ipojo/manipulator/manipulator-it/ipojo-manipulator-manipulation-metadata-test/src/test/java/org/apache/felix/ipojo/runtime/core/TestManipulationMetadata.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.apache.felix.ipojo.runtime.core;

import org.apache.felix.ipojo.metadata.Element;
import org.apache.felix.ipojo.parser.ManifestMetadataParser;
import org.apache.felix.ipojo.parser.ParseException;
import org.apache.felix.ipojo.parser.ParseUtils;
import org.apache.felix.ipojo.runtime.core.services.BarService;
import org.apache.felix.ipojo.runtime.core.services.FooService;
import org.junit.Assert;
import org.junit.Test;
import org.ow2.chameleon.testing.helpers.BaseTest;

import static junit.framework.Assert.assertEquals;
import static junit.framework.Assert.assertNotNull;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.fail;

/**
 * Check manipulation metadata written in the manifest.
 */
public class TestManipulationMetadata extends BaseTest {

    @Test
    public void testGetMetadata() {
        String header = (String) getTestBundle().getHeaders().get("iPOJO-Components");
        Element elem = null;
        try {
            elem = ManifestMetadataParser.parseHeaderMetadata(header);
        } catch (ParseException e) {
            fail("Parse Exception when parsing iPOJO-Component");
        }

        assertNotNull("Check elem not null", elem);


        Element manip = getManipulationForComponent(elem, "ManipulationMetadata-FooProviderType-1");
        assertNotNull("Check manipulation metadata not null for " + "FooProviderType-1", manip);
    }

    @Test
    public void testInterface() {
        String comp_name = "ManipulationMetadata-FooProviderType-1";
        Element manip = getManipulationForComponent(comp_name);
        Element[] itf = manip.getElements("Interface");
        assertEquals("Check interfaces number", itf.length, 1);
        assertEquals("Check itf name", itf[0].getAttribute("name"), FooService.class.getName());
    }

    @Test
    public void testInterfaces() {
        String comp_name = "ManipulationMetadata-FooBarProviderType-1";
        Element manip = getManipulationForComponent(comp_name);
        Element[] itf = manip.getElements("Interface");
        assertEquals("Check interfaces number", itf.length, 2);
        assertEquals("Check itf name", itf[0].getAttribute("name"), FooService.class.getName());
        assertEquals("Check itf name", itf[1].getAttribute("name"), BarService.class.getName());
    }

    @Test
    public void testFields() {
        String comp_name = "ManipulationMetadata-FooProviderType-Dyn";
        Element manip = getManipulationForComponent(comp_name);
        Element[] fields = manip.getElements("field");
        assertEquals("Check field count " + fields.length, fields.length, 5);
        /*
        private int intProp;
		private String strProp;
		private String[] strAProp;
		private int[] intAProp;
		private boolean boolProp;
		 */

        Element field;

        field = getFieldFromName(manip, "intProp");
        assertEquals("Check field name : " + field.getAttribute("name"), field.getAttribute("name"), "intProp");
        assertEquals("Check field type : " + field.getAttribute("name"), field.getAttribute("type"), "int");

        field = getFieldFromName(manip, "strProp");
        assertEquals("Check field name : " + field.getAttribute("name"), field.getAttribute("name"), "strProp");
        assertEquals("Check field type : " + field.getAttribute("name"), field.getAttribute("type"), "java.lang.String");

        field = getFieldFromName(manip, "strAProp");
        assertEquals("Check field name : " + field.getAttribute("name"), field.getAttribute("name"), "strAProp");
        assertEquals("Check field type : " + field.getAttribute("name"), field.getAttribute("type"), "java.lang.String[]");

        field = getFieldFromName(manip, "intAProp");
        assertEquals("Check field name : " + field.getAttribute("name"), field.getAttribute("name"), "intAProp");
        assertEquals("Check field type : " + field.getAttribute("name"), field.getAttribute("type"), "int[]");

        field = getFieldFromName(manip, "boolProp");
        assertEquals("Check field name : " + field.getAttribute("name"), field.getAttribute("name"), "boolProp");
        assertEquals("Check field type : " + field.getAttribute("name"), field.getAttribute("type"), "boolean");
    }

