Provisional implemenation and testing of central state tracker to track viewport editing modes. (#4112)
* Provisional impl and testing of central state tracker. Signed-off-by: John <jonawals@amazon.com> * Add missing namespace comment. Signed-off-by: John <jonawals@amazon.com> * ViewportEditorModeState -> ViewportEditorModes Signed-off-by: John <jonawals@amazon.com> * ViewportEditorModesTracker -> ViewportEditorModeTracker Signed-off-by: John <jonawals@amazon.com> * GetEditorModeState ->GetViewportEditorModes Signed-off-by: John <jonawals@amazon.com> * GetNumTrackedViewports -> GetTrackedViewportCount Signed-off-by: John <jonawals@amazon.com> * IsViewportStateBeingTracked -> IsViewportModeTracked Signed-off-by: John <jonawals@amazon.com> * Fix API comments. Signed-off-by: John <jonawals@amazon.com> * Delete hangover file. Signed-off-by: John <jonawals@amazon.com> * Delete more hangover files. Signed-off-by: John <jonawals@amazon.com> * Minor member name refactor. Signed-off-by: John <jonawals@amazon.com> * Refactor nonclemanture. Signed-off-by: John <jonawals@amazon.com> * Rename Enter/ExitMode to Register/UnregisterMode. Signed-off-by: John <jonawals@amazon.com> * Error and warning msgs now return AZ::Outcomes. Signed-off-by: John <jonawals@amazon.com> * Change all nomenclature to Activate/Deactivate for consistency. Signed-off-by: John <jonawals@amazon.com> * Change tense of notification bus methods. Signed-off-by: John <jonawals@amazon.com> * Fix malformed string format. Signed-off-by: John <jonawals@amazon.com> * Fix malformed string format (again). Signed-off-by: John <jonawals@amazon.com> * Fix Linux warning. Signed-off-by: John <jonawals@amazon.com>
This commit is contained in:
jonawals
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/*
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* Copyright (c) Contributors to the Open 3D Engine Project.
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* For complete copyright and license terms please see the LICENSE at the root of this distribution.
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*
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* SPDX-License-Identifier: Apache-2.0 OR MIT
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*
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*/
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#include <AzTest/AzTest.h>
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#include <AzToolsFramework/UnitTest/AzToolsFrameworkTestHelpers.h>
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#include <AzToolsFramework/ViewportSelection/ViewportEditorModeTracker.h>
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namespace UnitTest
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{
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using ViewportEditorMode = AzToolsFramework::ViewportEditorMode;
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using ViewportEditorModes = AzToolsFramework::ViewportEditorModes;
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using ViewportEditorModeTracker = AzToolsFramework::ViewportEditorModeTracker;
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using ViewportEditorModeInfo = AzToolsFramework::ViewportEditorModeInfo;
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using ViewportId = ViewportEditorModeInfo::IdType;
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using ViewportEditorModesInterface = AzToolsFramework::ViewportEditorModesInterface;
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void ActivateModeAndExpectSuccess(ViewportEditorModes& editorModeState, ViewportEditorMode mode)
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{
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const auto result = editorModeState.ActivateMode(mode);
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EXPECT_TRUE(result.IsSuccess());
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}
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void DeactivateModeAndExpectSuccess(ViewportEditorModes& editorModeState, ViewportEditorMode mode)
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{
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const auto result = editorModeState.DeactivateMode(mode);
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EXPECT_TRUE(result.IsSuccess());
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}
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void SetAllModesActive(ViewportEditorModes& editorModeState)
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{
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for (auto mode = 0; mode < ViewportEditorModes::NumEditorModes; mode++)
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{
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ActivateModeAndExpectSuccess(editorModeState, static_cast<ViewportEditorMode>(mode));
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}
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}
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void SetAllModesInactive(ViewportEditorModes& editorModeState)
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{
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for (auto mode = 0; mode < ViewportEditorModes::NumEditorModes; mode++)
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{
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DeactivateModeAndExpectSuccess(editorModeState, static_cast<ViewportEditorMode>(mode));
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}
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}
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// Fixture for testing editor mode states
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class ViewportEditorModesTestsFixture
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: public ::testing::Test
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{
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public:
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ViewportEditorModes m_editorModes;
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};
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// Fixture for testing editor mode states with parameterized test arguments
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class ViewportEditorModesTestsFixtureWithParams
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: public ViewportEditorModesTestsFixture
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, public ::testing::WithParamInterface<AzToolsFramework::ViewportEditorMode>
