimeJavaCompiler rjc = new RuntimeJavaCompiler();
|
||||
CompilationResult cr = rjc.compile("A", "public class A {}");
|
||||
List<CompilationMessage> compilationMessages = cr.getCompilationMessages();
|
||||
assertTrue(compilationMessages.isEmpty());
|
||||
}
|
||||
|
||||
@Test
|
||||
public void missingType() throws Exception {
|
||||
RuntimeJavaCompiler rjc = new RuntimeJavaCompiler();
|
||||
CompilationResult cr = rjc.compile("A",
|
||||
"public class A implements java.util.function.Supplier { "+
|
||||
" public String get() {\n"+
|
||||
" ExpressionParser parser = new SpelExpressionParser();\n" +
|
||||
" Expression exp = parser.parseExpression(\"'Hello World'\");\n" +
|
||||
" String message = (String) exp.getValue();"+
|
||||
" return message;\n"+
|
||||
" }\n"+
|
||||
"}");
|
||||
List<CompilationMessage> compilationMessages = cr.getCompilationMessages();
|
||||
assertEquals(3,compilationMessages.size());
|
||||
assertTrue(compilationMessages.get(0).getMessage().contains("cannot find symbol"));
|
||||
assertTrue(compilationMessages.get(0).getMessage().contains("class ExpressionParser"));
|
||||
assertTrue(compilationMessages.get(1).getMessage().contains("cannot find symbol"));
|
||||
assertTrue(compilationMessages.get(1).getMessage().contains("class SpelExpressionParser"));
|
||||
assertTrue(compilationMessages.get(2).getMessage().contains("cannot find symbol"));
|
||||
assertTrue(compilationMessages.get(2).getMessage().contains("class Expression"));
|
||||
}
|
||||
|
||||
@Test
|
||||
public void okWithImportedDependencies() throws Exception {
|
||||
RuntimeJavaCompiler rjc = new RuntimeJavaCompiler();
|
||||
CompilationResult cr = rjc.compile("A",
|
||||
"import org.springframework.expression.*;\n"+
|
||||
"import org.springframework.expression.spel.standard.*;\n"+
|
||||
"public class A implements java.util.function.Supplier {\n"+
|
||||
" public String get() {\n"+
|
||||
" ExpressionParser parser = new SpelExpressionParser();\n" +
|
||||
" Expression exp = parser.parseExpression(\"'Hello World'\");\n" +
|
||||
" String message = (String) exp.getValue();\n"+
|
||||
" return message;\n"+
|
||||
" }\n"+
|
||||
"}","maven://org.springframework:spring-expression:4.3.9.RELEASE");
|
||||
List<CompilationMessage> compilationMessages = cr.getCompilationMessages();
|
||||
assertTrue(compilationMessages.isEmpty());
|
||||
try (SimpleClassLoader cl = new SimpleClassLoader(this.getClass().getClassLoader())) {
|
||||
Class<?> clazz = cl.defineClass("A",cr.getClassBytes("A"));
|
||||
Supplier<String> supplier = (Supplier<String>) clazz.newInstance();
|
||||
assertEquals("Hello World",supplier.get());
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void okWithImportedDependencies2() throws Exception {
|
||||
RuntimeJavaCompiler rjc = new RuntimeJavaCompiler();
|
||||
String source =
|
||||
"import org.joda.time.*;\n"+
|
||||
"public class A implements java.util.function.Supplier {\n"+
|
||||
" public String get() {\n"+
|
||||
" DateTime dt = new DateTime();\n" +
|
||||
" int month = dt.getMonthOfYear();\n"+
|
||||
" return String.valueOf(month>0);\n"+
|
||||
" }\n"+
|
||||
"}";
|
||||
CompilationResult cr = rjc.compile("A", source, "maven://joda-time:joda-time:2.9.9");
|
