elvish/styled/transform_test.go
2018-07-18 00:25:08 +02:00

67 lines
2.2 KiB
Go

package styled
import (
"testing"
"github.com/elves/elvish/tt"
)
func TestTransform(t *testing.T) {
tt.Test(t, tt.Fn("Transform", Transform), tt.Table{
// Foreground color
tt.Args(Unstyled("foo"), "red").
Rets(Text{&Segment{Style{Foreground: "red"}, "foo"}}),
// Override existing foreground
tt.Args(Text{&Segment{Style{Foreground: "green"}, "foo"}}, "red").
Rets(Text{&Segment{Style{Foreground: "red"}, "foo"}}),
// Multiple segments
tt.Args(Text{
&Segment{Style{}, "foo"},
&Segment{Style{Foreground: "green"}, "bar"}}, "red").
Rets(Text{
&Segment{Style{Foreground: "red"}, "foo"},
&Segment{Style{Foreground: "red"}, "bar"},
}),
// Background color
tt.Args(Unstyled("foo"), "bg-red").
Rets(Text{&Segment{Style{Background: "red"}, "foo"}}),
// Bold, false -> true
tt.Args(Unstyled("foo"), "bold").
Rets(Text{&Segment{Style{Bold: true}, "foo"}}),
// Bold, true -> true
tt.Args(Text{&Segment{Style{Bold: true}, "foo"}}, "bold").
Rets(Text{&Segment{Style{Bold: true}, "foo"}}),
// No Bold, true -> false
tt.Args(Text{&Segment{Style{Bold: true}, "foo"}}, "no-bold").
Rets(Text{&Segment{Style{}, "foo"}}),
// No Bold, false -> false
tt.Args(Unstyled("foo"), "no-bold").Rets(Unstyled("foo")),
// Toggle Bold, true -> false
tt.Args(Text{&Segment{Style{Bold: true}, "foo"}}, "toggle-bold").
Rets(Text{&Segment{Style{}, "foo"}}),
// Toggle Bold, false -> true
tt.Args(Unstyled("foo"), "toggle-bold").
Rets(Text{&Segment{Style{Bold: true}, "foo"}}),
// For the remaining bool transformers, we only check one case; the rest
// should be similar to "bold".
// Dim.
tt.Args(Unstyled("foo"), "dim").
Rets(Text{&Segment{Style{Dim: true}, "foo"}}),
// Italic.
tt.Args(Unstyled("foo"), "italic").
Rets(Text{&Segment{Style{Italic: true}, "foo"}}),
// Underlined.
tt.Args(Unstyled("foo"), "underlined").
Rets(Text{&Segment{Style{Underlined: true}, "foo"}}),
// Blink.
tt.Args(Unstyled("foo"), "blink").
Rets(Text{&Segment{Style{Blink: true}, "foo"}}),
// Inverse.
tt.Args(Unstyled("foo"), "inverse").
Rets(Text{&Segment{Style{Inverse: true}, "foo"}}),
// Invalid transformer
tt.Args(Unstyled("foo"), "invalid").
Rets(Text{&Segment{Text: "foo"}}),
})
}