How to use

forSourceString

method

in

com.google.testing.compile.JavaFileObjects

@Test public void textChangedWithWrongParameter() {
 JavaFileObject source = JavaFileObjects.forSourceString("test.Test", ""
     + "package test;\n"
     + "import butterknife.OnTextChanged;\n"
     + "public class Test {\n"
     + "  @OnTextChanged(1) void doStuff(String p0, int p1, int p2, int p3) {}\n"
     + "}"
 );
 assertAbout(javaSource()).that(source)
     .withCompilerOptions("-Xlint:-processing")
     .processedWith(new ButterKnifeProcessor())
     .failsToCompile();
}

@Test public void failsWithInvalidId() {
 JavaFileObject source = JavaFileObjects.forSourceString("test.Test", ""
   + "package test;\n"
   + "import butterknife.OnItemClick;\n"
   + "public class Test {\n"
   + "  @OnItemClick({1, -1}) void doStuff() {}\n"
   + "}"
 );
 assertAbout(javaSource()).that(source)
   .processedWith(new ButterKnifeProcessor())
   .failsToCompile()
   .withErrorContaining("@OnItemClick annotation contains invalid ID -1. (test.Test.doStuff)")
   .in(source).onLine(4);
}

@Test public void typeMustBeTypeface() {
 JavaFileObject source = JavaFileObjects.forSourceString("test.Test", ""
   + "package test;\n"
   + "import butterknife.BindFont;\n"
   + "public class Test {\n"
   + "  @BindFont(1) String one;\n"
   + "}"
 );
 assertAbout(javaSource()).that(source)
   .processedWith(new ButterKnifeProcessor())
   .failsToCompile()
   .withErrorContaining("@BindFont field type must be 'Typeface'. (test.Test.one)")
   .in(source).onLine(4);
}

@Test public void failsInAndroidPackage() {
 JavaFileObject source = JavaFileObjects.forSourceString("test.Test", ""
   + "package android.test;\n"
   + "import butterknife.OnClick;\n"
   + "public class Test {\n"
   + "  @OnClick(1) void doStuff() {}\n"
   + "}"
 );
 assertAbout(javaSource()).that(source)
   .processedWith(new ButterKnifeProcessor())
   .failsToCompile()
   .withErrorContaining(
     "@OnClick-annotated class incorrectly in Android framework package. (android.test.Test)")
   .in(source).onLine(4);
}

 @Test public void typeMustBeBoolean() {
  JavaFileObject source = JavaFileObjects.forSourceString("test.Test", ""
    + "package test;\n"
    + "import butterknife.BindBool;\n"
    + "public class Test {\n"
    + "  @BindBool(1) String one;\n"
    + "}"
  );

  assertAbout(javaSource()).that(source)
    .processedWith(new ButterKnifeProcessor())
    .failsToCompile()
    .withErrorContaining("@BindBool field type must be 'boolean'. (test.Test.one)")
    .in(source).onLine(4);
 }
}

 @Test public void typeMustBeAnimation() {
  JavaFileObject source = JavaFileObjects.forSourceString("test.Test", ""
    + "package test;\n"
    + "import butterknife.BindAnim;\n"
    + "public class Test {\n"
    + "  @BindAnim(1) String one;\n"
    + "}"
  );

  assertAbout(javaSource()).that(source)
    .processedWith(new ButterKnifeProcessor())
    .failsToCompile()
    .withErrorContaining("@BindAnim field type must be 'Animation'. (test.Test.one)")
    .in(source).onLine(4);
 }
}

 @Test public void typeMustBeDrawable() {
  JavaFileObject source = JavaFileObjects.forSourceString("test.Test", ""
    + "package test;\n"
    + "import butterknife.BindDrawable;\n"
    + "public class Test {\n"
    + "  @BindDrawable(1) String one;\n"
    + "}"
  );

  assertAbout(javaSource()).that(source)
    .processedWith(new ButterKnifeProcessor())
    .failsToCompile()
    .withErrorContaining("@BindDrawable field type must be 'Drawable'. (test.Test.one)")
    .in(source).onLine(4);
 }
}

@Test public void failsIfArrayNotView() {
 JavaFileObject source = JavaFileObjects.forSourceString("test.Test", ""
   + "package test;\n"
   + "import butterknife.BindViews;\n"
   + "public class Test {\n"
   + "  @BindViews(1) String[] thing;\n"
   + "}"
 );
 assertAbout(javaSource()).that(source)
   .processedWith(new ButterKnifeProcessor())
   .failsToCompile()
   .withErrorContaining(
     "@BindViews List or array type must extend from View or be an interface. (test.Test.thing)")
   .in(source).onLine(4);
}

 @Test public void typeMustBeBitmap() {
  JavaFileObject source = JavaFileObjects.forSourceString("test.Test", ""
    + "package test;\n"
    + "import butterknife.BindBitmap;\n"
    + "public class Test {\n"
    + "  @BindBitmap(1) String one;\n"
    + "}"
  );

  assertAbout(javaSource()).that(source)
    .processedWith(new ButterKnifeProcessor())
    .failsToCompile()
    .withErrorContaining("@BindBitmap field type must be 'Bitmap'. (test.Test.one)")
    .in(source).onLine(4);
 }
}

@Test public void failsInJavaPackage() {
 JavaFileObject source = JavaFileObjects.forSourceString("test.Test", ""
   + "package java.test;\n"
   + "import butterknife.OnClick;\n"
   + "public class Test {\n"
   + "  @OnClick(1) void doStuff() {}\n"
   + "}"
 );
 assertAbout(javaSource()).that(source)
   .processedWith(new ButterKnifeProcessor())
   .failsToCompile()
   .withErrorContaining(
     "@OnClick-annotated class incorrectly in Java framework package. (java.test.Test)")
   .in(source).onLine(4);
}