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{
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public:
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void SetUp() override
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{
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m_selectedEditorMode = GetParam();
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}
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ViewportEditorMode m_selectedEditorMode;
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};
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// Fixture for testing the viewport editor mode state tracker
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class ViewportEditorModeTrackerTestFixture
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: public ToolsApplicationFixture
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{
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public:
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ViewportEditorModeTracker m_viewportEditorModeTracker;
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};
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// Subscriber of viewport editor mode notifications for a single viewport that expects a single mode to be activated/deactivated
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class ViewportEditorModeNotificationsBusHandler
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: private AzToolsFramework::ViewportEditorModeNotificationsBus::Handler
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{
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public:
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struct ReceivedEvents
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{
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bool m_onEnter = false;
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bool m_onExit = false;
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};
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using EditModeTracker = AZStd::unordered_map<ViewportEditorMode, ReceivedEvents>;
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ViewportEditorModeNotificationsBusHandler(ViewportId viewportId)
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: m_viewportSubscription(viewportId)
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{
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AzToolsFramework::ViewportEditorModeNotificationsBus::Handler::BusConnect(m_viewportSubscription);
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}
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~ViewportEditorModeNotificationsBusHandler()
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{
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AzToolsFramework::ViewportEditorModeNotificationsBus::Handler::BusDisconnect();
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}
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ViewportId GetViewportSubscription() const
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{
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return m_viewportSubscription;
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}
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const EditModeTracker& GetEditorModes() const
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{
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return m_editorModes;
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}
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void OnEditorModeActivated([[maybe_unused]]const ViewportEditorModesInterface& editorModeState, ViewportEditorMode mode) override
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{
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m_editorModes[mode].m_onEnter = true;
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}
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virtual void OnEditorModeDeactivated([[maybe_unused]] const ViewportEditorModesInterface& editorModeState, ViewportEditorMode mode) override
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{
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m_editorModes[mode].m_onExit = true;
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}
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private:
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ViewportId m_viewportSubscription;
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EditModeTracker m_editorModes;
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};
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// Fixture for testing viewport editor mode notifications publishing
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class ViewportEditorModePublisherTestFixture
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: public ViewportEditorModeTrackerTestFixture
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{
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public:
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void SetUpEditorFixtureImpl() override
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{
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for (auto mode = 0; mode < ViewportEditorModes::NumEditorModes; mode++)
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{
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m_editorModeHandlers[mode] = AZStd::make_unique<ViewportEditorModeNotificationsBusHandler>(mode);
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}
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}
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void TearDownEditorFixtureImpl() override
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{
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for (auto mode = 0; mode < ViewportEditorModes::NumEditorModes; mode++)
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{
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m_editorModeHandlers[mode].reset();
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}
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}
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AZStd::array<AZStd::unique_ptr<ViewportEditorModeNotificationsBusHandler>, ViewportEditorModes::NumEditorModes> m_editorModeHandlers;
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};
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TEST_F(ViewportEditorModesTestsFixture, NumberOfEditorModesIsEqualTo4)
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{
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EXPECT_EQ(ViewportEditorModes::NumEditorModes, 4);
