allow changing context path, by using a template for index.html

scm-webapp/src/test/java/sonia/scm/TemplatingPushStateDispatcherTest.java

@@ -0,0 +1,66 @@
+package sonia.scm;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.ArgumentCaptor;
+import org.mockito.Mock;
+import org.mockito.junit.MockitoJUnitRunner;
+import sonia.scm.template.Template;
+import sonia.scm.template.TemplateEngine;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.io.Writer;
+
+import static org.junit.Assert.assertEquals;
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+@RunWith(MockitoJUnitRunner.class)
+public class TemplatingPushStateDispatcherTest {
+
+  @Mock
+  private HttpServletRequest request;
+
+  @Mock
+  private HttpServletResponse response;
+
+  @Mock
+  private TemplateEngine templateEngine;
+
+  @Mock
+  private Template template;
+
+  private TemplatingPushStateDispatcher dispatcher;
+
+  @Before
+  public void setUpMocks() {
+    dispatcher = new TemplatingPushStateDispatcher(templateEngine);
+  }
+
+  @Test
+  public void testDispatch() throws IOException {
+    when(request.getContextPath()).thenReturn("/scm");
+    when(templateEngine.getTemplate(TemplatingPushStateDispatcher.TEMPLATE)).thenReturn(template);
+
+    when(response.getWriter()).thenReturn(new PrintWriter(new StringWriter()));
+
+    dispatcher.dispatch(request, response, "/someurl");
+
+    verify(response).setContentType("text/html");
+    verify(response).setCharacterEncoding("UTF-8");
+
+    ArgumentCaptor<Object> captor = ArgumentCaptor.forClass(Object.class);
+
+    verify(template).execute(any(Writer.class), captor.capture());
+
+    TemplatingPushStateDispatcher.IndexHtmlModel model = (TemplatingPushStateDispatcher.IndexHtmlModel) captor.getValue();
+    assertEquals("/scm", model.getContextPath());
+  }
+
+}