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[fenix] For https://github.com/mozilla-mobile/fenix/issues/15279: add component init count to StartupExcessiveResourceUseTest.

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Michael Comella 2020-10-30 13:42:50 -07:00 committed by Michael Comella
parent e0ee4f6d40
commit 17b32070dd
1 changed files with 31 additions and 26 deletions
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57
app/src/androidTest/java/org/mozilla/fenix/ui/StartupExcessiveResourceUseTest.kt
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@ -12,36 +12,27 @@ import org.junit.Test
import org.mozilla.fenix.perf.RunBlockingCounter
import org.mozilla.fenix.ext.components
import org.mozilla.fenix.helpers.HomeActivityTestRule
import org.mozilla.fenix.perf.ComponentInitCount
// PLEASE CONSULT WITH PERF TEAM BEFORE CHANGING THIS VALUE.
// BEFORE INCREASING THESE VALUES, PLEASE CONSULT WITH THE PERF TEAM.
private const val EXPECTED_SUPPRESSION_COUNT = 11
private const val EXPECTED_RUNBLOCKING_COUNT = 2
private const val STRICTMODE_FAILURE_MSG = """StrictMode startup suppression count does not match expected count.
If this PR removed code that suppressed StrictMode, great! Please decrement the suppression count.
Did this PR add or call code that suppresses a StrictMode violation?
Did you know that suppressing a StrictMode violation can introduce performance regressions?
private const val EXPECTED_COMPONENT_INIT_COUNT = 42
If so, please do your best to implement a solution without suppressing StrictMode.
Please consult the perf team if you have questions or believe suppressing StrictMode
is the optimal solution.
private val failureMsgStrictMode = getErrorMessage(
shortName = "StrictMode suppression",
implications = "suppressing a StrictMode violation can introduce performance regressions?"
)
"""
private val failureMsgRunBlocking = getErrorMessage(
shortName = "runBlockingIncrement",
implications = "using runBlocking may block the main thread and have other negative performance implications?"
)
private const val RUNBLOCKING_FAILURE_MSG = """RunblockingCounter startup count does not match expected count.
If this PR removed code that removed a RunBlocking call, great! Please decrement the suppression count.
Did this PR add or call code that incremented the RunBlockingCounter?
Did you know that using runBlocking can have negative perfomance implications?
If so, please do your best to implement a solution without blocking the main thread.
Please consult the perf team if you have questions or believe that using runBlocking
is the optimal solution.
"""
private val failureMsgComponentInit = getErrorMessage(
shortName = "Component init",
implications = "initializing new components on start up may be an indication that we're doing more work than necessary on start up?"
)
/**
* A performance test to limit the number of StrictMode suppressions and number of runBlocking used
@ -75,8 +66,22 @@ class StartupExcessiveResourceUseTest {
// causing this number to fluctuate depending on device speed. We'll deal with it if it occurs.
val actualSuppresionCount = activityTestRule.activity.components.strictMode.suppressionCount.get().toInt()
val actualRunBlocking = RunBlockingCounter.count.get()
val actualComponentInitCount = ComponentInitCount.count.get()
assertEquals(STRICTMODE_FAILURE_MSG, EXPECTED_SUPPRESSION_COUNT, actualSuppresionCount)
assertEquals(RUNBLOCKING_FAILURE_MSG, EXPECTED_RUNBLOCKING_COUNT, actualRunBlocking)
assertEquals(failureMsgStrictMode, EXPECTED_SUPPRESSION_COUNT, actualSuppresionCount)
assertEquals(failureMsgRunBlocking, EXPECTED_RUNBLOCKING_COUNT, actualRunBlocking)
assertEquals(failureMsgComponentInit, EXPECTED_COMPONENT_INIT_COUNT, actualComponentInitCount)
}
}
private fun getErrorMessage(shortName: String, implications: String) = """$shortName count does not match expected count.
If this PR removed a $shortName call, great! Please decrease the count.
Did this PR add or call code that increases the $shortName count?
Did you know that $implications
Please do your best to implement a solution without adding $shortName calls.
Please consult the perf team if you have questions or believe that having this call
is the optimal solution.
"""