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}
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TEST_F(ViewportEditorModesTestsFixture, InitialEditorModeStateHasAllInactiveModes)
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{
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for (auto mode = 0; mode < ViewportEditorModes::NumEditorModes; mode++)
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{
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EXPECT_FALSE(m_editorModes.IsModeActive(static_cast<ViewportEditorMode>(mode)));
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}
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}
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TEST_P(ViewportEditorModesTestsFixtureWithParams, SettingModeActiveActivatesOnlyThatMode)
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{
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ActivateModeAndExpectSuccess(m_editorModes, m_selectedEditorMode);
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for (auto mode = 0; mode < ViewportEditorModes::NumEditorModes; mode++)
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{
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const auto editorMode = static_cast<ViewportEditorMode>(mode);
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if (editorMode == m_selectedEditorMode)
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{
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EXPECT_TRUE(m_editorModes.IsModeActive(static_cast<ViewportEditorMode>(editorMode)));
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}
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else
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{
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EXPECT_FALSE(m_editorModes.IsModeActive(static_cast<ViewportEditorMode>(editorMode)));
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}
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}
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}
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TEST_P(ViewportEditorModesTestsFixtureWithParams, SettingModeInactiveInactivatesOnlyThatMode)
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{
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SetAllModesActive(m_editorModes);
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DeactivateModeAndExpectSuccess(m_editorModes, m_selectedEditorMode);
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for (auto mode = 0; mode < ViewportEditorModes::NumEditorModes; mode++)
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{
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const auto editorMode = static_cast<ViewportEditorMode>(mode);
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if (editorMode == m_selectedEditorMode)
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{
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EXPECT_FALSE(m_editorModes.IsModeActive(editorMode));
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}
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else
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{
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EXPECT_TRUE(m_editorModes.IsModeActive(editorMode));
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}
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}
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}
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TEST_P(ViewportEditorModesTestsFixtureWithParams, SettingMultipleModesActiveActivatesAllThoseModesNonMutuallyExclusively)
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{
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for (auto mode = 0; mode < ViewportEditorModes::NumEditorModes - 1; mode++)
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{
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// Given only the selected mode active
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SetAllModesInactive(m_editorModes);
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{
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ActivateModeAndExpectSuccess(m_editorModes, m_selectedEditorMode);
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}
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const auto editorMode = static_cast<ViewportEditorMode>(mode);
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if (editorMode == m_selectedEditorMode)
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{
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continue;
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}
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// When other modes are activated
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ActivateModeAndExpectSuccess(m_editorModes, editorMode);
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for (auto expectedMode = 0; expectedMode < ViewportEditorModes::NumEditorModes; expectedMode++)
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{
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const auto expectedEditorMode = static_cast<ViewportEditorMode>(expectedMode);
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if (expectedEditorMode == editorMode || expectedEditorMode == m_selectedEditorMode)
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{
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// Expect the activated modes to be active
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EXPECT_TRUE(m_editorModes.IsModeActive(expectedEditorMode));
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}
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else
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{
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// Expect the modes not active to be inactive
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EXPECT_FALSE(m_editorModes.IsModeActive(expectedEditorMode));
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}
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}
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}
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}
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TEST_P(ViewportEditorModesTestsFixtureWithParams, SettingMultipleModesInactiveInactivatesAllThoseModesNonMutuallyExclusively)
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{
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for (auto mode = 0; mode < ViewportEditorModes::NumEditorModes - 1; mode++)
