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From GitBox <...@apache.org>
Subject [GitHub] [celix] pnoltes commented on a change in pull request #293: Feature/add build to svc dep creation
Date Wed, 16 Dec 2020 14:48:06 GMT

pnoltes commented on a change in pull request #293:
URL: https://github.com/apache/celix/pull/293#discussion_r544357239



##########
File path: libs/framework/gtest/src/DependencyManagerTestSuite.cc
##########
@@ -0,0 +1,272 @@
+/*
+ * 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.
+ */
+
+#include <gtest/gtest.h>
+#include <atomic>
+
+#include "celix_api.h"
+
+class DependencyManagerTestSuite : public ::testing::Test {
+public:
+    celix_framework_t* fw = nullptr;
+    celix_bundle_context_t *ctx = nullptr;
+    celix_properties_t *properties = nullptr;
+
+    DependencyManagerTestSuite() {
+        properties = properties_create();
+        properties_set(properties, "LOGHELPER_ENABLE_STDOUT_FALLBACK", "true");
+        properties_set(properties, "org.osgi.framework.storage.clean", "onFirstInit");
+        properties_set(properties, "org.osgi.framework.storage", ".cacheBundleContextTestFramework");
+
+        fw = celix_frameworkFactory_createFramework(properties);
+        ctx = framework_getContext(fw);
+    }
+
+    ~DependencyManagerTestSuite() override {
+        celix_frameworkFactory_destroyFramework(fw);
+    }
+
+    DependencyManagerTestSuite(DependencyManagerTestSuite&&) = delete;
+    DependencyManagerTestSuite(const DependencyManagerTestSuite&) = delete;
+    DependencyManagerTestSuite& operator=(DependencyManagerTestSuite&&) = delete;
+    DependencyManagerTestSuite& operator=(const DependencyManagerTestSuite&) = delete;
+};
+
+TEST_F(DependencyManagerTestSuite, DmCreateComponent) {
+    auto *mng = celix_bundleContext_getDependencyManager(ctx);
+    auto *cmp = celix_dmComponent_create(ctx, "test1");
+    celix_dependencyManager_add(mng, cmp);
+
+    ASSERT_EQ(1, celix_dependencyManager_nrOfComponents(mng));
+    ASSERT_TRUE(celix_dependencyManager_allComponentsActive(mng));
+
+    cmp = celix_dmComponent_create(ctx, "test2");
+    celix_dependencyManager_add(mng, cmp);
+
+    ASSERT_EQ(2, celix_dependencyManager_nrOfComponents(mng));
+    ASSERT_TRUE(celix_dependencyManager_allComponentsActive(mng));
+}
+
+TEST_F(DependencyManagerTestSuite, TestCheckActive) {
+    auto *mng = celix_bundleContext_getDependencyManager(ctx);
+    auto *cmp = celix_dmComponent_create(ctx, "test1");
+
+    auto *dep = celix_dmServiceDependency_create();
+    celix_dmServiceDependency_setService(dep, "svcname", nullptr, nullptr);
+    celix_dmServiceDependency_setRequired(dep, true);
+    celix_dmComponent_addServiceDependency(cmp, dep); //required dep -> cmp not active
+
+
+    celix_dependencyManager_add(mng, cmp);
+    ASSERT_FALSE(celix_dependencyManager_areComponentsActive(mng));
+}
+
+class TestComponent {
+
+};
+
+TEST_F(DependencyManagerTestSuite, OnlyActiveAfterBuildCheck) {
+    celix::dm::DependencyManager dm{ctx};
+    EXPECT_EQ(0, dm.getNrOfComponents());
+
+    auto& cmp = dm.createComponent<TestComponent>(std::make_shared<TestComponent>(),
"test1");
+    EXPECT_EQ(0, dm.getNrOfComponents()); //dm not started yet / comp not build yet
+    EXPECT_TRUE(cmp.isValid());
+
+    cmp.build();
+    cmp.build(); //should be ok to call twice
+    EXPECT_EQ(1, dm.getNrOfComponents()); //cmp "build", so active
+
+    dm.clear();
+    dm.clear(); //should be ok to call twice
