Automatically record and replay OkHttp network interaction through your Android application. This project was based on the great Betamax library - which was inspired by Ruby's awesome VCR gem.
You don’t want 3rd party downtime, network issues or resource constraints (such as the Twitter API’s rate limit) to break your tests. Writing custom stub web server code and configuring the application to connect to a different URI when under test is tedious and might not accurately simulate the real service.
OkReplay aims to solve these problems by intercepting HTTP connections initiated by your application and replaying previously recorded responses.
The first time a test annotated with @OkReplay is run, any HTTP traffic is recorded to a tape and
subsequent test runs will play back the recorded HTTP response from the tape without actually
connecting to the external server.
OkReplay works with JUnit and Espresso. OkReplay can be used to test any Java or Android applications,
provided they are using an OkHttpClient to make requests.
Tapes are stored to disk as YAML files and can be modified (or even created) by hand and committed to your project’s source control repository so they can be shared by other members of your team and used by your CI server. Different tests can use different tapes to simulate various response conditions. Each tape can hold multiple request/response interactions. An example tape file can be found here.
OkReplay comes as an OkHttp Interceptor. When "started", responses are served from the Tape file
when a match is found for the MatchRule and the TapeMode is readable. If the Tape is writable,
responses will be served from the network as usual and the interaction will be stored on a Tape.
Add the OkReplayInterceptor to your OkHttpClient:
OkReplayInterceptor okReplayInterceptor = new OkReplayInterceptor();
OkHttpClient client = new OkHttpClient.Builder()
.addInterceptor(okReplayInterceptor)
.build()By default the interceptor won't do anything unless it's explicitly started.
In your instrumentation test class, add:
private final ActivityTestRule<MainActivity> activityTestRule =
new ActivityTestRule<>(MainActivity.class);
private final OkReplayConfig configuration = new OkReplayConfig.Builder()
.tapeRoot(new AndroidTapeRoot(getContext(), getClass()))
.defaultMode(TapeMode.READ_WRITE) // or TapeMode.READ_ONLY
.sslEnabled(true)
.interceptor(okReplayInterceptor))
.build();
@Rule public final TestRule testRule =
new OkReplayRuleChain(configuration, activityTestRule).get();
@Test
@OkReplay
public void testFooBar() {
// write your test as usual...
}IMPORTANT: If you already have one, remove the @Rule annotation from your ActivityTestRule.
Add the classpath and apply the plugin in your build.config:
buildscript {
repositories {
maven { url 'https://oss.sonatype.org/content/repositories/snapshots/' }
}
dependencies {
classpath 'com.airbnb.okreplay:gradle-plugin:1.5.0'
}
}
apply plugin: 'okreplay'
You should now see these two tasks when you run ./gradlew tasks:
clearDebugOkReplayTapes - Remove OkReplay tapes from the device
pullDebugOkReplayTapes - Pull OkReplay tapes from the device
Download the latest JAR or grab via Maven:
<dependency>
<groupId>com.airbnb.okreplay</groupId>
<artifactId>okreplay</artifactId>
<version>1.5.0</version>
</dependency>or Gradle:
debugImplementation 'com.airbnb.okreplay:okreplay:1.5.0'
releaseImplementation 'com.airbnb.okreplay:noop:1.5.0'
androidTestImplementation 'com.airbnb.okreplay:espresso:1.5.0'Snapshots of the development version are available in Sonatype's snapshots repository.
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
http://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.
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