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{
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// Given only the selected mode inactive
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SetAllModesActive(m_editorModes);
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DeactivateModeAndExpectSuccess(m_editorModes, m_selectedEditorMode);
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const auto editorMode = static_cast<ViewportEditorMode>(mode);
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if (editorMode == m_selectedEditorMode)
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{
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continue;
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}
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// When other modes are deactivated
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DeactivateModeAndExpectSuccess(m_editorModes, editorMode);
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for (auto expectedMode = 0; expectedMode < ViewportEditorModes::NumEditorModes; expectedMode++)
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{
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const auto expectedEditorMode = static_cast<ViewportEditorMode>(expectedMode);
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if (expectedEditorMode == editorMode || expectedEditorMode == m_selectedEditorMode)
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{
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// Expect the deactivated modes to be inactive
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EXPECT_FALSE(m_editorModes.IsModeActive(expectedEditorMode));
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}
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else
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{
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// Expects the modes not deactivated to still be active
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EXPECT_TRUE(m_editorModes.IsModeActive(expectedEditorMode));
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}
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}
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}
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}
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INSTANTIATE_TEST_CASE_P(
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AllEditorModes,
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ViewportEditorModesTestsFixtureWithParams,
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::testing::Values(
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AzToolsFramework::ViewportEditorMode::Default,
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AzToolsFramework::ViewportEditorMode::Component,
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AzToolsFramework::ViewportEditorMode::Focus,
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AzToolsFramework::ViewportEditorMode::Pick));
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TEST_F(ViewportEditorModesTestsFixture, SettingOutOfBoundsModeActiveReturnsError)
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{
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const auto result = m_editorModes.ActivateMode(static_cast<ViewportEditorMode>(ViewportEditorModes::NumEditorModes));
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EXPECT_FALSE(result.IsSuccess());
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}
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TEST_F(ViewportEditorModesTestsFixture, SettingOutOfBoundsModeInactiveReturnsError)
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{
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const auto result = m_editorModes.DeactivateMode(static_cast<ViewportEditorMode>(ViewportEditorModes::NumEditorModes));
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EXPECT_FALSE(result.IsSuccess());
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}
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TEST_F(ViewportEditorModeTrackerTestFixture, InitialCentralStateTrackerHasNoViewportEditorModess)
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{
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EXPECT_EQ(m_viewportEditorModeTracker.GetTrackedViewportCount(), 0);
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}
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TEST_F(ViewportEditorModeTrackerTestFixture, RegisteringViewportEditorModeForNonExistentIdCreatesViewportEditorModesForThatId)
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{
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// Given a viewport not currently being tracked
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const ViewportId viewportid = 0;
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EXPECT_FALSE(m_viewportEditorModeTracker.IsViewportModeTracked({ viewportid }));
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EXPECT_EQ(m_viewportEditorModeTracker.GetViewportEditorModes({ viewportid }), nullptr);
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// When a mode is activated for that viewport
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const auto editorMode = ViewportEditorMode::Default;
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m_viewportEditorModeTracker.ActivateMode({ viewportid }, editorMode);
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const auto* viewportEditorModeState = m_viewportEditorModeTracker.GetViewportEditorModes({ viewportid });
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// Expect that viewport to now be tracked
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EXPECT_TRUE(m_viewportEditorModeTracker.IsViewportModeTracked({ viewportid }));
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EXPECT_NE(viewportEditorModeState, nullptr);
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// Expect the mode for that viewport to be active
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EXPECT_TRUE(viewportEditorModeState->IsModeActive(editorMode));
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}
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TEST_F(ViewportEditorModeTrackerTestFixture, UnregisteringViewportEditorModeForNonExistentIdCreatesViewportEditorModesForThatIdButReturnsError)
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{
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// Given a viewport not currently being tracked
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const ViewportId viewportid = 0;