+    EXPECT_EQ(0, dm.getNrOfComponents()); //dm cleared so no components
+}
+
+TEST_F(DependencyManagerTestSuite, StartDmWillBuildCmp) {
+    celix::dm::DependencyManager dm{ctx};
+    EXPECT_EQ(0, dm.getNrOfComponents());
+
+    auto& cmp = dm.createComponent<TestComponent>(std::make_shared<TestComponent>(),
"test1");
+    EXPECT_EQ(0, dm.getNrOfComponents()); //dm not started yet / comp not build yet
+    EXPECT_TRUE(cmp.isValid());
+
+    dm.start();
+    EXPECT_EQ(1, dm.getNrOfComponents()); //cmp "build", so active
+
+    dm.stop();
+    EXPECT_EQ(0, dm.getNrOfComponents()); //dm cleared so no components
+}
+
+struct TestService {
+    void *handle;
+};
+
+class Cmp1 : public TestService {
+
+};
+
+class Cmp2 : public TestService {
+public:
+    explicit Cmp2(const std::string& name) {
+        std::cout << "usage arg: " << name;
+    }
+};
+
+TEST_F(DependencyManagerTestSuite, CreateComponentVariant) {
+    celix::dm::DependencyManager dm{ctx};
+
+    dm.createComponent<Cmp1>().addInterface<TestService>(); //lazy
+    dm.createComponent(std::unique_ptr<Cmp1>{new Cmp1}).addInterface<TestService>();
//with unique ptr
+    dm.createComponent(std::make_shared<Cmp1>()).addInterface<TestService>();
//with shared ptr
+    dm.createComponent(Cmp1{}).addInterface<TestService>(); //with value
+
+    //dm.createComponent<Cmp2>(); //Does not compile ->  no default ctor
+    dm.createComponent(std::unique_ptr<Cmp2>{new Cmp2{"a"}}).addInterface<TestService>();
//with unique ptr
+    dm.createComponent(std::make_shared<Cmp2>("b")).addInterface<TestService>();;
//with shared ptr
+    dm.createComponent(Cmp2{"c"}).addInterface<TestService>();; //with value
+
+    dm.start();
+}
+
+TEST_F(DependencyManagerTestSuite, AddSvcProvideAfterBuild) {
+    celix::dm::DependencyManager dm{ctx};
+    EXPECT_EQ(0, dm.getNrOfComponents());
+
+    auto& cmp = dm.createComponent<TestComponent>(std::make_shared<TestComponent>(),
"test1");
+    EXPECT_EQ(0, dm.getNrOfComponents()); //dm not started yet / comp not build yet
+    EXPECT_TRUE(cmp.isValid());
+
+    cmp.build();
+    EXPECT_EQ(1, dm.getNrOfComponents()); //cmp "build", so active
+
+    TestService svc{nullptr};
+    cmp.addCInterface(&svc, "TestService");
+
+    long svcId = celix_bundleContext_findService(ctx, "TestService");
+    EXPECT_EQ(-1, svcId); //not build -> not found
+
+    cmp.build();
+    cmp.build(); //should be ok to call twice
+    svcId = celix_bundleContext_findService(ctx, "TestService");
+    EXPECT_GT(svcId, -1); //(re)build -> found
+
+    dm.clear();
+    EXPECT_EQ(0, dm.getNrOfComponents()); //dm cleared so no components
+    svcId = celix_bundleContext_findService(ctx, "TestService");
+    EXPECT_EQ(svcId, -1); //cleared -> not found
+}
+
+TEST_F(DependencyManagerTestSuite, BuildSvcProvide) {
+    celix::dm::DependencyManager dm{ctx};
+    EXPECT_EQ(0, dm.getNrOfComponents());
+
+    auto& cmp = dm.createComponent<Cmp1>(std::make_shared<Cmp1>(), "test2");
+    EXPECT_EQ(0, dm.getNrOfComponents()); //dm not started yet / comp not build yet
+    EXPECT_TRUE(cmp.isValid());
+
+    cmp.build();
+    EXPECT_EQ(1, dm.getNrOfComponents()); //cmp "build", so active
+
+    TestService svc{nullptr};
+    cmp.createProvidedCService(&svc, "CTestService").addProperty("key1", "val1").addProperty("key2",
3);
+
+    long svcId = celix_bundleContext_findService(ctx, "CTestService");
+    EXPECT_EQ(-1, svcId); //not build -> not found
+
+    cmp.build();
+    cmp.build(); //should be ok to call twice
+    svcId = celix_bundleContext_findService(ctx, "CTestService");
