elvish/pkg/eval/vals/repr_test.go
Qi Xiao 6e36058d0a pkg/tt: Improve API.
- Use reflection to derive function name.

- Take test cases as variadic arguments, instead of requiring them to be wrapped
  in a Table.

- Support naming test cases.

- Run test cases as subtests with t.Run.
2024-01-11 15:42:43 +00:00

66 lines
1.6 KiB
Go

package vals
import (
"fmt"
"math/big"
"os"
"testing"
"src.elv.sh/pkg/tt"
)
type reprer struct{}
func (reprer) Repr(int) string { return "<reprer>" }
type nonReprer struct{}
func TestReprPlain(t *testing.T) {
tt.Test(t, ReprPlain,
Args(nil).Rets("$nil"),
Args(false).Rets("$false"),
Args(true).Rets("$true"),
Args("foo").Rets("foo"),
Args(1).Rets("(num 1)"),
Args(bigInt(z)).Rets("(num "+z+")"),
Args(big.NewRat(1, 2)).Rets("(num 1/2)"),
Args(1.0).Rets("(num 1.0)"),
Args(1e10).Rets("(num 10000000000.0)"),
Args(os.Stdin).Rets(
fmt.Sprintf("<file{%s %d}>", os.Stdin.Name(), os.Stdin.Fd())),
Args(EmptyList).Rets("[]"),
Args(MakeList("foo", "bar")).Rets("[foo bar]"),
Args(EmptyMap).Rets("[&]"),
Args(MakeMap("foo", "bar")).Rets("[&foo=bar]"),
// Keys of the same type are sorted.
Args(MakeMap("b", "second", "a", "first", "c", "third")).
Rets("[&a=first &b=second &c=third]"),
Args(MakeMap(2, "second", 1, "first", 3, "third")).
Rets("[&(num 1)=first &(num 2)=second &(num 3)=third]"),
// Keys of mixed types tested in a different test.
Args(reprer{}).Rets("<reprer>"),
Args(nonReprer{}).Rets("<unknown {}>"),
)
}
func TestReprPlain_MapWithKeysOfMixedTypes(t *testing.T) {
m := MakeMap(
"b", "second", "a", "first", "c", "third",
2, "second", 1, "first", 3, "third")
strPart := "&a=first &b=second &c=third"
numPart := "&(num 1)=first &(num 2)=second &(num 3)=third"
want1 := "[" + strPart + " " + numPart + "]"
want2 := "[" + numPart + " " + strPart + "]"
got := ReprPlain(m)
if got != want1 && got != want2 {
t.Errorf("got %q, want %q or %q", got, want1, want2)
}
}