feat(release): beelloo v0.1

internal/invoice/quantity_test.go

@@ -0,0 +1,52 @@
+package invoice
+
+import "testing"
+
+func TestParseQuantity(t *testing.T) {
+	cases := []struct {
+		input string
+		want  Quantity
+	}{
+		{"1", 100},
+		{"0.5", 50},
+		{"2,25", 225},
+		{"10.00", 1000},
+	}
+	for _, tc := range cases {
+		got, err := ParseQuantity(tc.input)
+		if err != nil {
+			t.Fatalf("ParseQuantity(%q) unexpected error: %v", tc.input, err)
+		}
+		if got != tc.want {
+			t.Fatalf("ParseQuantity(%q)=%v want %v", tc.input, got, tc.want)
+		}
+	}
+}
+
+func TestFormatQuantity(t *testing.T) {
+	cases := []struct {
+		input Quantity
+		want  string
+	}{
+		{100, "1"},
+		{50, "0.5"},
+		{225, "2.25"},
+		{1010, "10.1"},
+	}
+	for _, tc := range cases {
+		got := FormatQuantity(tc.input)
+		if got != tc.want {
+			t.Fatalf("FormatQuantity(%v)=%q want %q", tc.input, got, tc.want)
+		}
+	}
+}
+
+func TestLineAmountNegative(t *testing.T) {
+	item := Item{
+		UnitPrice: -29500,
+		Quantity:  100,
+	}
+	if got := LineAmount(item); got != -29500 {
+		t.Fatalf("LineAmount negative mismatch: %v", got)
+	}
+}