+    EXPECT_GT(svcId, -1); //(re)build -> found
+
+    celix_service_filter_options_t opts{};
+    opts.serviceName = "CTestService";
+    opts.filter = "(&(key1=val1)(key2=3))";
+    svcId = celix_bundleContext_findServiceWithOptions(ctx, &opts);
+    EXPECT_GT(svcId, -1); //found, so properties present
+
+    celix::dm::Properties props{};
+    props["key1"] = "value";
+    cmp.createProvidedService<TestService>().setProperties(props).setVersion("1.0.0").build();
+
+    opts.serviceName = "TestService";
+    opts.filter = "(key1=value)";
+    opts.ignoreServiceLanguage = true;
+    svcId = celix_bundleContext_findServiceWithOptions(ctx, &opts);
+    EXPECT_GT(svcId, -1); //found, so properties present
+
+    dm.clear();
+    EXPECT_EQ(0, dm.getNrOfComponents()); //dm cleared so no components
+    svcId = celix_bundleContext_findService(ctx, "CTestService");
+    EXPECT_EQ(svcId, -1); //cleared -> not found
+}
+
+TEST_F(DependencyManagerTestSuite, AddSvcDepAfterBuild) {
+    celix::dm::DependencyManager dm{ctx};
+    EXPECT_EQ(0, dm.getNrOfComponents());
+
+    auto& cmp = dm.createComponent<TestComponent>(std::make_shared<TestComponent>(),
"test1");
+    EXPECT_EQ(0, dm.getNrOfComponents()); //dm not started yet / comp not build yet
+    EXPECT_TRUE(cmp.isValid());
+
+    cmp.build();
+    cmp.build(); //should be ok to call twice
+    EXPECT_EQ(1, dm.getNrOfComponents()); //cmp "build", so active
+
+    std::atomic<int> count{0};
+    auto& dep = cmp.createCServiceDependency<TestService>("TestService")
+            .setCallbacks([&count](const TestService*, celix::dm::Properties&&)
{
+                count++;
+            });
+
+    TestService svc{nullptr};
+    long svcId = celix_bundleContext_registerService(ctx, &svc, "TestService", nullptr);
+    long svcId2 = celix_bundleContext_registerService(ctx, &svc, "AnotherService", nullptr);
//note should not be found.
+
+    ASSERT_EQ(0, count); //service dep not yet build -> so no set call
+
+    dep.build();
+    dep.build(); //should be ok to call twice
+    ASSERT_EQ(1, count); //service dep build -> so count is 1;
+
+    //create another service dep
+    cmp.createCServiceDependency<TestService>("TestService")
+            .setCallbacks([&count](const TestService*, celix::dm::Properties&&)
{
+                count++;
+            });
+    ASSERT_EQ(1, count); //new service dep not yet build -> so count still 1
+
+    cmp.build(); //cmp build, which will build svc dep
+    ASSERT_EQ(2, count); //new service dep build -> so count is 2
+
+    celix_bundleContext_unregisterService(ctx, svcId);
+    celix_bundleContext_unregisterService(ctx, svcId2);
+}
+
+TEST_F(DependencyManagerTestSuite, InCompleteBuildShouldNotLeak) {
+    celix::dm::DependencyManager dm{ctx};
+    dm.createComponent<TestComponent>(std::make_shared<TestComponent>(), "test1");
//note not build
+
+    auto& cmp2 = dm.createComponent<Cmp1>(std::make_shared<Cmp1>(), "test2").build();
+    cmp2.createCServiceDependency<TestService>("TestService").setFilter("(key=value");
//note not build
+    cmp2.createServiceDependency<TestService>().setFilter("(key=value)"); //note not
build
+
+    TestService svc{nullptr};
+    cmp2.createProvidedCService(&svc, "CTestService").addProperty("key1", "val1"); //note
not build
+    cmp2.createProvidedService<TestService>().setVersion("1.0.0").build(); //note not
build

Review comment:
       nice catch :+1: 




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