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More work on readline completion

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This commit is contained in:
Kovid Goyal
2022-11-12 11:27:27 +05:30
parent 4974219e0f
commit 9e2c96653f
5 changed files with 80 additions and 16 deletions
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49
tools/tui/readline/actions_test.go
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@@ -5,7 +5,9 @@ package readline
import (
"container/list"
"fmt"
"kitty/tools/cli"
"kitty/tools/tui/loop"
"kitty/tools/utils/shlex"
"strconv"
"strings"
"testing"
@@ -481,7 +483,7 @@ func TestHistory(t *testing.T) {
t.Fatalf("Text before cursor not as expected:\n%s", diff)
}
if diff := cmp.Diff(after_cursor, aa); diff != "" {
t.Fatalf("Text before cursor not as expected:\n%s", diff)
t.Fatalf("Text after cursor not as expected:\n%s", diff)
}
}
add_item("xyz1")
@@ -512,3 +514,48 @@ func TestHistory(t *testing.T) {
rl.perform_action(ActionTerminateHistorySearchAndRestore, 1)
ah("a", "")
}
func TestReadlineCompletion(t *testing.T) {
lp, _ := loop.New()
completer := func(before_cursor, after_cursor string) (ans *cli.Completions) {
root := cli.NewRootCommand()
c := root.AddSubCommand(&cli.Command{Name: "test-completion"})
c.AddSubCommand(&cli.Command{Name: "a1"})
c.AddSubCommand(&cli.Command{Name: "a11"})
c.AddSubCommand(&cli.Command{Name: "a2"})
prefix := c.Name + " "
text := prefix + before_cursor
argv, position_of_last_arg := shlex.SplitForCompletion(text)
if len(argv) == 0 || position_of_last_arg < len(prefix) {
return
}
ans = root.GetCompletions(argv, nil)
ans.CurrentWordIdx = position_of_last_arg - len(prefix)
return
}
rl := New(lp, RlInit{Prompt: "$$ ", Completer: completer})
ah := func(before_cursor, after_cursor string) {
ab := rl.text_upto_cursor_pos()
aa := rl.text_after_cursor_pos()
if diff := cmp.Diff(before_cursor, ab); diff != "" {
t.Fatalf("Text before cursor not as expected:\n%s", diff)
}
if diff := cmp.Diff(after_cursor, aa); diff != "" {
t.Fatalf("Text after cursor not as expected:\n%s", diff)
}
}
rl.add_text("a")
rl.perform_action(ActionCompleteForward, 1)
ah("a", "")
rl.perform_action(ActionCompleteForward, 1)
ah("a1 ", "")
rl.perform_action(ActionCompleteForward, 1)
ah("a11 ", "")
rl.perform_action(ActionCompleteForward, 1)
ah("a2 ", "")
rl.perform_action(ActionCompleteBackward, 1)
ah("a11 ", "")
}