elvish/styled/text_test.go
Qi Xiao 6e5526acac styled: Clean up representation of Segment and Text.
Segment is now always used as a pointer and Text is always used as a
value.

Add test to make sure that the "styled" builtin does not modify its
arguments.

This fixes #719.
2018-07-15 14:50:06 +01:00

43 lines
1.2 KiB
Go

package styled
import (
"testing"
"github.com/elves/elvish/tt"
)
// TODO: Test other methods of Text.
var Args = tt.Args
var (
text0 = Text{}
text1 = Text{red("lorem")}
text2 = Text{red("lorem"), blue("foobar")}
)
func red(s string) *Segment { return &Segment{Style{Foreground: "red"}, s} }
func blue(s string) *Segment { return &Segment{Style{Foreground: "blue"}, s} }
var partitionTests = tt.Table{
Args(text0).Rets([]Text{text0}),
Args(text1).Rets([]Text{text1}),
Args(text1, 0).Rets([]Text{text0, text1}),
Args(text1, 1).Rets([]Text{Text{red("l")}, Text{red("orem")}}),
Args(text1, 5).Rets([]Text{text1, text0}),
Args(text2).Rets([]Text{text2}),
Args(text2, 0).Rets([]Text{text0, text2}),
Args(text2, 1).Rets([]Text{
Text{red("l")}, Text{red("orem"), blue("foobar")}}),
Args(text2, 2).Rets([]Text{
Text{red("lo")}, Text{red("rem"), blue("foobar")}}),
Args(text2, 5).Rets([]Text{Text{red("lorem")}, Text{blue("foobar")}}),
Args(text2, 6).Rets([]Text{
Text{red("lorem"), blue("f")}, Text{blue("oobar")}}),
Args(text2, 11).Rets([]Text{text2, text0}),
}
func TestPartition(t *testing.T) {
tt.Test(t, tt.Fn("Text.Parition", Text.Partition), partitionTests)
}