Merge pull request #8125 from eugenp/revert-8119-BAEL-3275-2

Revert "BAEL-3275: Using blocking queue for pub-sub"

mustache/src/test/java/com/baeldung/mustache/TodoMustacheServiceUnitTest.java

@@ -0,0 +1,100 @@
+package com.baeldung.mustache;
+
+import com.baeldung.mustache.model.Todo;
+import com.github.mustachejava.Mustache;
+import org.junit.Test;
+
+import java.io.IOException;
+import java.io.StringWriter;
+import java.time.Instant;
+import java.util.Arrays;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class TodoMustacheServiceUnitTest {
+
+    private String executeTemplate(Mustache m, Map<String, Object> context) throws IOException {
+        StringWriter writer = new StringWriter();
+        m.execute(writer, context).flush();
+        return writer.toString();
+    }
+
+    private String executeTemplate(Mustache m, Todo todo) throws IOException {
+        StringWriter writer = new StringWriter();
+        m.execute(writer, todo).flush();
+        return writer.toString();
+    }
+
+    @Test
+    public void givenTodoObject_whenGetHtml_thenSuccess() throws IOException {
+        Todo todo = new Todo("Todo 1", "Todo description");
+        Mustache m = MustacheUtil.getMustacheFactory().compile("todo.mustache");
+        Map<String, Object> context = new HashMap<>();
+        context.put("todo", todo);
+
+        String expected = "<h2>Todo 1</h2>";
+        assertThat(executeTemplate(m, todo)).contains(expected);
+    }
+
+    @Test
+    public void givenNullTodoObject_whenGetHtml_thenEmptyHtml() throws IOException {
+        Mustache m = MustacheUtil.getMustacheFactory().compile("todo-section.mustache");
+        Map<String, Object> context = new HashMap<>();
+        assertThat(executeTemplate(m, context)).isEmpty();
+    }
+
+    @Test
+    public void givenTodoList_whenGetHtml_thenSuccess() throws IOException {
+        Mustache m = MustacheUtil.getMustacheFactory().compile("todos.mustache");
+
+        List<Todo> todos = Arrays.asList(
+          new Todo("Todo 1", "Todo description"),
+          new Todo("Todo 2", "Todo description another"),
+          new Todo("Todo 3", "Todo description another")
+        );
+        Map<String, Object> context = new HashMap<>();
+        context.put("todos", todos);
+
+        assertThat(executeTemplate(m, context))
+          .contains("<h2>Todo 1</h2>")
+          .contains("<h2>Todo 2</h2>")
+          .contains("<h2>Todo 3</h2>");
+    }
+
+    @Test
+    public void givenEmptyList_whenGetHtml_thenEmptyHtml() throws IOException {
+        Mustache m = MustacheUtil.getMustacheFactory().compile("todos.mustache");
+
+        Map<String, Object> context = new HashMap<>();
+        assertThat(executeTemplate(m, context)).isEmpty();
+        ;
+    }
+
+    @Test
+    public void givenEmptyList_whenGetHtmlUsingInvertedSection_thenHtml() throws IOException {
+        Mustache m = MustacheUtil.getMustacheFactory().compile("todos-inverted-section.mustache");
+
+        Map<String, Object> context = new HashMap<>();
+        assertThat(executeTemplate(m, context).trim()).isEqualTo("<p>No todos!</p>");
+    }
+
+    @Test
+    public void givenTodoList_whenGetHtmlUsingLamdba_thenHtml() throws IOException {
+        Mustache m = MustacheUtil.getMustacheFactory().compile("todos-lambda.mustache");
+        List<Todo> todos = Arrays.asList(
+          new Todo("Todo 1", "Todo description"),
+          new Todo("Todo 2", "Todo description another"),
+          new Todo("Todo 3", "Todo description another")
+        );
+        todos.get(2).setDone(true);
+        todos.get(2).setCompletedOn(Date.from(Instant.now().plusSeconds(300)));
+
+        Map<String, Object> context = new HashMap<>();
+        context.put("todos", todos);
+        assertThat(executeTemplate(m, context).trim()).contains("Done 5 minutes ago");
+    }
+}

mustache/src/test/java/com/baeldung/springmustache/SpringMustacheApplicationIntegrationTest.java

@@ -0,0 +1,30 @@
+package com.baeldung.springmustache;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.boot.test.web.client.TestRestTemplate;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.boot.test.context.SpringBootTest.WebEnvironment;
+import org.springframework.test.context.junit4.SpringRunner;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest(webEnvironment = WebEnvironment.RANDOM_PORT)
+public class SpringMustacheApplicationIntegrationTest {
+
+    @Autowired
+    private TestRestTemplate restTemplate;
+
+    @Test
+    public void givenIndexPageWhenContainsArticleThenTrue() {
+
+        ResponseEntity<String> entity = this.restTemplate.getForEntity("/article", String.class);
+
+        Assert.assertTrue(entity.getStatusCode().equals(HttpStatus.OK));
+        Assert.assertTrue(entity.getBody().contains("Article Title 0"));
+    }
+
+}