archvillainette
f257672427
Reviewed-on: #21 Co-authored-by: vickydotbat <vickydotbat@tutamail.com> Co-committed-by: vickydotbat <vickydotbat@tutamail.com>
105 lines
3.0 KiB
Go
105 lines
3.0 KiB
Go
package menu
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import (
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"bytes"
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"io"
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"reflect"
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"regexp"
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"strings"
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"testing"
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)
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var sample = []Item{
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{Label: "module build", Desc: "build the .mod", Args: []string{"module", "build"}},
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{Label: "topdata validate-topdata", Desc: "validate topdata", Args: []string{"topdata", "validate-topdata"}},
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}
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func TestSelectReturnsChosenArgs(t *testing.T) {
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got, err := Select(io.Discard, strings.NewReader("1\n\n"), sample)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if want := []string{"module", "build"}; !reflect.DeepEqual(got, want) {
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t.Fatalf("got %v, want %v", got, want)
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}
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}
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func TestSelectAppendsExtraArgs(t *testing.T) {
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got, err := Select(io.Discard, strings.NewReader("2\n--dry-run foo\n"), sample)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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want := []string{"topdata", "validate-topdata", "--dry-run", "foo"}
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if !reflect.DeepEqual(got, want) {
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t.Fatalf("got %v, want %v", got, want)
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}
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}
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func TestSelectQuitReturnsNil(t *testing.T) {
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got, err := Select(io.Discard, strings.NewReader("q\n"), sample)
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if err != nil || got != nil {
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t.Fatalf("quit should return (nil,nil); got (%v,%v)", got, err)
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}
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}
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func TestSelectInvalidErrors(t *testing.T) {
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if _, err := Select(io.Discard, strings.NewReader("99\n"), sample); err == nil {
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t.Fatal("out-of-range selection should error")
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}
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}
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func TestSelectAlignsDescriptionsAfterLongestLabel(t *testing.T) {
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items := []Item{
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{Label: "hak build", Desc: "build haks", Args: []string{"hak", "build"}},
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{Label: "topdata exceptionally-long-command", Desc: "long command", Args: []string{"topdata", "long"}},
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}
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var out bytes.Buffer
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if _, err := Select(&out, strings.NewReader("q\n"), items); err != nil {
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t.Fatalf("select: %v", err)
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}
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text := stripANSI(out.String())
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var positions []int
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for _, line := range strings.Split(text, "\n") {
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for _, desc := range []string{"build haks", "long command"} {
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if index := strings.Index(line, desc); index >= 0 {
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positions = append(positions, index)
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}
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}
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}
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if len(positions) != 2 {
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t.Fatalf("expected two menu descriptions, got %d:\n%s", len(positions), text)
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}
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if positions[0] != positions[1] {
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t.Fatalf("descriptions are not aligned: columns %v\n%s", positions, text)
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}
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}
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func TestSelectShowsCommandGuidanceBeforeArgumentsPrompt(t *testing.T) {
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items := []Item{{
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Label: "topdata build",
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Desc: "compile topdata",
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Args: []string{"topdata", "build"},
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Usage: "crucible topdata build [--force]",
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Options: []string{"--force rebuild outputs"},
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}}
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var out bytes.Buffer
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if _, err := Select(&out, strings.NewReader("1\n\n"), items); err != nil {
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t.Fatalf("select: %v", err)
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}
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text := stripANSI(out.String())
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for _, want := range []string{
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"usage: crucible topdata build [--force]",
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"options:",
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"--force rebuild outputs",
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"arguments (press Enter to use defaults):",
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} {
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if !strings.Contains(text, want) {
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t.Errorf("selected command guidance missing %q:\n%s", want, text)
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}
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}
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}
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func stripANSI(value string) string {
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return regexp.MustCompile(`\x1b\[[0-9;]*m`).ReplaceAllString(value, "")
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}
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