// Copyright 2019 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package com.google.sps;

import static org.junit.Assert.assertEquals;

import java.io.IOException;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
import org.powermock.core.classloader.annotations.SuppressStaticInitializationFor;

@RunWith(JUnit4.class)
@SuppressStaticInitializationFor({"com.google.sps.Firebase"})
public final class FirebaseTest {

  @Test
  public void userLoggedIn() throws IOException {
    boolean result = Firebase.isUserLoggedIn("test");
    assertEquals(true, result);
  }

  @Test
  public void userLoggedInEmpty() throws IOException {
    boolean result = Firebase.isUserLoggedIn("");
    assertEquals(false, result);
  }
}

// Copyright 2019 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package com.google.sps;

import static org.junit.Assert.assertEquals;

import java.io.IOException;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.powermock.core.classloader.annotations.SuppressStaticInitializationFor;
import org.powermock.modules.junit4.PowerMockRunner;

@RunWith(PowerMockRunner.class)
@SuppressStaticInitializationFor({"com.google.sps.Firebase"})
public final class FirebaseTest {

  @Test
  public void userLoggedIn() throws IOException {
    boolean result = Firebase.isUserLoggedIn("test");
    assertEquals(true, result);
  }

  @Test
  public void userLoggedInEmpty() throws IOException {
    boolean result = Firebase.isUserLoggedIn("");
    assertEquals(false, result);
  }
}

Change to run with PowerMockRunner