NativeFunctionNameTest.java

package org.smoothbuild.lang.function.nativ;

import static org.smoothbuild.lang.function.base.Name.name;
import static org.smoothbuild.lang.function.nativ.NativeFunctionFactory.nativeFunctions;
import static org.smoothbuild.lang.function.nativ.TestingUtils.function;
import static org.smoothbuild.testing.common.ExceptionMatcher.exception;
import static org.testory.Testory.thenReturned;
import static org.testory.Testory.thenThrown;
import static org.testory.Testory.when;

import org.junit.Test;
import org.smoothbuild.lang.plugin.Container;
import org.smoothbuild.lang.plugin.SmoothFunction;
import org.smoothbuild.lang.value.SString;

import com.google.common.hash.HashCode;

public class NativeFunctionNameTest {
  @Test
  public void method_with_name_that_is_illegal_smooth_name_causes_exception() throws Exception {
    when(() -> nativeFunctions(IllegalFunctionName.class, HashCode.fromInt(13)));
    thenThrown(exception(new NativeFunctionImplementationException(IllegalFunctionName.class
        .getMethod("illegal_$_name", Container.class), "Its name illegal_$_name is illegal.")));
  }

  public static class IllegalFunctionName {
    @SmoothFunction
    public static SString illegal_$_name(Container container) {
      return null;
    }
  }

  @Test
  public void function_name_is_equal_to_method_name() throws Exception {
    when(function(SimpleFunction.class).name());
    thenReturned(name("myFunction"));
  }

  public static class SimpleFunction {
    @SmoothFunction
    public static SString myFunction(Container container) {
      return null;
    }
  }
}