init push

internal/shared/pkg/metricparse/metricparse_test.go

@@ -0,0 +1,43 @@
+package metricparse
+
+import "testing"
+
+func TestParseString(t *testing.T) {
+	cases := []struct {
+		in   string
+		want float64
+	}{
+		{"GPC/N1 63.2", 63.2},   // the "1" in N1 must NOT win
+		{"PTC/N2 61.8", 61.8},   // the "2" in N2 must NOT win
+		{"GPC/NG/N1 105.3", 105.3},
+		{"63.2", 63.2},
+		{"  63.2  ", 63.2},
+		{"63", 63},
+		{"63,2", 63.2},          // decimal comma
+		{"GPC/N1: 63.2 %", 63.2}, // colon + trailing unit
+		{"GPC/N1 63.2 / N2 61.5", 63.2}, // first standalone decimal
+		{"-5", -5},
+		{"+7.5", 7.5},
+		{".5", 0.5},
+		{"N1", 0},   // label only, no value
+		{"N2", 0},   // label only
+		{"", 0},
+		{"   ", 0},
+		{"no numbers here", 0},
+	}
+	for _, c := range cases {
+		if got := ParseString(c.in); got != c.want {
+			t.Errorf("ParseString(%q) = %v, want %v", c.in, got, c.want)
+		}
+	}
+}
+
+func TestParseNilAndPtr(t *testing.T) {
+	if got := Parse(nil); got != 0 {
+		t.Fatalf("Parse(nil) = %v, want 0", got)
+	}
+	s := "GPC/N1 63.2"
+	if got := Parse(&s); got != 63.2 {
+		t.Fatalf("Parse(&%q) = %v, want 63.2", s, got)
+	}
+}