tests/robotests/src/com/android/settings/applications/PhotosViewHolderControllerTest.java

package com.android.settings.applications;

import static com.google.common.truth.Truth.assertThat;

import static org.mockito.Matchers.nullable;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import android.app.Fragment;
import android.content.Context;
import android.content.Intent;
import android.os.UserHandle;
import android.os.storage.VolumeInfo;
import android.view.LayoutInflater;

import com.android.settings.TestConfig;
import com.android.settings.testutils.SettingsRobolectricTestRunner;
import com.android.settingslib.applications.StorageStatsSource;
import com.android.settingslib.deviceinfo.StorageVolumeProvider;

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Answers;
import org.mockito.ArgumentCaptor;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.robolectric.RuntimeEnvironment;
import org.robolectric.annotation.Config;

@RunWith(SettingsRobolectricTestRunner.class)
@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
public class PhotosViewHolderControllerTest {
    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
    private Fragment mFragment;

    @Mock private StorageVolumeProvider mSvp;
    @Mock private StorageStatsSource mSource;

    private Context mContext;
    private PhotosViewHolderController mController;
    private VolumeInfo mVolume;
    private AppViewHolder mHolder;

    @Before
    public void setUp() throws Exception {
        MockitoAnnotations.initMocks(this);
        mContext = RuntimeEnvironment.application;
        mVolume = new VolumeInfo("id", 0, null, "id");
        mController =
                new PhotosViewHolderController(
                        mContext, mSource, mVolume.fsUuid, new UserHandle(0));

        LayoutInflater inflater = LayoutInflater.from(mContext);
        mHolder = AppViewHolder.createOrRecycle(inflater, null);
    }

    @Test
    public void storageShouldBeZeroBytesIfQueriedBeforeStorageQueryFinishes() {
        mController.setupView(mHolder);

        assertThat(mHolder.summary.getText().toString()).isEqualTo("0.00B");
    }

    @Test
    public void storageShouldRepresentStorageStatsQuery() throws Exception {
        when(mSource.getExternalStorageStats(nullable(String.class), nullable(UserHandle.class)))
                .thenReturn(new StorageStatsSource.ExternalStorageStats(1, 0, 1, 10, 0));

        mController.queryStats();
        mController.setupView(mHolder);

        assertThat(mHolder.summary.getText().toString()).isEqualTo("11.00B");
    }

    @Test
    public void clickingShouldIntentIntoFilesApp() {
        mController.onClick(mFragment);

        final ArgumentCaptor<Intent> argumentCaptor = ArgumentCaptor.forClass(Intent.class);
        verify(mFragment).startActivity(argumentCaptor.capture());
        Intent intent = argumentCaptor.getValue();

        assertThat(intent.getType()).isEqualTo("image/*");
        assertThat(intent.getAction()).isEqualTo(android.content.Intent.ACTION_VIEW);
        assertThat(intent.getBooleanExtra(Intent.EXTRA_FROM_STORAGE, false)).isTrue();
    }
}