Files
2026-08-11 20:15:06 -04:00

60 lines
2.0 KiB
Go

// SPDX-License-Identifier: AGPL-3.0-only
package devserver
import (
"os"
"path/filepath"
"testing"
)
func TestSnapshotWatchesSourcesAssetsAndStopsAtNestedModules(t *testing.T) {
t.Parallel()
root := t.TempDir()
writeWatchFile(t, filepath.Join(root, "main.go"), "package main")
writeWatchFile(t, filepath.Join(root, "views", "home.sando"), "<h1>home</h1>")
writeWatchFile(t, filepath.Join(root, "views", "home.sando.go"), "// generated")
writeWatchFile(t, filepath.Join(root, "notes.txt"), "not watched")
writeWatchFile(t, filepath.Join(root, "assets", "site.css"), "body{}")
writeWatchFile(t, filepath.Join(root, "nested", "go.mod"), "module nested.test")
writeWatchFile(t, filepath.Join(root, "nested", "ignored.go"), "package ignored")
cfg := DefaultConfig()
cfg.SourceRoots = []string{"views"}
cfg.AdditionalWatchRoots = []string{"assets"}
snapshot, err := takeSnapshot(makeWatchRoots(root, cfg))
if err != nil {
t.Fatal(err)
}
for _, want := range []string{"main.go", filepath.Join("views", "home.sando"), filepath.Join("assets", "site.css")} {
if _, ok := snapshot[filepath.Join(root, want)]; !ok {
t.Errorf("snapshot does not contain %s", want)
}
}
for _, unwanted := range []string{"notes.txt", filepath.Join("views", "home.sando.go"), filepath.Join("nested", "go.mod"), filepath.Join("nested", "ignored.go")} {
if _, ok := snapshot[filepath.Join(root, unwanted)]; ok {
t.Errorf("snapshot unexpectedly contains %s", unwanted)
}
}
before := snapshot
writeWatchFile(t, filepath.Join(root, "assets", "site.css"), "body{color:green}")
after, err := takeSnapshot(makeWatchRoots(root, cfg))
if err != nil {
t.Fatal(err)
}
if snapshotsEqual(before, after) {
t.Fatal("asset change was not detected")
}
}
func writeWatchFile(t *testing.T, path, contents string) {
t.Helper()
if err := os.MkdirAll(filepath.Dir(path), 0o700); err != nil {
t.Fatal(err)
}
if err := os.WriteFile(path, []byte(contents), 0o600); err != nil {
t.Fatal(err)
}
}