1 files changed, 101 insertions, 0 deletions
diff --git a/core/src/test/java/org/elasticsearch/common/settings/SettingsModuleTests.java b/core/src/test/java/org/elasticsearch/common/settings/SettingsModuleTests.java
new file mode 100644
index 0000000000..290eec0c0b
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+++ b/core/src/test/java/org/elasticsearch/common/settings/SettingsModuleTests.java
@@ -0,0 +1,101 @@
+/*
+ * Licensed to Elasticsearch under one or more contributor
+ * license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright
+ * ownership. Elasticsearch 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.elasticsearch.common.settings;
+
+import org.elasticsearch.common.inject.ModuleTestCase;
+
+public class SettingsModuleTests extends ModuleTestCase {
+
+    public void testValidate() {
+        {
+            Settings settings = Settings.builder().put("cluster.routing.allocation.balance.shard", "2.0").build();
+            SettingsModule module = new SettingsModule(settings, new SettingsFilter(Settings.EMPTY));
+            assertInstanceBinding(module, Settings.class, (s) -> s == settings);
+        }
+        {
+            Settings settings = Settings.builder().put("cluster.routing.allocation.balance.shard", "[2.0]").build();
+            SettingsModule module = new SettingsModule(settings, new SettingsFilter(Settings.EMPTY));
+            try {
+                assertInstanceBinding(module, Settings.class, (s) -> s == settings);
+                fail();
+            } catch (IllegalArgumentException ex) {
+                assertEquals("Failed to parse value [[2.0]] for setting [cluster.routing.allocation.balance.shard]", ex.getMessage());
+            }
+        }
+    }
+
+    public void testRegisterSettings() {
+        {
+            Settings settings = Settings.builder().put("some.custom.setting", "2.0").build();
+            SettingsModule module = new SettingsModule(settings, new SettingsFilter(Settings.EMPTY));
+            module.registerSetting(Setting.floatSetting("some.custom.setting", 1.0f, false, Setting.Scope.CLUSTER));
+            assertInstanceBinding(module, Settings.class, (s) -> s == settings);
+        }
+        {
+            Settings settings = Settings.builder().put("some.custom.setting", "false").build();
+            SettingsModule module = new SettingsModule(settings, new SettingsFilter(Settings.EMPTY));
+            module.registerSetting(Setting.floatSetting("some.custom.setting", 1.0f, false, Setting.Scope.CLUSTER));
+            try {
+                assertInstanceBinding(module, Settings.class, (s) -> s == settings);
+                fail();
+            } catch (IllegalArgumentException ex) {
+                assertEquals("Failed to parse value [false] for setting [some.custom.setting]", ex.getMessage());
+            }
+        }
+    }
+
+    public void testTribeSetting() {
+        {
+            Settings settings = Settings.builder().put("tribe.t1.cluster.routing.allocation.balance.shard", "2.0").build();
+            SettingsModule module = new SettingsModule(settings, new SettingsFilter(Settings.EMPTY));
+            assertInstanceBinding(module, Settings.class, (s) -> s == settings);
+        }
+        {
+            Settings settings = Settings.builder().put("tribe.t1.cluster.routing.allocation.balance.shard", "[2.0]").build();
+            SettingsModule module = new SettingsModule(settings, new SettingsFilter(Settings.EMPTY));
+            try {
+                assertInstanceBinding(module, Settings.class, (s) -> s == settings);
+                fail();
+            } catch (IllegalArgumentException ex) {
+                assertEquals("Failed to parse value [[2.0]] for setting [cluster.routing.allocation.balance.shard]", ex.getMessage());
+            }
+        }
+    }
+
+    public void testLoggerSettings() {
+        {
+            Settings settings = Settings.builder().put("logger._root", "TRACE").put("logger.transport", "INFO").build();
+            SettingsModule module = new SettingsModule(settings, new SettingsFilter(Settings.EMPTY));
+            assertInstanceBinding(module, Settings.class, (s) -> s == settings);
+        }
+
+        {
+            Settings settings = Settings.builder().put("logger._root", "BOOM").put("logger.transport", "WOW").build();
+            SettingsModule module = new SettingsModule(settings, new SettingsFilter(Settings.EMPTY));
+            try {
+                assertInstanceBinding(module, Settings.class, (s) -> s == settings);
+                fail();
+            } catch (IllegalArgumentException ex) {
+                assertEquals("No enum constant org.elasticsearch.common.logging.ESLoggerFactory.LogLevel.BOOM", ex.getMessage());
+            }
+        }
+
+    }
+}