tests: Add graphical unit-tests for the keypad

also some basic interaction like clicking on keys

Signed-off-by: Sergio Martins <[email protected]>

src/ui/test/CMakeLists.txt

@@ -57,5 +57,6 @@ if(ENABLE_IMGUI_TEST_ENGINE)
   add_imgui_test(qa_popup_menu)
   add_imgui_test(qa_dialog)
   add_imgui_test(qa_filtercomboboxes)
+  add_imgui_test(qa_keypad)
 
 endif()

src/ui/test/qa_keypad.cpp

@@ -0,0 +1,81 @@
+#include "ImGuiTestApp.hpp"
+#include "components/Keypad.hpp"
+#include "imgui.h"
+
+#include "imgui_test_engine/imgui_te_context.h"
+#include "imgui_test_engine/imgui_te_internal.h"
+
+#include <boost/ut.hpp>
+
+using namespace boost;
+
+class TestApp : public DigitizerUi::test::ImGuiTestApp {
+private:
+    using DigitizerUi::test::ImGuiTestApp::ImGuiTestApp;
+
+    void registerTests() override {
+        struct TestState {
+            bool edited = false;
+            int  value  = 0;
+        };
+
+        ImGuiTest* t = IM_REGISTER_TEST(engine(), "keypad", "keypad visual test");
+        t->SetVarsDataType<TestState>();
+
+        t->GuiFunc = [](ImGuiTestContext* ctx) {
+            ImGui::Begin("Test Window", NULL, ImGuiWindowFlags_NoSavedSettings);
+            ImGui::SetWindowSize(ImVec2(300, 300));
+
+            auto& vars = ctx->GetVars<TestState>();
+            if (DigitizerUi::components::InputKeypad<>::edit("label", &vars.value)) {
+                // do not override with false every frame
+                vars.edited = true;
+            }
+
+            ImGui::End();
+        };
+
+        t->TestFunc = [](ImGuiTestContext* ctx) {
+            ut::test("keypad visual test") = [ctx] {
+                ImGuiContext& g = *GImGui;
+
+                // keypad isn't visible yet
+                ut::expect(g.OpenPopupStack.empty());
+
+                ctx->SetRef("Test Window");
+                ctx->ItemClick("label");
+
+                ut::expect(g.OpenPopupStack.size() == 1);
+                auto keypadWindow = ImGui::FindWindowByID(g.OpenPopupStack[0].Window->ID);
+
+                captureScreenshot(*ctx, keypadWindow->ID);
+
+                // nothing edited yet
+                auto& vars = ctx->GetVars<TestState>();
+                ut::expect(vars.value == 0);
+                ut::expect(!vars.edited);
+
+                // KeyPads buttons are actually in a child window
+                auto subWindowInfo = ctx->WindowInfo("//KeypadX/drawKeypad Input");
+                ctx->SetRef(subWindowInfo.Window->ID);
+
+                // press some buttons
+                ctx->ItemClick("9");
+                ctx->ItemClick("Enter");
+                ut::expect(vars.value == 9);
+                ut::expect(vars.edited);
+
+                // no keypad now
+                ut::expect(g.OpenPopupStack.empty());
+            };
+        };
+    }
+};
+
+int main(int argc, char* argv[]) {
+    auto options             = DigitizerUi::test::TestOptions::fromArgs(argc, argv);
+    options.screenshotPrefix = "keypad";
+
+    TestApp app(options);
+    return app.runTests() ? 0 : 1;
+}