Initial version

Extracted from paultyng/terraform-provider-unifi@ef25893f14

fields/main_test.go

@@ -0,0 +1,47 @@
+package main
+
+import (
+	"fmt"
+	"testing"
+)
+
+func TestTypeFromValidation(t *testing.T) {
+	for i, c := range []struct {
+		expectedType      string
+		expectedComment   string
+		expectedOmitEmpty bool
+		validation        interface{}
+	}{
+		{"string", "", true, ""},
+		{"string", "default|custom", true, "default|custom"},
+		{"string", ".{0,32}", true, ".{0,32}"},
+		{"string", "^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$|^$", false, "^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$|^$"},
+
+		{"int", "^([1-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$|^$", false, "^([1-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$|^$"},
+		{"int", "", true, "^[0-9]*$"},
+
+		{"float64", "", true, "[-+]?[0-9]*\\.?[0-9]+"},
+		// this one is really an error as the . is not escaped
+		{"float64", "", true, "^([-]?[\\d]+[.]?[\\d]*)$"},
+		{"float64", "", true, "^([\\d]+[.]?[\\d]*)$"},
+
+		{"bool", "", false, "false|true"},
+		{"bool", "", false, "true|false"},
+	} {
+		t.Run(fmt.Sprintf("%d %s %s", i, c.expectedType, c.validation), func(t *testing.T) {
+			actualType, actualComment, actualOmitEmpty, err := typeFromValidation(c.validation)
+			if err != nil {
+				t.Fatal(err)
+			}
+			if actualType != c.expectedType {
+				t.Fatalf("expected type %q got %q", c.expectedType, actualType)
+			}
+			if actualComment != c.expectedComment {
+				t.Fatalf("expected comment %q got %q", c.expectedComment, actualComment)
+			}
+			if actualOmitEmpty != c.expectedOmitEmpty {
+				t.Fatalf("expected omitempty %t got %t", c.expectedOmitEmpty, actualOmitEmpty)
+			}
+		})
+	}
+}