@Test public void failsIfNoGenericType() {
 JavaFileObject source = JavaFileObjects.forSourceString("test.Test", ""
   + "package test;\n"
   + "import butterknife.BindViews;\n"
   + "import java.util.List;\n"
   + "public class Test {\n"
   + "  @BindViews(1) List thing;\n"
   + "}"
 );
 assertAbout(javaSource()).that(source)
   .processedWith(new ButterKnifeProcessor())
   .failsToCompile()
   .withErrorContaining("@BindViews List must have a generic component. (test.Test.thing)")
   .in(source).onLine(5);
}

 @Test public void typeMustBeIntOrColorStateList() {
  JavaFileObject source = JavaFileObjects.forSourceString("test.Test", ""
    + "package test;\n"
    + "import butterknife.BindColor;\n"
    + "public class Test {\n"
    + "  @BindColor(1) String one;\n"
    + "}"
  );

  assertAbout(javaSource()).that(source)
    .processedWith(new ButterKnifeProcessor())
    .failsToCompile()
    .withErrorContaining("@BindColor field type must be 'int' or 'ColorStateList'. (test.Test.one)")
    .in(source).onLine(4);
 }
}

@Test public void failsIfNotView() {
 JavaFileObject source = JavaFileObjects.forSourceString("test.Test", ""
   + "package test;\n"
   + "import butterknife.BindView;\n"
   + "public class Test {\n"
   + "  @BindView(1) String thing;\n"
   + "}"
 );
 assertAbout(javaSource()).that(source)
   .processedWith(new ButterKnifeProcessor())
   .failsToCompile()
   .withErrorContaining(
     "@BindView fields must extend from View or be an interface. (test.Test.thing)")
   .in(source).onLine(4);
}

 @Test public void typeMustBeString() {
  JavaFileObject source = JavaFileObjects.forSourceString("test.Test", ""
    + "package test;\n"
    + "import butterknife.BindString;\n"
    + "public class Test {\n"
    + "  @BindString(1) boolean one;\n"
    + "}"
  );

  assertAbout(javaSource()).that(source)
    .processedWith(new ButterKnifeProcessor())
    .failsToCompile()
    .withErrorContaining("@BindString field type must be 'String'. (test.Test.one)")
    .in(source).onLine(4);
 }
}

@Test public void failsIfPrivate() {
 JavaFileObject source = JavaFileObjects.forSourceString("test.Test", ""
   + "package test;\n"
   + "import android.view.View;\n"
   + "import butterknife.BindView;\n"
   + "public class Test {\n"
   + "    @BindView(1) private View thing;\n"
   + "}"
 );
 assertAbout(javaSource()).that(source)
   .processedWith(new ButterKnifeProcessor())
   .failsToCompile()
   .withErrorContaining("@BindView fields must not be private or static. (test.Test.thing)")
   .in(source).onLine(5);
}

 @Test public void typeMustBeFloat() {
  JavaFileObject source = JavaFileObjects.forSourceString("test.Test", ""
    + "package test;\n"
    + "import butterknife.BindFloat;\n"
    + "public class Test {\n"
    + "  @BindFloat(1) String one;\n"
    + "}"
  );

  assertAbout(javaSource()).that(source)
    .processedWith(new ButterKnifeProcessor())
    .failsToCompile()
    .withErrorContaining("@BindFloat field type must be 'float'. (test.Test.one)")
    .in(source).onLine(4);
 }
}

 @Test public void typeMustBeIntOrFloat() {
  JavaFileObject source = JavaFileObjects.forSourceString("test.Test", ""
    + "package test;\n"
    + "import butterknife.BindDimen;\n"
    + "public class Test {\n"
    + "  @BindDimen(1) String one;\n"
    + "}"
  );

  assertAbout(javaSource()).that(source)
    .processedWith(new ButterKnifeProcessor())
    .failsToCompile()
    .withErrorContaining("@BindDimen field type must be 'int' or 'float'. (test.Test.one)")
    .in(source).onLine(4);
 }
}

@Test public void failsIfStatic() {
 JavaFileObject source = JavaFileObjects.forSourceString("test.Test", ""
   + "package test;\n"
   + "import android.view.View;\n"
   + "import butterknife.BindView;\n"
   + "public class Test {\n"
   + "    @BindView(1) static View thing;\n"
   + "}"
 );
 assertAbout(javaSource()).that(source)
   .processedWith(new ButterKnifeProcessor())
   .failsToCompile()
   .withErrorContaining("@BindView fields must not be private or static. (test.Test.thing)")
   .in(source).onLine(5);
}

 @Test public void typeMustBeInt() {
  JavaFileObject source = JavaFileObjects.forSourceString("test.Test", ""
    + "package test;\n"
    + "import butterknife.BindInt;\n"
    + "public class Test {\n"
    + "  @BindInt(1) String one;\n"
    + "}"
  );

  assertAbout(javaSource()).that(source)
    .processedWith(new ButterKnifeProcessor())
    .failsToCompile()
    .withErrorContaining("@BindInt field type must be 'int'. (test.Test.one)")
    .in(source).onLine(4);
 }
}

@Test public void failsIfInInterface() {
 JavaFileObject source = JavaFileObjects.forSourceString("test.Test", ""
   + "package test;\n"
   + "import android.view.View;\n"
   + "import butterknife.BindView;\n"
   + "public interface Test {\n"
   + "    @BindView(1) View thing = null;\n"
   + "}"
 );
 assertAbout(javaSource()).that(source)
   .processedWith(new ButterKnifeProcessor())
   .failsToCompile()
   .withErrorContaining(
     "@BindView fields may only be contained in classes. (test.Test.thing)")
   .in(source).onLine(4);
}