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Add unittest to verify mux toggle active #94

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Jun 30, 2022
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Add unittest to verify mux toggle active #94

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28 changes: 28 additions & 0 deletions test/LinkManagerStateMachineActiveActiveTest.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -468,4 +468,32 @@ TEST_F(LinkManagerStateMachineActiveActiveTest, LinkmgrdBootupSequenceHeartBeatF
EXPECT_EQ(mDbInterfacePtr->mLastSetMuxState, mux_state::MuxState::Label::Active);
}

TEST_F(LinkManagerStateMachineActiveActiveTest, LinkmgrdBootupSequenceHeartBeatFirstMuxUnknown)
{
activateStateMachine();
VALIDATE_STATE(Wait, Wait, Down);

postLinkEvent(link_state::LinkState::Up);
VALIDATE_STATE(Wait, Wait, Up);

// the first toggle fails because the the inital mux state
// is standby when linkmgrd first boots up
postLinkProberEvent(link_prober::LinkProberState::Active, 4);
VALIDATE_STATE(Active, Active, Up);
EXPECT_EQ(mDbInterfacePtr->mSetMuxStateInvokeCount, 1);
EXPECT_EQ(mDbInterfacePtr->mLastSetMuxState, mux_state::MuxState::Label::Active);

handleMuxState("unknown", 3);
VALIDATE_STATE(Active, Unknown, Up);

handleProbeMuxState("unknown", 3);
VALIDATE_STATE(Active, Unknown, Up);

// xcvrd now answers the mux probe
handleProbeMuxState("active", 4);
VALIDATE_STATE(Active, Active, Up);
EXPECT_EQ(mDbInterfacePtr->mSetMuxStateInvokeCount, 2);
EXPECT_EQ(mDbInterfacePtr->mLastSetMuxState, mux_state::MuxState::Label::Active);
}

} /* namespace test */