Skip to content

Instantly share code, notes, and snippets.

@MaksimDmitriev

MaksimDmitriev/FileUtils.java

Created January 26, 2018 09:26
Show Gist options

  • Select an option

    Learn more about clone URLs
  • Save MaksimDmitriev/1ceea5c08abb5fa9dc485fce7f71f630 to your computer and use it in GitHub Desktop.

Select an option

Learn more about clone URLs
Save MaksimDmitriev/1ceea5c08abb5fa9dc485fce7f71f630 to your computer and use it in GitHub Desktop.
Download ZIP

Revisions

  1. MaksimDmitriev created this gist Jan 26, 2018.
    11 changes: 11 additions & 0 deletions FileUtils.java
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,11 @@
    package sample.com.sample_app;

    import android.support.annotation.NonNull;

    public class FileUtils {

    @NonNull
    public static String generateName() {
    return Long.toString(System.currentTimeMillis());
    }
    }
    23 changes: 23 additions & 0 deletions FileUtilsTest.java
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,23 @@
    package sample.com.sample_app;

    import org.junit.Test;
    import org.junit.runner.RunWith;
    import org.powermock.api.mockito.PowerMockito;
    import org.powermock.core.classloader.annotations.PrepareForTest;
    import org.powermock.modules.junit4.PowerMockRunner;

    import static junit.framework.TestCase.assertEquals;

    @RunWith(PowerMockRunner.class)
    @PrepareForTest({System.class})
    public class FileUtilsTest {

    @Test
    public void generateName() {
    PowerMockito.spy(System.class);
    PowerMockito.when(System.currentTimeMillis()).thenReturn(100L);

    String name = FileUtils.generateName();
    assertEquals("100", name);
    }
    }
    36 changes: 36 additions & 0 deletions build.gradle
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,36 @@
    apply plugin: 'com.android.application'

    android {
    compileSdkVersion 26
    defaultConfig {
    applicationId "sample.com.sample_app"
    minSdkVersion 15
    targetSdkVersion 26
    versionCode 1
    versionName "1.0"
    testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
    }
    buildTypes {
    release {
    minifyEnabled false
    proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
    }
    }
    }

    dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation 'com.android.support:appcompat-v7:26.1.0'
    implementation 'com.android.support.constraint:constraint-layout:1.0.2'
    testImplementation 'junit:junit:4.12'
    androidTestImplementation 'com.android.support.test:runner:1.0.1'
    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'

    testImplementation 'org.mockito:mockito-core:2.8.9'

    String powerMockVersion = "1.7.3"
    testImplementation "org.powermock:powermock-module-junit4:${powerMockVersion}"
    testImplementation "org.powermock:powermock-api-mockito2:${powerMockVersion}"


    }