||||
List<CompilationMessage> compilationMessages = cr.getCompilationMessages();
|
||||
assertTrue(compilationMessages.isEmpty());
|
||||
List<File> resolvedAdditionalDependencies = cr.getResolvedAdditionalDependencies();
|
||||
try (SimpleClassLoader cl = new SimpleClassLoader(resolvedAdditionalDependencies, this.getClass().getClassLoader())) {
|
||||
Class<?> clazz = cl.defineClass("A",cr.getClassBytes("A"));
|
||||
Supplier<String> supplier = (Supplier<String>) clazz.newInstance();
|
||||
assertEquals("true",supplier.get());
|
||||
}
|
||||
|
||||
cr = rjc.compile("A", source,
|
||||
"maven://org.springframework:spring-expression:4.3.9.RELEASE",
|
||||
"maven://joda-time:joda-time:2.9.9");
|
||||
compilationMessages = cr.getCompilationMessages();
|
||||
assertTrue(compilationMessages.isEmpty());
|
||||
resolvedAdditionalDependencies = cr.getResolvedAdditionalDependencies();
|
||||
try (SimpleClassLoader cl = new SimpleClassLoader(resolvedAdditionalDependencies, this.getClass().getClassLoader())) {
|
||||
Class<?> clazz = cl.defineClass("A",cr.getClassBytes("A"));
|
||||
Supplier<String> supplier = (Supplier<String>) clazz.newInstance();
|
||||
assertEquals("true",supplier.get());
|
||||
}
|
||||
}
|
||||
|
||||
@Test
|
||||
public void dependencyResolution() throws Exception {
|
||||
// Failure:
|
||||
RuntimeJavaCompiler rjc = new RuntimeJavaCompiler();
|
||||
CompilationResult cr = rjc.compile("A",
|
||||
"public class A {}",
|
||||
"maven://org.springframework:spring-expression2:4.3.9.RELEASE"); // extra '2' in there
|
||||
List<CompilationMessage> compilationMessages = cr.getCompilationMessages();
|
||||
assertEquals(1,compilationMessages.size());
|
||||
// ERROR:org.eclipse.aether.resolution.ArtifactResolutionException: Could not find artifact org.springframework:spring-expression2:jar:4.3.9.RELEASE in spring-snapshots (https://repo.spring.io/libs-snapshot)
|
||||
assertTrue(compilationMessages.get(0).getMessage().contains("Could not find artifact org.springframework:spring-expression2:jar:4.3.9.RELEASE"));
|
||||
|
||||
// Failure:
|
||||
rjc = new RuntimeJavaCompiler();
|
||||
cr = rjc.compile("A",
|
||||
"public class A {}",
|
||||
"trouble://org.springframework:spring-expression:4.3.9.RELEASE"); // rogue prefix (should be "maven:")
|
||||
compilationMessages = cr.getCompilationMessages();
|
||||
assertEquals(1,compilationMessages.size());
|
||||
assertTrue(compilationMessages.get(0).toString(),compilationMessages.get(0).getMessage().contains("Unrecognized dependency: "));
|
||||
|
||||
// Success
|
||||
rjc = new RuntimeJavaCompiler();
|
||||
cr = rjc.compile("A",
|
||||
"public class A {}",
|
||||
"maven://joda-time:joda-time:2.9.9");
|
||||
compilationMessages = cr.getCompilationMessages();
|
||||
assertEquals(0,compilationMessages.size());
|
||||
List<File> resolvedAdditionalDependencies = cr.getResolvedAdditionalDependencies();
|
||||
assertEquals(1, resolvedAdditionalDependencies.size());
|
||||
assertTrue("Expected this to end with 'joda-time-2.9.9.jar': "+resolvedAdditionalDependencies.get(0).toString(),
|
||||
resolvedAdditionalDependencies.get(0).toString().endsWith("joda-time-2.9.9.jar"));
|
||||
}
|
||||
|
||||
}
|
||||
Reference in New Issue
Block a user