Allow retrieving headers from response filters, via RequestView.

1 files changed, 57 insertions, 0 deletions

diff --git a/jdisc_http_service/src/test/java/com/yahoo/jdisc/http/filter/RequestViewImplTest.java b/jdisc_http_service/src/test/java/com/yahoo/jdisc/http/filter/RequestViewImplTest.java
new file mode 100644
index 00000000000..d8ba8bac14a
--- /dev/null
+++ b/jdisc_http_service/src/test/java/com/yahoo/jdisc/http/filter/RequestViewImplTest.java
@@ -0,0 +1,57 @@
+// Copyright 2017 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.jdisc.http.filter;
+
+import com.google.common.collect.Lists;
+import com.yahoo.jdisc.HeaderFields;
+import com.yahoo.jdisc.Request;
+import com.yahoo.jdisc.http.filter.SecurityResponseFilterChain.RequestViewImpl;
+import org.testng.annotations.Test;
+
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+import static org.testng.Assert.assertEquals;
+
+/**
+ * @author gjoranv
+ */
+public class RequestViewImplTest {
+
+    @Test
+    public void header_from_the_parent_request_is_available() throws Exception {
+        final String HEADER = "single-header";
+
+        HeaderFields parentHeaders = new HeaderFields();
+        parentHeaders.add(HEADER, "value");
+
+        RequestView requestView = newRequestView(parentHeaders);
+
+        assertEquals(requestView.getFirstHeader(HEADER).get(), "value");
+        assertEquals(requestView.getHeaders(HEADER).size(), 1);
+        assertEquals(requestView.getHeaders(HEADER).get(0), "value");
+    }
+
+
+    @Test
+    public void multi_value_header_from_the_parent_request_is_available() throws Exception {
+        final String HEADER = "list-header";
+
+        HeaderFields parentHeaders = new HeaderFields();
+        parentHeaders.add(HEADER, Lists.newArrayList("one", "two"));
+
+        RequestView requestView = newRequestView(parentHeaders);
+
+        assertEquals(requestView.getHeaders(HEADER).size(), 2);
+        assertEquals(requestView.getHeaders(HEADER).get(0), "one");
+        assertEquals(requestView.getHeaders(HEADER).get(1), "two");
+
+        assertEquals(requestView.getFirstHeader(HEADER).get(), "one");
+    }
+
+    private static RequestView newRequestView(HeaderFields parentHeaders) {
+        Request request = mock(Request.class);
+        when(request.headers()).thenReturn(parentHeaders);
+
+        return new RequestViewImpl(request);
+    }
+
+}