mirror of https://github.com/pulumi/pulumi.git
108 lines
2.5 KiB
Go
108 lines
2.5 KiB
Go
package terminal
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import (
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"fmt"
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"strings"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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type ansiCase struct {
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in string
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kind ansiKind
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params string
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intermediate string
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final byte
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}
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func (c ansiCase) run(t *testing.T) {
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t.Run(c.in, func(t *testing.T) {
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t.Parallel()
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var d ansiDecoder
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err := d.decode(strings.NewReader(c.in))
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require.NoError(t, err)
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assert.Equal(t, c.kind, d.kind)
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assert.Equal(t, c.params, string(d.params))
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assert.Equal(t, c.intermediate, string(d.intermediate))
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assert.Equal(t, c.final, d.final)
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})
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}
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func ansiErrorCase(lead, params, intermediate string, final byte) ansiCase {
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return ansiCase{
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in: fmt.Sprintf("%v%v%v%v", lead, params, intermediate, string([]byte{final})),
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kind: ansiError,
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params: params,
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intermediate: intermediate,
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final: final,
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}
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}
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func ansiKeyCase(in byte) ansiCase {
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return ansiCase{in: string([]byte{in}), kind: ansiKey, final: in}
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}
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func ansiEscapeCase(intermediate string, final byte) ansiCase {
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return ansiCase{
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in: fmt.Sprintf("\x1b%v%v", intermediate, string([]byte{final})),
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kind: ansiEscape,
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intermediate: intermediate,
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final: final,
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}
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}
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func ansiControlCase(params, intermediate string, final byte) ansiCase {
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return ansiCase{
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in: fmt.Sprintf("\x1b[%v%v%v", params, intermediate, string([]byte{final})),
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kind: ansiControl,
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params: params,
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intermediate: intermediate,
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final: final,
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}
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}
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func TestANSIDecoder(t *testing.T) {
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t.Parallel()
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// check all key sequences
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for i := 0; i < 0x7f; i++ {
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if i != 0x1b {
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ansiKeyCase(byte(i)).run(t)
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}
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}
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// check a selection of escape sequences
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escapeCases := []ansiCase{
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ansiEscapeCase("", '7'),
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ansiEscapeCase("", '8'),
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ansiEscapeCase("(", 'A'),
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ansiEscapeCase(")", 'A'),
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ansiErrorCase("\x1b", "", "", 3),
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ansiErrorCase("\x1b", "", "(", 3),
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ansiErrorCase("\x1b", "", "", 0x7f),
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}
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for _, c := range escapeCases {
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c.run(t)
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}
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// check a selection of control sequences
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controlCases := []ansiCase{
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ansiControlCase("5", "", '~'),
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ansiControlCase("6", "", '~'),
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ansiControlCase("5;1", "", '~'),
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ansiControlCase("6;1", "", '~'),
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ansiControlCase("", "", 'A'),
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ansiControlCase("", "", 'B'),
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ansiControlCase("80;24", " ", 'T'),
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ansiErrorCase("\x1b[", "5", "", 3),
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ansiErrorCase("\x1b[", "80;24", " ", 4),
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ansiErrorCase("\x1b[", "5;1", "", 0x7f),
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}
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for _, c := range controlCases {
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c.run(t)
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}
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}
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