Files

74 lines
2.1 KiB
Cheetah

package tools
import (
"context"
"encoding/json"
"errors"
"os"
"path/filepath"
"strings"
"testing"
"[[.SDKModule]]/pluginsdk"
)
// fakeHost answers host.files.* for files inside dir, like Cletus does for
// the folder the user opened.
func fakeHost(dir string, canWrite bool) *pluginsdk.Host {
return pluginsdk.NewTestHost(func(method string, params json.RawMessage) (any, error) {
var p struct{ Path string }
_ = json.Unmarshal(params, &p)
path := p.Path
if !filepath.IsAbs(path) {
path = filepath.Join(dir, path)
}
switch method {
case "host.files.resolve":
if _, err := os.Stat(path); err != nil {
return nil, errors.New(p.Path + " does not exist")
}
return path, nil
case "host.files.can_write":
return canWrite, nil
}
return nil, errors.New("unexpected host call " + method)
})
}
func run(t *testing.T, tool pluginsdk.Tool, h *pluginsdk.Host, args string, edit bool) pluginsdk.ToolResult {
t.Helper()
return tool.Run(context.Background(), h, pluginsdk.ToolCall{Args: json.RawMessage(args), EditMode: edit})
}
func TestCountLines(t *testing.T) {
dir := t.TempDir()
if err := os.WriteFile(filepath.Join(dir, "a.txt"), []byte("one\ntwo\nthree"), 0o644); err != nil {
t.Fatal(err)
}
got := run(t, countLines, fakeHost(dir, false), `{"path":"a.txt"}`, false)
if got.Error != "" || !strings.Contains(got.Text, "3 lines") {
t.Fatalf("got %+v", got)
}
if got := run(t, countLines, fakeHost(dir, false), `{"path":"missing.txt"}`, false); got.Error == "" {
t.Fatal("a missing file should fail")
}
}
func TestSaveSummaryNeedsEdits(t *testing.T) {
dir := t.TempDir()
if err := os.WriteFile(filepath.Join(dir, "a.txt"), []byte("one\n"), 0o644); err != nil {
t.Fatal(err)
}
if got := run(t, saveSummary, fakeHost(dir, false), `{"path":"a.txt"}`, false); got.Error == "" {
t.Fatal("saving without edits allowed should fail")
}
got := run(t, saveSummary, fakeHost(dir, true), `{"path":"a.txt"}`, true)
if got.Error != "" {
t.Fatalf("got %+v", got)
}
data, err := os.ReadFile(filepath.Join(dir, "a.txt.summary.txt"))
if err != nil || string(data) != "1 lines\n" {
t.Fatalf("summary = %q, %v", data, err)
}
}