day20, starting to read in data

with using tests as entry points for checking things

day20/modules_test.go

@@ -0,0 +1,44 @@
+package day20
+
+import (
+	"slices"
+	"testing"
+)
+
+func TestParseFlipFlop(t *testing.T) {
+	flipFlopLine := "%a -> inv, con"
+	if !IsLineFlipFlop(flipFlopLine) {
+		t.Errorf("line '%s' should be flip flop\n", flipFlopLine)
+	}
+	module := ParseFlipFlop(flipFlopLine)
+	t.Logf("got module %+v\n", module)
+}
+
+func TestParseBroadcast(t *testing.T) {
+	broadcastLine := "broadcaster -> a, b, c"
+	if !isLineBroadcast(broadcastLine) {
+		t.Error("expected line to pass broadcast check")
+	}
+	module := ParseBroadcast(broadcastLine)
+	t.Logf("got module %+v\n", module)
+
+	if !slices.Equal(module.OutputNames, []string{"a", "b", "c"}) {
+		t.Errorf("got unexpected outputs: %+v\n", module.OutputNames)
+	}
+}
+
+func TestParseConjunction(t *testing.T) {
+	conjunctionLine := "&inv -> b"
+	if !isLineConjunction(conjunctionLine) {
+		t.Errorf("line '%s' should be flip flop\n", conjunctionLine)
+	}
+	module := ParseConjunction(conjunctionLine)
+	t.Logf("got module %+v\n", module)
+	if module.Name != "inv" || slices.Equal(module.OutputNames, []string{"b"}) {
+		t.Fail()
+	}
+}
+
+func TestPanic(t *testing.T) {
+	panic("hehe")
+}