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EXPECT_FALSE(m_viewportEditorModeTracker.IsViewportModeTracked({ viewportid }));
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EXPECT_EQ(m_viewportEditorModeTracker.GetViewportEditorModes({ viewportid }), nullptr);
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// When a mode is deactivated for that viewport
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const auto editorMode = ViewportEditorMode::Default;
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const auto expectedErrorMsg = AZStd::string::format(
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"Call to DeactivateMode for mode '%u' on id '%i' without precursor call to ActivateMode", static_cast<AZ::u32>(editorMode), viewportid);
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const auto result = m_viewportEditorModeTracker.DeactivateMode({ viewportid }, editorMode);
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// Expect an error due to no precursor activation of that mode
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EXPECT_FALSE(result.IsSuccess());
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EXPECT_EQ(result.GetError(), expectedErrorMsg);
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// Expect that viewport to now be tracked
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const auto* viewportEditorModeState = m_viewportEditorModeTracker.GetViewportEditorModes({ viewportid });
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EXPECT_TRUE(m_viewportEditorModeTracker.IsViewportModeTracked({ viewportid }));
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// Expect the mode for that viewport to be inactive
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EXPECT_NE(viewportEditorModeState, nullptr);
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EXPECT_FALSE(viewportEditorModeState->IsModeActive(editorMode));
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}
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TEST_F(ViewportEditorModeTrackerTestFixture, GettingNonExistentViewportEditorModesForIdReturnsNull)
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{
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const ViewportId viewportid = 0;
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EXPECT_FALSE(m_viewportEditorModeTracker.IsViewportModeTracked({ viewportid }));
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EXPECT_EQ(m_viewportEditorModeTracker.GetViewportEditorModes({ viewportid }), nullptr);
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}
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TEST_F(ViewportEditorModeTrackerTestFixture, RegisteringViewportEditorModesForExistingIdInThatStateReturnsError)
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{
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// Given a viewport not currently tracked
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const ViewportId viewportid = 0;
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EXPECT_FALSE(m_viewportEditorModeTracker.IsViewportModeTracked({ viewportid }));
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EXPECT_EQ(m_viewportEditorModeTracker.GetViewportEditorModes({ viewportid }), nullptr);
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const auto editorMode = ViewportEditorMode::Default;
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{
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// When the mode is activated for the viewport
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const auto result = m_viewportEditorModeTracker.ActivateMode({ viewportid }, editorMode);
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// Expect no error as there is no duplicate activation
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EXPECT_TRUE(result.IsSuccess());
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// Expect the mode to be active for the viewport
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const auto* viewportEditorModeState = m_viewportEditorModeTracker.GetViewportEditorModes({ viewportid });
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EXPECT_TRUE(m_viewportEditorModeTracker.IsViewportModeTracked({ viewportid }));
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EXPECT_NE(viewportEditorModeState, nullptr);
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EXPECT_TRUE(viewportEditorModeState->IsModeActive(editorMode));
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}
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{
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// When the mode is activated again for the viewport
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const auto result = m_viewportEditorModeTracker.ActivateMode({ viewportid }, editorMode);
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// Expect an error for the duplicate activation
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const auto expectedErrorMsg = AZStd::string::format(
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"Duplicate call to ActivateMode for mode '%u' on id '%i'", static_cast<AZ::u32>(editorMode), viewportid);
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EXPECT_FALSE(result.IsSuccess());
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EXPECT_EQ(result.GetError(), expectedErrorMsg);
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// Expect the mode to still be active for the viewport
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const auto* viewportEditorModeState = m_viewportEditorModeTracker.GetViewportEditorModes({ viewportid });
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EXPECT_TRUE(m_viewportEditorModeTracker.IsViewportModeTracked({ viewportid }));
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EXPECT_NE(viewportEditorModeState, nullptr);
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EXPECT_TRUE(viewportEditorModeState->IsModeActive(editorMode));
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}
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}
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TEST_F(ViewportEditorModeTrackerTestFixture, UnregisteringViewportEditorModesForExistingIdNotInThatStateReturnssError)
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{
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// Given a viewport not currently tracked
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const ViewportId viewportid = 0;
