From a90863760d1ae1a92520ce29841aec600d25a83a Mon Sep 17 00:00:00 2001
From: Jan Srnicek <jsrnicek@cisco.com>
Date: Fri, 30 Jun 2017 15:10:27 +0200
Subject: HONEYCOMB-358 - Conditional module loading

Change-Id: Ic9b7182cc77bf2f73cf5edd3ee19f25f53711cda
Signed-off-by: Jan Srnicek <jsrnicek@cisco.com>
---
 .../activation/ActiveModuleProviderTest.java       | 92 ++++++++++++++++++++++
 1 file changed, 92 insertions(+)
 create mode 100644 infra/minimal-distribution-test/src/test/java/io/fd/honeycomb/infra/distro/activation/ActiveModuleProviderTest.java

(limited to 'infra/minimal-distribution-test/src/test/java/io/fd/honeycomb/infra/distro/activation/ActiveModuleProviderTest.java')

diff --git a/infra/minimal-distribution-test/src/test/java/io/fd/honeycomb/infra/distro/activation/ActiveModuleProviderTest.java b/infra/minimal-distribution-test/src/test/java/io/fd/honeycomb/infra/distro/activation/ActiveModuleProviderTest.java
new file mode 100644
index 000000000..b411d043e
--- /dev/null
+++ b/infra/minimal-distribution-test/src/test/java/io/fd/honeycomb/infra/distro/activation/ActiveModuleProviderTest.java
@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 2017 Cisco and/or its affiliates.
+ *
+ * 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 io.fd.honeycomb.infra.distro.activation;
+
+
+import static com.google.common.collect.ImmutableList.of;
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.empty;
+import static org.hamcrest.Matchers.hasItem;
+import static org.hamcrest.Matchers.hasItems;
+import static org.hamcrest.Matchers.hasSize;
+import static org.hamcrest.Matchers.isA;
+import static org.hamcrest.core.Is.is;
+
+import com.google.common.collect.ImmutableList;
+import com.google.inject.Module;
+import io.fd.honeycomb.infra.distro.Modules;
+import java.util.List;
+import java.util.Set;
+import org.junit.Test;
+
+public class ActiveModuleProviderTest {
+
+    @Test
+    public void testLoadActiveModulesSuccessfull() {
+        final ImmutableList<String> rawResources = of(
+                "// this should be skipped",
+                "// io.fd.honeycomb.infra.distro.Modules$ChildModule1",
+                "               io.fd.honeycomb.infra.distro.Modules$ChildModule2",
+                "io.fd.honeycomb.infra.distro.Modules$ChildModule3     ",
+                "io.fd.honeycomb.infra.distro.Modules$ChildModule3",
+                "io.fd.honeycomb.infra.distro.Modules$NonModule"
+        );
+        // have to be without wildcard, otherwise mockito has problem with it
+        final Set<Module> activeModules = (Set<Module>) new ActiveModules(ActiveModuleProvider.loadActiveModules(rawResources)).createModuleInstances();
+
+        // first and second line should be ignored due to comment
+        // second,third,and fourth are valid,but should reduce module count to 2,because of duplicity
+        // last one does is not ancestor of Module, so it should be ignored/skipped
+        assertThat(activeModules, hasSize(2));
+        //hasItems or containsInAnyOrder does not have/is deprecated in variant with matcher
+        assertThat(activeModules, hasItem(isA(Modules.ChildModule2.class)));
+        assertThat(activeModules, hasItem(isA(Modules.ChildModule3.class)));
+    }
+
+    @Test(expected = IllegalStateException.class)
+    public void testLoadActiveModulesFailed() {
+        final ImmutableList rawResources = of(
+                "// this should be skipped",
+                "// io.fd.honeycomb.infra.distro.Modules$ChildModule1",
+                "               io.fd.honeycomb.infra.distro.Modules$ChildModule2",
+                "### io.fd.honeycomb.infra.distro.Modules$ChildModule3     ",// it should fail because of this
+                "io.fd.honeycomb.infra.distro.Modules$ChildModule3",
+                "io.fd.honeycomb.infra.distro.Modules$NonModule"
+        );
+
+        ActiveModuleProvider.loadActiveModules(rawResources);
+    }
+
+    @Test
+    public void testAggregateResourcesNonEmpty() {
+        final List<String> aggregatedResources =
+                ActiveModuleProvider.aggregateResources("modules", this.getClass().getClassLoader());
+        assertThat(aggregatedResources, hasSize(5));
+        assertThat(aggregatedResources, hasItems("        Non-commented non-trimmed",
+                "//Commented",
+                "// Commented non-trimmed",
+                "Not commented",
+                "// Line from second file"));
+    }
+
+    @Test
+    public void testAggregateResourcesEmpty() {
+        assertThat(ActiveModuleProvider.aggregateResources("/non-existing-folder", this.getClass().getClassLoader()),
+                is(empty()));
+    }
+
+}
-- 
cgit 1.2.3-korg