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54 changes: 54 additions & 0 deletions
54
...dk/src/main/java/io/embrace/android/embracesdk/capture/startup/AppStartupDataCollector.kt
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,54 @@ | ||
| package io.embrace.android.embracesdk.capture.startup | ||
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| /** | ||
| * Collects relevant information during app startup to be used to produce telemetry about the startup workflow. | ||
| * | ||
| * Due to differences in behaviour between platform versions and various startup scenarios, you cannot assume that these methods | ||
| * will be invoked in any order or at all. Implementations need to take into account that fact when using the underlying data. | ||
| */ | ||
| internal interface AppStartupDataCollector { | ||
| /** | ||
| * Set the time when the application object initialization was started | ||
| */ | ||
| fun applicationInitStart(timestampMs: Long? = null) | ||
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| /** | ||
| * Set the time when the application object initialization has finished | ||
| */ | ||
| fun applicationInitEnd(timestampMs: Long? = null) | ||
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| /** | ||
| * Set the time just prior to the creation of the Activity whose rendering will denote the end of the startup workflow | ||
| */ | ||
| fun startupActivityPreCreated(timestampMs: Long? = null) | ||
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| /** | ||
| * Set the time for the start of the initialization of the Activity whose rendering will denote the end of the startup workflow | ||
| */ | ||
| fun startupActivityInitStart(timestampMs: Long? = null) | ||
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| /** | ||
| * Set the time just after the creation of the Activity whose rendering will denote the end of the startup workflow | ||
| */ | ||
| fun startupActivityPostCreated(timestampMs: Long? = null) | ||
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| /** | ||
| * Set the time for the end of the initialization of the Activity whose rendering will denote the end of the startup workflow | ||
| */ | ||
| fun startupActivityInitEnd(timestampMs: Long? = null) | ||
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| /** | ||
| * Set the time for when the startup Activity begins to render as well as its name | ||
| */ | ||
| fun startupActivityResumed(activityName: String, timestampMs: Long? = null) | ||
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| /** | ||
| * Set the time for when the startup Activity has finished rendering its first frame as well as its name | ||
| */ | ||
| fun firstFrameRendered(activityName: String, timestampMs: Long? = null) | ||
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| /** | ||
| * Set an arbitrary time interval during startup that is of note | ||
| */ | ||
| fun addTrackedInterval(name: String, startTimeMs: Long, endTimeMs: Long) | ||
| } |
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189 changes: 189 additions & 0 deletions
189
...oid-sdk/src/test/java/io/embrace/android/embracesdk/capture/startup/StartupTrackerTest.kt
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,189 @@ | ||
| package io.embrace.android.embracesdk.capture.startup | ||
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| import android.app.Activity | ||
| import android.app.Application | ||
| import android.os.Build | ||
| import androidx.test.ext.junit.runners.AndroidJUnit4 | ||
| import io.embrace.android.embracesdk.fakes.FakeActivity | ||
| import io.embrace.android.embracesdk.fakes.FakeAppStartupDataCollector | ||
| import io.embrace.android.embracesdk.fakes.FakeClock | ||
| import io.embrace.android.embracesdk.fakes.FakeSplashScreenActivity | ||
| import io.embrace.android.embracesdk.internal.utils.BuildVersionChecker | ||
| import io.embrace.android.embracesdk.logging.InternalEmbraceLogger | ||
| import org.junit.Assert.assertEquals | ||
| import org.junit.Before | ||
| import org.junit.Test | ||
| import org.junit.runner.RunWith | ||
| import org.robolectric.Robolectric | ||
| import org.robolectric.RuntimeEnvironment | ||
| import org.robolectric.android.controller.ActivityController | ||
| import org.robolectric.annotation.Config | ||
|
|
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| @RunWith(AndroidJUnit4::class) | ||
| internal class StartupTrackerTest { | ||
| private lateinit var application: Application | ||
| private lateinit var clock: FakeClock | ||
| private lateinit var dataCollector: FakeAppStartupDataCollector | ||
| private lateinit var logger: InternalEmbraceLogger | ||
| private lateinit var startupTracker: StartupTracker | ||
| private lateinit var defaultActivityController: ActivityController<Activity> | ||
|
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| @Before | ||
| fun setUp() { | ||
| application = RuntimeEnvironment.getApplication() | ||
| clock = FakeClock() | ||
| logger = InternalEmbraceLogger() | ||
| dataCollector = FakeAppStartupDataCollector(clock = clock) | ||
| startupTracker = StartupTracker( | ||
| appStartupDataCollector = dataCollector, | ||
| logger = logger, | ||
