Remove Content-Type check

src/main/java/co/zeroae/gate/App.java

@@ -40,10 +40,6 @@ public APIGatewayProxyResponseEvent handleRequest(APIGatewayProxyRequestEvent in
                 .withHeaders(new HashMap<>());
         response.getHeaders().put("Content-Type", "text/plain");
 
-        if (!input.getHeaders().get("Content-Type").equalsIgnoreCase("text/plain")) {
-            return response.withBody("We only support text/plain input.").withStatusCode(400);
-        }
-
         try {
             final Document doc = Factory.newDocument(input.getBody());
             final Corpus corpus = application.getCorpus();

src/test/java/co/zeroae/gate/AppTest.java

@@ -2,6 +2,8 @@
 
 import com.amazonaws.services.lambda.runtime.events.APIGatewayProxyRequestEvent;
 import com.amazonaws.services.lambda.runtime.events.APIGatewayProxyResponseEvent;
+import org.junit.Before;
+import org.junit.BeforeClass;
 import org.junit.Test;
 
 import java.util.Collections;
@@ -12,30 +14,47 @@
 import static com.github.stefanbirkner.systemlambda.SystemLambda.*;
 
 public class AppTest {
-  @Test
-  public void successfulResponse() throws Exception {
-    App app = withEnvironmentVariable("GATE_APP_NAME", "annie")
-      .execute(App::new);
-
-    // Create the Input
-    final HashMap<String, String> input_headers = new HashMap<>();
-    input_headers.put("Content-Type", "text/plain");
-    APIGatewayProxyRequestEvent input = new APIGatewayProxyRequestEvent()
-            .withHttpMethod("POST")
-            .withHeaders(Collections.unmodifiableMap(input_headers))
-            .withBody("This is a test. My name is LambdaTestFunction, and I just watched the T.V. show Wanda Vision.");
-
-    // Context
-    final TestContext context = new TestContext();
-
-    // Invoke the App
-    final APIGatewayProxyResponseEvent result = app.handleRequest(input, context);
-
-    // Assert Results
-    assertEquals(result.getStatusCode().intValue(), 200);
-    assertEquals(result.getHeaders().get("Content-Type"), "application/xml");
-    final String content = result.getBody();
-    assertNotNull(content);
-    assertTrue(content.contains("GateDocument version=\"3\""));
-  }
+
+    @BeforeClass
+    public static void setUpClass() throws Exception {
+        app = withEnvironmentVariable("GATE_APP_NAME", "annie")
+                .execute(App::new);
+    }
+
+    private static App app = null;
+
+    @Test
+    public void successfulResponse() throws Exception {
+        // Create the Input
+        final HashMap<String, String> input_headers = new HashMap<>();
+        input_headers.put("Content-Type", "text/plain");
+        APIGatewayProxyRequestEvent input = new APIGatewayProxyRequestEvent()
+                .withHttpMethod("POST")
+                .withHeaders(Collections.unmodifiableMap(input_headers))
+                .withBody("This is a test. My name is LambdaTestFunction, and I just watched the T.V. show Wanda Vision.");
+
+        // Context
+        final TestContext context = new TestContext();
+
+        // Invoke the App
+        final APIGatewayProxyResponseEvent result = app.handleRequest(input, context);
+
+        // Assert Results
+        assertEquals(result.getStatusCode().intValue(), 200);
+        assertEquals(result.getHeaders().get("Content-Type"), "application/xml");
+        final String content = result.getBody();
+        assertNotNull(content);
+        assertTrue(content.contains("GateDocument version=\"3\""));
+    }
+
+    @Test
+    public void testMissingContentType() throws Exception {
+        APIGatewayProxyRequestEvent input = new APIGatewayProxyRequestEvent()
+                .withHttpMethod("POST")
+                .withHeaders(Collections.unmodifiableMap(new HashMap<>()))
+                .withBody("I am still valid text...");
+        final TestContext context = new TestContext();
+        final APIGatewayProxyResponseEvent result = app.handleRequest(input, context);
+        assertEquals(result.getStatusCode().intValue(), 200);
+    }
 }