commit

test/fs.test.ts

@@ -3,7 +3,7 @@ import { tmpdir } from 'node:os'
 import { join } from 'node:path'
 import { afterEach, describe, expect, it } from 'vitest'
 import { simpleGit } from 'simple-git'
-import { buildTreeFromPaths, createProjectFile, readAll, readDirChildren, readProjectFile, readTree, writeProjectFile } from '../src/main/fs-service'
+import { buildTreeFromPaths, createProjectDir, createProjectFile, readAll, readDirChildren, readProjectFile, readTree, renameProjectEntry, writeProjectFile } from '../src/main/fs-service'
 
 let dir = ''
 afterEach(async () => { if (dir) await rm(dir, { recursive: true, force: true }) })
@@ -150,3 +150,48 @@ describe('createProjectFile', () => {
     await expect(createProjectFile(dir, '../escape.txt')).rejects.toThrow()
   })
 })
+
+describe('renameProjectEntry', () => {
+  it('renames a file in place and returns the new relative path', async () => {
+    dir = await mkdtemp(join(tmpdir(), 'helder-fs-'))
+    await createProjectFile(dir, 'src/old.ts')
+    await writeProjectFile(dir, 'src/old.ts', 'x\n')
+    const next = await renameProjectEntry(dir, 'src/old.ts', 'new.ts')
+    expect(next).toBe('src/new.ts')
+    expect(await readProjectFile(dir, 'src/new.ts')).toBe('x\n')
+  })
+
+  it('renames a folder with everything inside it', async () => {
+    dir = await mkdtemp(join(tmpdir(), 'helder-fs-'))
+    await createProjectFile(dir, 'old/a.ts')
+    await writeProjectFile(dir, 'old/a.ts', 'a\n')
+    const next = await renameProjectEntry(dir, 'old', 'new')
+    expect(next).toBe('new')
+    expect(await readProjectFile(dir, 'new/a.ts')).toBe('a\n')
+  })
+
+  it('changes only the case of a name', async () => {
+    dir = await mkdtemp(join(tmpdir(), 'helder-fs-'))
+    await writeProjectFile(dir, 'notes.md', 'hi\n')
+    expect(await renameProjectEntry(dir, 'notes.md', 'Notes.md')).toBe('Notes.md')
+    expect(await readProjectFile(dir, 'Notes.md')).toBe('hi\n')
+  })
+
+  it('refuses a name that is already taken', async () => {
+    dir = await mkdtemp(join(tmpdir(), 'helder-fs-'))
+    await writeProjectFile(dir, 'a.txt', 'a\n')
+    await writeProjectFile(dir, 'b.txt', 'b\n')
+    await expect(renameProjectEntry(dir, 'a.txt', 'b.txt')).rejects.toThrow()
+    expect(await readProjectFile(dir, 'b.txt')).toBe('b\n')
+  })
+
+  it('refuses a path-shaped or empty name', async () => {
+    dir = await mkdtemp(join(tmpdir(), 'helder-fs-'))
+    await createProjectDir(dir, 'sub')
+    await writeProjectFile(dir, 'a.txt', 'a\n')
+    await expect(renameProjectEntry(dir, 'a.txt', 'sub/a.txt')).rejects.toThrow()
+    await expect(renameProjectEntry(dir, 'a.txt', '../a.txt')).rejects.toThrow()
+    await expect(renameProjectEntry(dir, 'a.txt', '   ')).rejects.toThrow()
+    expect(await readProjectFile(dir, 'a.txt')).toBe('a\n')
+  })
+})