Tests for references held like siblings and the lowercase, uppercase and ascii transforms

2026-09-02 12:42:21 +02:00
parent f0305f191f
commit 8fa33694b9
3 changed files with 121 additions and 11 deletions
@@ -0,0 +1,53 @@
+package fejkdata
+
+import "testing"
+
+func TestTransforms(t *testing.T) {
+	f := engine(1)
+	for src, want := range map[string]string{
+		`{"format":"{uppercase(x)}|{lowercase(x)}|{ascii(x)}","x":"Åsa Ödegård-Nuñez"}`: "ÅSA ÖDEGÅRD-NUÑEZ|åsa ödegård-nuñez|Asa Odegard-Nunez",
+		`{"format":"{lowercase(ascii(x))}","x":"Åsa"}`:                              "asa",
+		`{"format":"{ascii(x)}","x":"Ærø ß 日本"}`:                                "AEro ss ",
+	} {
+		if got := mustRender(t, f, src); got != want {
+			t.Errorf("render(%s) = %q, want %q", src, got, want)
+		}
+	}
+}
+
+func TestTransformReadsTheHeldDraw(t *testing.T) {
+	f := engine(2)
+	src := `{"format":"{p.first}={lowercase(p.first)}","p":[{"format":"{first}","first":"Anna"},{"format":"{first}","first":"Bo"}]}`
+	for i := 0; i < 50; i++ {
+		if got := mustRender(t, f, src); got != "Anna=anna" && got != "Bo=bo" {
+			t.Fatalf("render = %q, want the transform over the same draw", got)
+		}
+	}
+}
+
+func TestTransformOverAReference(t *testing.T) {
+	dir := writeData(t, map[string]string{
+		"person": `[{"format":"{first} {last}","first":"Åsa","last":"Öberg"},{"format":"{first} {last}","first":"Bo","last":"Ek"}]`,
+		"email":  `"{..person.first} {..person.last} <{lowercase(ascii(..person.first))}.{lowercase(ascii(..person.last))}@example.com>"`,
+	})
+	f := newGenerator(t, dir, WithSeed(5))
+	for i := 0; i < 50; i++ {
+		if got := fake(t, f, "email"); got != "Åsa Öberg <asa.oberg@example.com>" && got != "Bo Ek <bo.ek@example.com>" {
+			t.Fatalf("email = %q, want a record from one draw", got)
+		}
+	}
+}
+
+func TestTransformArgs(t *testing.T) {
+	for _, bad := range []string{
+		`{"format":"{lowercase()}","x":"v"}`,
+		`{"format":"{lowercase(nope)}","x":"v"}`,
+		`{"format":"{ascii(x,y)}","x":"v","y":"w"}`,
+		`{"format":"{lowercase(hex(2))}","x":"v"}`,
+		`{"format":"{lowercase(x)} {x.a}","x":{"format":"{a}","a":"1"}}`,
+	} {
+		if _, err := compile(parse(t, bad)); err == nil {
+			t.Errorf("compile(%s) = nil error, want it rejected", bad)
+		}
+	}
+}