| versionChecker = BuildVersionChecker | ||
| ) | ||
| application.registerActivityLifecycleCallbacks(startupTracker) | ||
| defaultActivityController = Robolectric.buildActivity(Activity::class.java) | ||
| } | ||
|
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| @Config(sdk = [Build.VERSION_CODES.UPSIDE_DOWN_CAKE]) | ||
| @Test | ||
| fun `cold start in U`() { | ||
| with(launchActivity()) { | ||
| assertEquals("android.app.Activity", dataCollector.startupActivityName) | ||
| verifyTiming( | ||
| preCreateTime = createTime, | ||
| createTime = createTime, | ||
| postCreateTime = createTime, | ||
| startTime = startTime, | ||
| resumeTime = resumeTime | ||
| ) | ||
| } | ||
| } | ||
|
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| @Config(sdk = [Build.VERSION_CODES.Q]) | ||
| @Test | ||
| fun `cold start in Q`() { | ||
| with(launchActivity()) { | ||
| verifyTiming( | ||
| preCreateTime = createTime, | ||
| createTime = createTime, | ||
| postCreateTime = createTime, | ||
| startTime = startTime, | ||
| resumeTime = resumeTime | ||
| ) | ||
| } | ||
| } | ||
|
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| @Config(sdk = [Build.VERSION_CODES.P]) | ||
| @Test | ||
| fun `cold start in P`() { | ||
| with(launchActivity()) { | ||
| verifyTiming( | ||
| createTime = createTime, | ||
| startTime = startTime, | ||
| resumeTime = resumeTime | ||
| ) | ||
| } | ||
| } | ||
|
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| @Config(sdk = [Build.VERSION_CODES.LOLLIPOP]) | ||
| @Test | ||
| fun `cold start in L`() { | ||
| with(launchActivity()) { | ||
| verifyTiming( | ||
| createTime = createTime, | ||
| startTime = startTime, | ||
| resumeTime = resumeTime | ||
| ) | ||
| } | ||
| } | ||
|
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| @Config(sdk = [Build.VERSION_CODES.UPSIDE_DOWN_CAKE]) | ||
| @Test | ||
| fun `cold start with activity instance recreated`() { | ||
| defaultActivityController.create() | ||
| clock.tick() | ||
| val recreateTime = clock.now() | ||
| defaultActivityController.recreate() | ||
| clock.tick() | ||
| val startTime = clock.now() | ||
| defaultActivityController.start() | ||
| clock.tick() | ||
| val resumeTime = clock.now() | ||
| defaultActivityController.resume() | ||
| clock.tick() | ||
|
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| verifyTiming( | ||
| preCreateTime = recreateTime, | ||
| createTime = recreateTime, | ||
| postCreateTime = recreateTime, | ||
| startTime = startTime, | ||
| resumeTime = resumeTime | ||
| ) | ||
| } | ||
|
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| @Config(sdk = [Build.VERSION_CODES.UPSIDE_DOWN_CAKE]) | ||
| @Test | ||
| fun `cold start with different activities being created and foregrounded first`() { | ||
| defaultActivityController.create() | ||
| clock.tick() | ||
| with(launchActivity(Robolectric.buildActivity(FakeActivity::class.java))) { | ||
| assertEquals("io.embrace.android.embracesdk.fakes.FakeActivity", dataCollector.startupActivityName) | ||
| verifyTiming( | ||
| preCreateTime = createTime, | ||
| createTime = createTime, | ||
| postCreateTime = createTime, | ||
| startTime = startTime, | ||
| resumeTime = resumeTime | ||
| ) | ||
| } | ||
| } | ||
|
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| @Config(sdk = [Build.VERSION_CODES.UPSIDE_DOWN_CAKE]) | ||
| @Test | ||
| fun `cold start initial activity not tracked will use the second for timing`() { | ||
| launchActivity(Robolectric.buildActivity(FakeSplashScreenActivity::class.java)) | ||
| clock.tick() | ||
| with(launchActivity()) { | ||
| assertEquals("android.app.Activity", dataCollector.startupActivityName) | ||
| verifyTiming( | ||
| preCreateTime = createTime, | ||
| createTime = createTime, | ||
| postCreateTime = createTime, | ||
| startTime = startTime, | ||
| resumeTime = resumeTime | ||
| ) | ||
| } | ||
| } | ||
|
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| private fun launchActivity(controller: ActivityController<*> = defaultActivityController): ActivityTiming { | ||
| val createTime = clock.now() | ||
| controller.create() | ||
| clock.tick() | ||
| val startTime = clock.now() | ||
| controller.start() | ||
| clock.tick() | ||
| val resumeTime = clock.now() | ||
| controller.resume() | ||
| clock.tick() | ||
| return ActivityTiming(createTime, startTime, resumeTime) | ||
| } | ||
|
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| private fun verifyTiming( | ||
| preCreateTime: Long? = null, | ||
| createTime: Long, | ||
| postCreateTime: Long? = null, | ||
| startTime: Long, | ||
| resumeTime: Long | ||
| ) { | ||
| assertEquals(preCreateTime, dataCollector.startupActivityPreCreatedMs) | ||
| assertEquals(createTime, dataCollector.startupActivityInitStartMs) | ||
| assertEquals(postCreateTime, dataCollector.startupActivityPostCreatedMs) | ||
| assertEquals(startTime, dataCollector.startupActivityInitEndMs) | ||
| assertEquals(resumeTime, dataCollector.startupActivityResumedMs) | ||
| } | ||
|
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| private data class ActivityTiming( | ||
| val createTime: Long, | ||
| val startTime: Long, | ||
| val resumeTime: Long | ||
| ) | ||
| } |
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