fix apache#195 add context unit test

core/src/test/java/com/alibaba/fescar/core/context/ContextCoreTest.java

@@ -0,0 +1,73 @@
+/*
+ *  Copyright 1999-2018 Alibaba Group Holding Ltd.
+ *
+ *  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 com.alibaba.fescar.core.context;
+
+
+import org.junit.Assert;
+import org.junit.Test;
+
+/**
+ * Created by guoyao on 2019/2/28.
+ */
+public class ContextCoreTest {
+
+    private final String FIRST_KEY="first_key";
+    private final String FIRST_VALUE="first_value";
+    private final String SECOND_KEY="second_key";
+    private final String SECOND_VALUE="second_value";
+    private final String NOT_EXIST_KEY="not_exist_key";
+
+    @Test
+    public void testPut() {
+        ContextCore load=ContextCoreLoader.load();
+        Assert.assertNull(load.put(FIRST_KEY, FIRST_VALUE));
+        Assert.assertNull(load.put(SECOND_KEY, SECOND_VALUE));
+        Assert.assertEquals(FIRST_VALUE,load.put(FIRST_KEY, SECOND_VALUE));
+        Assert.assertEquals(SECOND_VALUE,load.put(SECOND_KEY, FIRST_VALUE));
+        //clear keys
+        load.remove(FIRST_KEY);
+        load.remove(SECOND_KEY);
+    }
+
+    @Test
+    public void testGet() {
+        ContextCore load=ContextCoreLoader.load();
+        load.put(FIRST_KEY, FIRST_VALUE);
+        load.put(SECOND_KEY, FIRST_VALUE);
+        Assert.assertEquals(FIRST_VALUE, load.get(FIRST_KEY));
+        Assert.assertEquals(FIRST_VALUE, load.get(SECOND_KEY));
+        load.put(FIRST_KEY, SECOND_VALUE);
+        load.put(SECOND_KEY, SECOND_VALUE);
+        Assert.assertEquals(SECOND_VALUE, load.get(FIRST_KEY));
+        Assert.assertEquals(SECOND_VALUE, load.get(SECOND_KEY));
+        Assert.assertNull(load.get(NOT_EXIST_KEY));
+        //clear keys
+        load.remove(FIRST_KEY);
+        load.remove(SECOND_KEY);
+        load.remove(NOT_EXIST_KEY);
+    }
+
+    @Test
+    public void testRemove() {
+        ContextCore load=ContextCoreLoader.load();
+        load.put(FIRST_KEY, FIRST_VALUE);
+        load.put(SECOND_KEY, SECOND_VALUE);
+        Assert.assertEquals(FIRST_VALUE,load.remove(FIRST_KEY));
+        Assert.assertEquals(SECOND_VALUE,load.remove(SECOND_KEY));
+        Assert.assertNull(load.remove(NOT_EXIST_KEY));
+    }
+
+}

core/src/test/java/com/alibaba/fescar/core/context/RootContextTest.java

@@ -0,0 +1,65 @@
+/*
+ *  Copyright 1999-2018 Alibaba Group Holding Ltd.
+ *
+ *  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 com.alibaba.fescar.core.context;
+
+import com.alibaba.fescar.common.exception.ShouldNeverHappenException;
+import org.junit.Assert;
+import org.junit.Test;
+
+/**
+ * Created by guoyao on 2019/2/28.
+ */
+public class RootContextTest {
+
+    private final String DEFAULT_XID="default_xid";
+
+    @Test
+    public void testBind_And_Unbind() {
+        Assert.assertNull(RootContext.unbind());
+        RootContext.bind(DEFAULT_XID);
+        Assert.assertEquals(DEFAULT_XID, RootContext.unbind());
+    }
+
+    @Test
+    public void testGetXID() {
+        RootContext.bind(DEFAULT_XID);
+        Assert.assertEquals(DEFAULT_XID, RootContext.getXID());
+        Assert.assertEquals(DEFAULT_XID, RootContext.unbind());
+        Assert.assertNull(RootContext.getXID());
+    }
+
+    @Test
+    public void testInGlobalTransaction() {
+        Assert.assertTrue(!RootContext.inGlobalTransaction());
+        RootContext.bind(DEFAULT_XID);
+        Assert.assertTrue(RootContext.inGlobalTransaction());
+        RootContext.unbind();
+        Assert.assertTrue(!RootContext.inGlobalTransaction());
+    }
+
+    @Test(expected =ShouldNeverHappenException.class)
+    public void testAssertNotInGlobalTransactionWithException() {
+        RootContext.assertNotInGlobalTransaction();
+        RootContext.bind(DEFAULT_XID);
+        RootContext.assertNotInGlobalTransaction();
+    }
+
+    @Test
+    public void testAssertNotInGlobalTransaction() {
+        RootContext.assertNotInGlobalTransaction();
+    }
+
+}