testState.cpp

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/**
 * @file
 * @ingroup daq_ocm_libdaq_test
 * @copyright 2021 ESO - European Southern Observatory
 *
 * @brief Test State functions.
 */
#include <gtest/gtest.h>
#include <daq/state.hpp>
 
#include <fmt/format.h>
#include <fmt/ostream.h>
 
using daq::State;
 
 
TEST(State,  TestFormatString) {
    EXPECT_EQ("NotStarted", fmt::format("{}", State::NotStarted));
    EXPECT_EQ("Starting", fmt::format("{}", State::Starting));
    EXPECT_EQ("Acquiring", fmt::format("{}", State::Acquiring));
    EXPECT_EQ("Stopping", fmt::format("{}", State::Stopping));
    EXPECT_EQ("Stopped", fmt::format("{}", State::Stopped));
    EXPECT_EQ("Aborting", fmt::format("{}", State::Aborting));
    EXPECT_EQ("Aborted", fmt::format("{}", State::Aborted));
}
 
 
TEST(State, IsSubsequentState) {
    // Setup
    auto standard_without_final = {
        State::NotStarted, State::Starting, State::Acquiring, State::Stopping};
 
    // Test
    EXPECT_FALSE(daq::IsSubsequentState(State::Aborting, State::Aborted));
    EXPECT_TRUE(daq::IsSubsequentState(State::Aborted, State::Aborting));
 
    EXPECT_TRUE(daq::IsSubsequentState(State::Starting, State::NotStarted));
    EXPECT_TRUE(daq::IsSubsequentState(State::Acquiring, State::Starting));
    EXPECT_TRUE(daq::IsSubsequentState(State::Stopping, State::Acquiring));
 
 
    // Standard life-cycle states (excluding the final state)
    for (auto state : standard_without_final) {
        // Final states always comes after any other
        EXPECT_TRUE(daq::IsSubsequentState(State::Stopped, state));
        EXPECT_TRUE(daq::IsSubsequentState(State::Aborted, state));
 
        EXPECT_FALSE(daq::IsSubsequentState(state, State::Stopped));
        EXPECT_FALSE(daq::IsSubsequentState(state, State::Aborted));
        EXPECT_FALSE(daq::IsSubsequentState(state, state));
    }
}