    @Test
    public void testPrimitivesFields() {
        String comp_name = "ManipulationMetadata-PrimitiveManipulationTester";
        Element manip = getManipulationForComponent(comp_name);
        Element[] fields = manip.getElements("Field");
        assertEquals("Check field count", fields.length, 16);
		/*
		byte b = 1;
		short s = 1;
		int i = 1;
		long l = 1;
		double d = 1.1;
		float f = 1.1f;
		char c = 'a';
		boolean bool = false;
		byte[] bs = new byte[] {0,1,2};
		short[] ss = new short[] {0,1,2};
		int[] is = new int[] {0,1,2};
		long[] ls = new long[] {0,1,2};
		double[] ds = new double[] {0.0, 1.1, 2.2};
		float[] fs = new float[] {0.0f, 1.1f, 2.2f};
		char[] cs = new char[] {'a', 'b', 'c'};
		boolean[] bools = new boolean[] {false, true, false};
		 */
        Element field;

        field = getFieldFromName(manip, "b");
        assertEquals("Check field type : " + field.getAttribute("name"), field.getAttribute("type"), "byte");
        field = getFieldFromName(manip, "s");
        assertEquals("Check field type : " + field.getAttribute("name"), field.getAttribute("type"), "short");
        field = getFieldFromName(manip, "i");
        assertEquals("Check field type : " + field.getAttribute("name"), field.getAttribute("type"), "int");
        field = getFieldFromName(manip, "l");
        assertEquals("Check field type : " + field.getAttribute("name"), field.getAttribute("type"), "long");
        field = getFieldFromName(manip, "d");
        assertEquals("Check field type : " + field.getAttribute("name"), field.getAttribute("type"), "double");
        field = getFieldFromName(manip, "f");
        assertEquals("Check field type : " + field.getAttribute("name"), field.getAttribute("type"), "float");
        field = getFieldFromName(manip, "c");
        assertEquals("Check field type : " + field.getAttribute("name"), field.getAttribute("type"), "char");
        field = getFieldFromName(manip, "bool");
        assertEquals("Check field type : " + field.getAttribute("name"), field.getAttribute("type"), "boolean");

        field = getFieldFromName(manip, "bs");
        assertEquals("Check field type : " + field.getAttribute("name"), field.getAttribute("type"), "byte[]");
        field = getFieldFromName(manip, "ss");
        assertEquals("Check field type : " + field.getAttribute("name"), field.getAttribute("type"), "short[]");
        field = getFieldFromName(manip, "is");
        assertEquals("Check field type : " + field.getAttribute("name"), field.getAttribute("type"), "int[]");
        field = getFieldFromName(manip, "ls");
        assertEquals("Check field type : " + field.getAttribute("name"), field.getAttribute("type"), "long[]");
        field = getFieldFromName(manip, "ds");
        assertEquals("Check field type : " + field.getAttribute("name"), field.getAttribute("type"), "double[]");
        field = getFieldFromName(manip, "fs");
        assertEquals("Check field type : " + field.getAttribute("name"), field.getAttribute("type"), "float[]");
        field = getFieldFromName(manip, "cs");
        assertEquals("Check field type : " + field.getAttribute("name"), field.getAttribute("type"), "char[]");
        field = getFieldFromName(manip, "bools");
        assertEquals("Check field type : " + field.getAttribute("name"), field.getAttribute("type"), "boolean[]");
    }

    @Test
    public void testNoArgMethod() {
        String comp_name = "ManipulationMetadata-SimpleMultipleCheckServiceProvider";
        Element manip = getManipulationForComponent(comp_name);
        Element method = getMethodFromName(manip, "check");
        assertFalse("Check no args", method.containsAttribute("arguments"));
        assertEquals("Check return", method.getAttribute("return"), "boolean");
    }

