Fix the module, add an extremely basic compile test

Author: niloc132

grpc-web-gwt-fetch/src/main/module.gwt.xml

@@ -1,4 +1,5 @@
 <module>
+    <inherits name="elemental2.dom.Dom" />
     <inherits name="io.grpc.Grpc" />
     <source path="" />
 </module>

grpc-web-gwt-fetch/src/test/java/com/vertispan/grpc/fetch/FetchCompileTest.java

@@ -0,0 +1,18 @@
+package com.vertispan.grpc.fetch;
+
+import com.google.gwt.junit.client.GWTTestCase;
+import elemental2.dom.URL;
+
+public class FetchCompileTest extends GWTTestCase {
+    @Override
+    public String getModuleName() {
+        return "com.vertispan.grpc.fetch.Fetch";
+    }
+
+    public void testCompile() {
+        // Don't actually use the channel at this time, just make sure it
+        // compiles, with other bits of gRPC along with it
+        FetchChannel channel = new FetchChannel(new URL("https://localhost:8080"));
+        assertEquals("localhost:8080", channel.authority());
+    }
+}

grpc-web-gwt-fetch/src/test/java/com/vertispan/grpc/fetch/FetchSuite.java

@@ -0,0 +1,15 @@
+package com.vertispan.grpc.fetch;
+
+import com.google.gwt.core.shared.GwtIncompatible;
+import com.google.gwt.junit.tools.GWTTestSuite;
+
+@GwtIncompatible
+public class FetchSuite {
+    public static GWTTestSuite suite() {
+        GWTTestSuite suite = new GWTTestSuite("gRPC Fetch Emulation Tests");
+
+        suite.addTestSuite(FetchCompileTest.class);
+
+        return suite;
+    }
+}