| // Copyright 2006, 2007 The Apache Software Foundation |
| // |
| // 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 org.apache.tapestry5.internal.services; |
| |
| import org.apache.tapestry5.ioc.Location; |
| import org.apache.tapestry5.runtime.Component; |
| import org.apache.tapestry5.services.Environment; |
| import org.apache.tapestry5.test.TapestryTestCase; |
| import org.testng.annotations.Test; |
| |
| import java.util.List; |
| import java.util.Map; |
| import java.util.NoSuchElementException; |
| |
| public class EnvironmentImplTest extends TapestryTestCase |
| { |
| @Test |
| public void peek_when_empty_returns_null() |
| { |
| Environment e = new EnvironmentImpl(); |
| |
| assertNull(e.peek(Runnable.class)); |
| assertNull(e.peek(Map.class)); |
| } |
| |
| @Test |
| public void push_and_pop() |
| { |
| Environment e = new EnvironmentImpl(); |
| Runnable r1 = mockRunnable(); |
| Runnable r2 = mockRunnable(); |
| |
| replay(); |
| |
| assertNull(e.push(Runnable.class, r1)); |
| |
| assertSame(r1, e.peek(Runnable.class)); |
| |
| assertSame(r1, e.push(Runnable.class, r2)); |
| |
| assertSame(r2, e.peek(Runnable.class)); |
| |
| assertSame(r2, e.pop(Runnable.class)); |
| assertSame(r1, e.pop(Runnable.class)); |
| |
| verify(); |
| } |
| |
| @Test |
| public void clear() |
| { |
| Environment e = new EnvironmentImpl(); |
| Runnable r1 = mockRunnable(); |
| Runnable r2 = mockRunnable(); |
| |
| replay(); |
| |
| e.push(Runnable.class, r1); |
| e.push(Runnable.class, r2); |
| |
| e.clear(); |
| |
| assertNull(e.peek(Runnable.class)); |
| |
| verify(); |
| } |
| |
| @Test |
| public void pop_when_empty_is_error() |
| { |
| Environment e = new EnvironmentImpl(); |
| |
| try |
| { |
| e.pop(Runnable.class); |
| unreachable(); |
| } |
| catch (NoSuchElementException ex) |
| { |
| } |
| } |
| |
| @Test |
| public void peek_required_when_available() |
| { |
| Environment e = new EnvironmentImpl(); |
| Location l = mockLocation(); |
| |
| replay(); |
| |
| e.push(Location.class, l); |
| |
| assertSame(l, e.peekRequired(Location.class)); |
| |
| verify(); |
| } |
| |
| @Test |
| public void peek_required_without_value_is_error() |
| { |
| Environment e = new EnvironmentImpl(); |
| Location l = mockLocation(); |
| Component c = mockComponent(); |
| |
| replay(); |
| |
| e.push(Location.class, l); |
| e.push(Component.class, c); |
| |
| try |
| { |
| e.peekRequired(List.class); |
| unreachable(); |
| } |
| catch (RuntimeException ex) |
| { |
| assertEquals( |
| ex.getMessage(), |
| "No object of type java.util.List is available from the Environment. Available types are org.apache.tapestry5.ioc.Location, org.apache.tapestry5.runtime.Component."); |
| } |
| |
| verify(); |
| } |
| } |