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EXPECT_FALSE(m_viewportEditorModeTracker.IsViewportModeTracked({ viewportid }));
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EXPECT_EQ(m_viewportEditorModeTracker.GetViewportEditorModes({ viewportid }), nullptr);
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const auto editorMode = ViewportEditorMode::Default;
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{
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// When the mode is activated and then deactivated for the viewport
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m_viewportEditorModeTracker.ActivateMode({ viewportid }, editorMode);
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const auto result = m_viewportEditorModeTracker.DeactivateMode({ viewportid }, editorMode);
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// Expect no error as there is no duplicate deactivation
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EXPECT_TRUE(result.IsSuccess());
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// Expect the mode to be inctive for the viewport
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const auto* viewportEditorModeState = m_viewportEditorModeTracker.GetViewportEditorModes({ viewportid });
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EXPECT_TRUE(m_viewportEditorModeTracker.IsViewportModeTracked({ viewportid }));
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EXPECT_NE(viewportEditorModeState, nullptr);
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EXPECT_FALSE(viewportEditorModeState->IsModeActive(editorMode));
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}
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{
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// When the mode is deactivated again for the viewport
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const auto result = m_viewportEditorModeTracker.DeactivateMode({ viewportid }, editorMode);
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// Expect an error for the duplicate deactivation
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const auto expectedErrorMsg = AZStd::string::format(
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"Duplicate call to DeactivateMode for mode '%u' on id '%i'", static_cast<AZ::u32>(editorMode), viewportid);
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EXPECT_FALSE(result.IsSuccess());
|
||||
EXPECT_EQ(result.GetError(), expectedErrorMsg);
|
||||
|
||||
// Expect the mode to still be inactive for the viewport
|
||||
const auto* viewportEditorModeState = m_viewportEditorModeTracker.GetViewportEditorModes({ viewportid });
|
||||
EXPECT_TRUE(m_viewportEditorModeTracker.IsViewportModeTracked({ viewportid }));
|
||||
EXPECT_NE(viewportEditorModeState, nullptr);
|
||||
EXPECT_FALSE(viewportEditorModeState->IsModeActive(editorMode));
|
||||
}
|
||||
}
|
||||
|
||||
TEST_F(
|
||||
ViewportEditorModePublisherTestFixture,
|
||||
RegisteringViewportEditorModesForExistingIdPublishesOnViewportEditorModeRegisterEventForAllSubscribers)
|
||||
{
|
||||
// Given a set of subscribers tracking the editor modes for their exclusive viewport
|
||||
for (auto mode = 0; mode < ViewportEditorModes::NumEditorModes; mode++)
|
||||
{
|
||||
// Expect each subscriber to have received no editor mode state changes
|
||||
EXPECT_EQ(m_editorModeHandlers[mode]->GetEditorModes().size(), 0);
|
||||
}
|
||||
|
||||
// When each editor mode is activated by the state tracker for a specific viewport
|
||||
for (auto mode = 0; mode < ViewportEditorModes::NumEditorModes; mode++)
|
||||
{
|
||||
const ViewportId viewportId = mode;
|
||||
const ViewportEditorMode editorMode = static_cast<ViewportEditorMode>(mode);
|
||||
m_viewportEditorModeTracker.ActivateMode({ viewportId }, editorMode);
|
||||
}
|
||||
|
||||
for (auto mode = 0; mode < ViewportEditorModes::NumEditorModes; mode++)
|
||||
{
|
||||
// Expect only the subscribers of each viewport to have received the editor mode activated event
|
||||
const ViewportEditorMode editorMode = static_cast<ViewportEditorMode>(mode);
|
||||
const auto& editorModes = m_editorModeHandlers[mode]->GetEditorModes();
|
||||
EXPECT_EQ(editorModes.size(), 1);
|
||||
EXPECT_EQ(editorModes.count(editorMode), 1);
|
||||
const auto& expectedEditorModeSet = editorModes.find(editorMode);
|
||||
EXPECT_NE(expectedEditorModeSet, editorModes.end());
|
||||
EXPECT_TRUE(expectedEditorModeSet->second.m_onEnter);
|
||||
EXPECT_FALSE(expectedEditorModeSet->second.m_onExit);
|
||||
}
|
||||
}
|
||||
|
||||
TEST_F(
|
||||
ViewportEditorModePublisherTestFixture,
|
||||
UnregisteringViewportEditorModesForExistingIdPublishesOnViewportEditorModeUnregisterEventForAllSubscribers)
|
||||
{
|
||||
// Given a set of subscribers tracking the editor modes for their exclusive viewport
|
||||
for (auto mode = 0; mode < ViewportEditorModes::NumEditorModes; mode++)
|
||||
{
|
||||
EXPECT_EQ(m_editorModeHandlers[mode]->GetEditorModes().size(), 0);
|
||||
}
|
||||
|
||||
// When each editor mode is activated deactivated by the state tracker for a specific viewport
|
||||
for (auto mode = 0; mode < ViewportEditorModes::NumEditorModes; mode++)
|
||||
{
|
||||
const ViewportId viewportId = mode;
|
||||
const ViewportEditorMode editorMode = static_cast<ViewportEditorMode>(mode);
|
||||
m_viewportEditorModeTracker.ActivateMode({ viewportId }, editorMode);
|
||||
m_viewportEditorModeTracker.DeactivateMode({ viewportId }, editorMode);
|
||||
}
|
||||
|
||||
for (auto mode = 0; mode < ViewportEditorModes::NumEditorModes; mode++)
|
||||
{
|
||||
// Expect only the subscribers of each viewport to have received the editor mode activated and deactivated event
|
||||
const ViewportEditorMode editorMode = static_cast<ViewportEditorMode>(mode);
|
||||
const auto& editorModes = m_editorModeHandlers[mode]->GetEditorModes();
|
||||
EXPECT_EQ(editorModes.size(), 1);
|
||||
EXPECT_EQ(editorModes.count(editorMode), 1);
|
||||
const auto& expectedEditorModeSet = editorModes.find(editorMode);
|
||||
EXPECT_NE(expectedEditorModeSet, editorModes.end());
|
||||
EXPECT_TRUE(expectedEditorModeSet->second.m_onEnter);
|
||||
EXPECT_TRUE(expectedEditorModeSet->second.m_onExit);
|
||||
}
|
||||
}
|
||||
} // namespace UnitTest
|
||||
@@ -110,6 +110,7 @@ set(FILES
|
||||
UI/EntityPropertyEditorTests.cpp
|
||||
UndoStack.cpp
|
||||
Viewport/ClusterTests.cpp
|
||||
Viewport/ViewportEditorModeTests.cpp
|
||||
Viewport/ViewportScreenTests.cpp
|
||||
Viewport/ViewportUiClusterTests.cpp
|
||||
Viewport/ViewportUiDisplayTests.cpp
|
||||
|
||||
Reference in New Issue
Block a user