    @Test
    public void testOneArgsMethod() {
        String comp_name = "ManipulationMetadata-SimpleMultipleCheckServiceProvider";
        Element manip = getManipulationForComponent(comp_name);
        Element method = getMethodFromName(manip, "refBind");
        assertEquals("Check args", method.getAttribute("arguments"), "{org.osgi.framework.ServiceReference}");
        assertEquals("Check args count", 1, ParseUtils.parseArrays("{org.osgi.framework.ServiceReference}").length);
        assertFalse("Check return", method.containsAttribute("return"));
    }

    @Test
    public void testTwoArgsMethod() {
        String comp_name = "ManipulationMetadata-SimpleMultipleCheckServiceProvider";
        Element manip = getManipulationForComponent(comp_name);
        Element method = getMethodFromName(manip, "doNothing");
        assertEquals("Check args", method.getAttribute("arguments"), "{java.lang.Object,java.lang.String}");
        assertEquals("Check args count", 2, ParseUtils.parseArrays("{java.lang.Object,java.lang.String}").length);
        assertEquals("Check return", method.getAttribute("return"), "java.lang.Object");
    }

    @Test
    public void testInnerClasses() {
        String comp_name = "org.apache.felix.ipojo.runtime.core.components.ComponentWithInnerClasses";
        Element manipulation = getManipulationForComponent(comp_name);
        Element[] inners = manipulation.getElements("inner");
        assertEquals(inners.length, 3);

        Element inner = getInnerClassMetadataByName(inners, "MyInnerWithANativeMethod");
        Assert.assertNotNull(inner);
        Assert.assertNotNull(getMethodByName(inner.getElements("method"), "foo"));

        inner = getInnerClassMetadataByName(inners, "MyInnerClass");
        assertNotNull(inner);
        assertNotNull(getMethodByName(inner.getElements("method"), "foo"));

        inner = getInnerClassMetadataByName(inners, "1");
        assertNotNull(inner);
        assertNotNull(getMethodByName(inner.getElements("method"), "run"));
    }

    private static Element getInnerClassMetadataByName(Element[] inners, String name) {
        for (Element element : inners) {
            if (name.equals(element.getAttribute("name"))) {
                return element;
            }
        }
        return null;
    }

    private static Element getMethodByName(Element[] methods, String name) {
        for (Element element : methods) {
            if (name.equals(element.getAttribute("name"))) {
                return element;
            }
        }
        return null;
    }


    private Element getManipulationForComponent(Element metadata, String comp_name) {
        Element[] comps = metadata.getElements("component");
        for (Element comp : comps) {
            if (comp.containsAttribute("factory") && comp.getAttribute("factory").equals(comp_name)) {
                return comp.getElements("manipulation")[0];
            }
            if (comp.containsAttribute("name") && comp.getAttribute("name").equals(comp_name)) {
                return comp.getElements("manipulation")[0];
            }
        }
        return null;
    }

    private Element getManipulationForComponent(String comp_name) {
        String header = (String) getTestBundle().getHeaders().get("iPOJO-Components");
        Element elem = null;
        try {
            elem = ManifestMetadataParser.parseHeaderMetadata(header);
        } catch (ParseException e) {
            fail("Parse Exception when parsing iPOJO-Component");
        }

        assertNotNull("Check elem not null", elem);
        Element manip = getManipulationForComponent(elem, comp_name);
        assertNotNull("Check manipulation metadata not null for " + comp_name, manip);
        return manip;
    }

    private Element getMethodFromName(Element manip, String name) {
        Element methods[] = manip.getElements("Method");
        for (int i = 0; i < methods.length; i++) {
            if (methods[i].containsAttribute("name") && methods[i].getAttribute("name").equals(name)) {
                return methods[i];
            }
        }
        fail("Method " + name + " not found");
        return null;
    }

    private Element getFieldFromName(Element manip, String name) {
        Element fields[] = manip.getElements("Field");
        for (int i = 0; i < fields.length; i++) {
            if (fields[i].containsAttribute("name") && fields[i].getAttribute("name").equals(name)) {
                return fields[i];
            }
        }
        fail("Field " + name + " not found");
        return null;
    }


}