Testing native @JsType in GWT tests

Hi,

I've a simple JavaScript:

var ns = {

  Person: function() {

    this.sayHello = function() {

      return 'Hi';

    };

  }

}

And I used it to test JsInterop annotation `@JsType` in my GWT test. I injected JS code to

GWTTestCase and tried to retrieve the definition via `@JsType`. However, it doesn't

work, it seems that GWT cannot find the method (see Travis CI [1]):

> [INFO] [ERROR] function @io.mincongh.client.interop.GwtTestJsInterop$Person::sayHello() NOT FOUND, thisObj: com.google.gwt.dev.shell.JavaObject@43182ce3, methodName: @io.mincongh.client.interop.GwtTestJsInterop$Person::sayHello()

> [INFO] Tests run: 2, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 11.342 sec <<< FAILURE!

Actually, my code is pretty simple:

public class GwtTestJsInterop extends GWTTestCase {

  @Override

  public void gwtSetUp() {

    String js = "var ns = { Person: function() { this.sayHello = function() { return 'Hi'; }; } }";

    ScriptInjector.fromString(js).inject();

  }

  @Override

  public String getModuleName() {

    return R.JUNIT_MODULE;

  }

  public void testJsni() {

    assertEquals("Hi", sayHello());

  }

  private native String sayHello() /*-{

    var p = new ns.Person();

    return p.sayHello();

  }-*/;

  public void testJsType() {

    Person p = new Person();

    String words = p.sayHello();

    assertEquals("Hi", words);

  }

  @JsType(namespace = "ns", isNative = true)

  private static class Person {

    public native String sayHello();

  }

}

Note: The 2nd test method, `testJsni()`, runs successfully, so the JS should be

injected correctly. I also have the flag `generateJsInteropExports` enabled in the

Maven GWT plugin in the POM [2]. So what am I missing?

I'm using GWT 2.8.2 and Maven GWT plugin 2.8.2. Any help will be appreciated!

Thank you,

Mincong HUANG

[1]: https://travis-ci.org/mincong-h/learning-gwt/builds/351967694#L754

[2]: https://github.com/mincong-h/learning-gwt/blob/ccb8fee02fcae78b1a5db62d5722cd29ace53286/pom.xml#L106

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