BAEL-861 Introduction to Awaitlity (#2150)

* BAEL-748 quick guide to @Value * BAEL-748 changes from review * BAEL-748 inject comma-separated values into array * BAEL-768 Introduction to Netty * BAEL-768 remove commented code * BAEL-861 Introduction to Awaitility * BAEL-861 rename Test to UnitTest
2017-07-07 06:12:41 +03:00
parent b9b230f83e
commit 20b9f1bfa9
3 changed files with 147 additions and 0 deletions
--- a/libraries/src/test/java/com/baeldung/awaitility/AsyncServiceUnitTest.java
+++ b/libraries/src/test/java/com/baeldung/awaitility/AsyncServiceUnitTest.java
@@ -0,0 +1,84 @@
+package com.baeldung.awaitility;
+
+import static org.awaitility.Awaitility.await;
+import static org.awaitility.Awaitility.fieldIn;
+import static org.awaitility.Awaitility.given;
+import static org.awaitility.proxy.AwaitilityClassProxy.to;
+import static org.hamcrest.Matchers.equalTo;
+
+import java.util.concurrent.Callable;
+import java.util.concurrent.TimeUnit;
+
+import org.awaitility.Awaitility;
+import org.awaitility.Duration;
+import org.junit.Before;
+import org.junit.Test;
+
+public class AsyncServiceUnitTest {
+    private AsyncService asyncService;
+
+    @Before
+    public void setUp() {
+        asyncService = new AsyncService();
+    }
+
+    @Test
+    public void givenAsyncService_whenInitialize_thenInitOccurs1() {
+        asyncService.initialize();
+        Callable<Boolean> isInitialized = () -> asyncService.isInitialized();
+        await().until(isInitialized);
+    }
+
+    @Test
+    public void givenAsyncService_whenInitialize_thenInitOccurs2() {
+        asyncService.initialize();
+        Callable<Boolean> isInitialized = () -> asyncService.isInitialized();
+        await().atLeast(Duration.ONE_HUNDRED_MILLISECONDS)
+                .atMost(Duration.FIVE_SECONDS)
+                .with().pollInterval(Duration.ONE_HUNDRED_MILLISECONDS)
+                .until(isInitialized);
+    }
+
+    @Test
+    public void givenAsyncService_whenInitialize_thenInitOccurs_withDefualts() {
+        Awaitility.setDefaultPollInterval(10, TimeUnit.MILLISECONDS);
+        Awaitility.setDefaultPollDelay(Duration.ZERO);
+        Awaitility.setDefaultTimeout(Duration.ONE_MINUTE);
+
+        asyncService.initialize();
+        await().until(() -> asyncService.isInitialized());
+    }
+
+    @Test
+    public void givenAsyncService_whenInitialize_thenInitOccurs_withProxy() {
+        asyncService.initialize();
+        await().untilCall(to(asyncService).isInitialized(), equalTo(true));
+    }
+
+    @Test
+    public void givenAsyncService_whenInitialize_thenInitOccurs3() {
+        asyncService.initialize();
+        await().until(fieldIn(asyncService)
+                .ofType(boolean.class)
+                .andWithName("initialized"), equalTo(true));
+    }
+
+    @Test
+    public void givenValue_whenAddValue_thenValueAdded() {
+        asyncService.initialize();
+        await().until(() -> asyncService.isInitialized());
+        long value = 5;
+        asyncService.addValue(value);
+        await().until(asyncService::getValue, equalTo(value));
+    }
+
+    @Test
+    public void givenAsyncService_whenGetValue_thenExceptionIgnored() {
+        asyncService.initialize();
+        given().ignoreException(IllegalStateException.class)
+                .await()
+                .atMost(Duration.FIVE_SECONDS)
+                .atLeast(Duration.FIVE_HUNDRED_MILLISECONDS)
+                .until(asyncService::getValue, equalTo(0L));
+    }
+}