From 649fb5e377fe5d39c8fbf734405060aa913d0556 Mon Sep 17 00:00:00 2001
From: Anna Rose Wiggins <annabunches@gmail.com>
Date: Fri, 4 Jul 2025 20:28:38 -0400
Subject: [PATCH] An single test.

---
 internal/mappingrules/matching_test.go | 66 ++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 internal/mappingrules/matching_test.go

diff --git a/internal/mappingrules/matching_test.go b/internal/mappingrules/matching_test.go
new file mode 100644
index 0000000..e7e6e3b
--- /dev/null
+++ b/internal/mappingrules/matching_test.go
@@ -0,0 +1,66 @@
+package mappingrules
+
+import (
+	"testing"
+
+	"github.com/holoplot/go-evdev"
+)
+
+func TestSimpleRuleMatchEvent(t *testing.T) {
+	inputDevice := &evdev.InputDevice{}
+	wrongInputDevice := &evdev.InputDevice{}
+	outputDevice := &evdev.InputDevice{}
+
+	rule := &SimpleMappingRule{
+		MappingRuleBase: MappingRuleBase{
+			Output: &RuleTargetButton{
+				RuleTargetBase{
+					DeviceName: "test_output",
+					Device:     outputDevice,
+					Code:       evdev.BTN_TRIGGER,
+				},
+			},
+			Modes: []string{"*"},
+		},
+		Input: &RuleTargetButton{
+			RuleTargetBase{
+				DeviceName: "test_input",
+				Device:     inputDevice,
+				Code:       evdev.BTN_TRIGGER,
+			},
+		},
+	}
+	mode := "*"
+
+	// A matching input event should produce an output event
+	event := rule.MatchEvent(inputDevice, &evdev.InputEvent{Code: evdev.BTN_TRIGGER, Value: 1}, &mode)
+	outputEvent := &evdev.InputEvent{
+		Type:  evdev.EV_KEY,
+		Code:  evdev.BTN_TRIGGER,
+		Value: 1,
+	}
+
+	if event == nil || *event != *outputEvent {
+		t.Errorf("Expected event to match %v, but got %v", outputEvent, event)
+	}
+
+	// if event.Type != outputEvent.Type ||
+	// 	event.Code != outputEvent.Code ||
+	// 	event.Value != outputEvent.Value {
+	// 	t.Errorf("Expected event to match %v, but got %v", outputEvent, event)
+	// }
+
+	// An input event from the wrong device should produce a nil event
+	event = rule.MatchEvent(wrongInputDevice, &evdev.InputEvent{Code: evdev.BTN_TRIGGER, Value: 1}, &mode)
+	if event != nil {
+		t.Errorf("Expected event not to match, but got non-nil event %v", event)
+	}
+
+	// An input event from the wrong device should produce a nil event
+	event = rule.MatchEvent(wrongInputDevice, &evdev.InputEvent{Code: evdev.BTN_TRIGGER, Value: 1}, &mode)
+	if event != nil {
+		t.Errorf("Expected event not to match, but got non-nil event %v", event)
+	}
+
+	// TODO: test inversion, and everything else...
+}