oas-cli/src/test/java/com/apigee/security/oas/CommandLineModuleTest.java

package com.apigee.security.oas;

import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.catchThrowable;

import com.google.inject.Guice;
import com.google.inject.Injector;
import java.io.PrintWriter;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;

@RunWith(JUnit4.class)
public class CommandLineModuleTest {

  private Injector injector;

  @Before
  public void setup() {
    injector = Guice.createInjector(new CommandLineModule());
  }

  @Test
  public void createCommandLineParser_shouldNotThrowException() {
    assertThat(catchThrowable(() -> injector.getInstance(CommandLineParser.class)))
        .doesNotThrowAnyException();
  }

  @Test
  public void createCommandLineArgs_shouldNotThrowException() {
    assertThat(catchThrowable(() -> injector.getInstance(CommandLineArgs.class)))
        .doesNotThrowAnyException();
  }

  @Test
  public void createPrintWriter_shouldNotThrowException() {
    assertThat(catchThrowable(() -> injector.getInstance(PrintWriter.class).close()))
        .doesNotThrowAnyException();
  }
}