elvish/pkg/parse/quote_test.go
2021-09-17 20:24:20 +01:00

62 lines
1.7 KiB
Go

package parse
import (
"testing"
. "src.elv.sh/pkg/tt"
)
func TestQuote(t *testing.T) {
Test(t, Fn("Quote", Quote).ArgsFmt("(%q)").RetsFmt("%q"), Table{
// Empty string is single-quoted.
Args("").Rets(`''`),
// Bareword when possible.
Args("x-y:z@h/d").Rets("x-y:z@h/d"),
// Single quote when there are special characters but no unprintable
// characters.
Args("x$y[]ef'").Rets("'x$y[]ef'''"),
// Tilde needs quoting only leading the expression.
Args("~x").Rets("'~x'"),
Args("x~").Rets("x~"),
// Double quote when there is unprintable char.
Args("a\nb").Rets(`"a\nb"`),
Args("\x1b\"\\").Rets(`"\e\"\\"`),
Args("\x00").Rets(`"\x00"`),
Args("\u0600").Rets(`"\u0600"`), // Arabic number sign
Args("\U000110BD").Rets(`"\U000110bd"`), // Kathi number sign
// Commas and equal signs are always quoted, so that the quoted string is
// safe for use everywhere.
Args("a,b").Rets(`'a,b'`),
Args("a=b").Rets(`'a=b'`),
})
}
func TestQuoteAs(t *testing.T) {
Test(t, Fn("QuoteAs", QuoteAs).ArgsFmt("(%q, %s)").RetsFmt("(%q, %s)"), Table{
// DoubleQuote is always respected.
Args("", DoubleQuoted).Rets(`""`, DoubleQuoted),
Args("a", DoubleQuoted).Rets(`"a"`, DoubleQuoted),
// SingleQuoted is respected when there is no unprintable character.
Args("", SingleQuoted).Rets(`''`, SingleQuoted),
Args("a", SingleQuoted).Rets(`'a'`, SingleQuoted),
Args("\n", SingleQuoted).Rets(`"\n"`, DoubleQuoted),
// Bareword tested above in TestQuote.
})
}
func TestQuoteVariableName(t *testing.T) {
Test(t, Fn("QuoteVariableName", QuoteVariableName).ArgsFmt("(%q)").RetsFmt("%q"), Table{
Args("").Rets("''"),
Args("foo").Rets("foo"),
Args("a/b").Rets("'a/b'"),
Args("\x1b").Rets(`"\e"`),
})
}