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Commit 4b38ffab authored by Tri Vo's avatar Tri Vo
Browse files

trusty: metrics: Drain events before each test 

Also add tighter checks to make sure we didn't drop events.

Bug: 240617890
Test: libtrusty_metrics_test
Change-Id: I0029d91ad0ff67eb97913b2316efca627b118616
parent 45545c68

trusty/metrics/metrics_test.cpp

+18 −0
Original line number Diff line number Diff line
@@ -61,6 +61,18 @@ class TrustyMetricsTest : public TrustyMetrics, public ::testing::Test { 
    virtual void SetUp() override {

        auto ret = Open();

        ASSERT_TRUE(ret.ok()) << ret.error();



        /* Drain events (if any) and reset state */

        DrainEvents();

        crashed_app_.clear();

        event_drop_count_ = 0;

    }



    void DrainEvents() {

        while (WaitForEvent(1000 /* 1 second timeout */).ok()) {

            auto ret = HandleEvent();

            ASSERT_TRUE(ret.ok()) << ret.error();

        }

    }



    void WaitForAndHandleEvent() {
@@ -79,6 +91,9 @@ TEST_F(TrustyMetricsTest, Crash) { 
    TriggerCrash();

    WaitForAndHandleEvent();



    /* Check that no event was dropped. */

    ASSERT_EQ(event_drop_count_, 0);



    /* Check that correct TA crashed. */

    ASSERT_EQ(crashed_app_, "36f5b435-5bd3-4526-8b76-200e3a7e79f3:crasher");

}
@@ -110,6 +125,9 @@ TEST_F(TrustyMetricsTest, PollSet) { 
    auto ret = HandleEvent();

    ASSERT_TRUE(ret.ok()) << ret.error();



    /* Check that no event was dropped. */

    ASSERT_EQ(event_drop_count_, 0);



    /* Check that correct TA crashed. */

    ASSERT_EQ(crashed_app_, "36f5b435-5bd3-4526-8b76-200e3a7e79f3:crasher");

}