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feat(FN-4622): complete Step 2 — implement worktrunk backend

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Fusion-Task-Id: FN-4622
Fusion-Task-Lineage: 10ab809f-32ef-4a1e-921e-4f8ae4161323
This commit is contained in:
Fusion (runfusion.ai)
2026-05-15 18:37:55 -07:00
committed by gsxdsm
parent f3c557b216
commit 58cc260444
2 changed files with 58 additions and 24 deletions
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33
packages/engine/src/__tests__/worktree-backend.test.ts
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@@ -142,7 +142,7 @@ describe("WorktrunkWorktreeBackend", () => {
).rejects.toMatchObject({ code: "worktrunk_operation_failed", stderr: "bad news", exitCode: 7 });
});
it("passes timeout/maxBuffer and cwd", async () => {
it("invokes create mapping with timeout/maxBuffer and cwd", async () => {
execMock.mockResolvedValue({ stdout: "", stderr: "" });
const backend = new WorktrunkWorktreeBackend({ binaryPath: "worktrunk" });
@@ -150,14 +150,43 @@ describe("WorktrunkWorktreeBackend", () => {
rootDir: "/repo",
worktreePath: "/repo/.worktrees/fn-1",
branch: "fusion/fn-1",
startPoint: "main",
taskId: "FN-1",
});
expect(execMock).toHaveBeenCalledWith(
'"worktrunk" --help',
'"worktrunk" "switch" "--create" "fusion/fn-1" "main"',
expect.objectContaining({ cwd: "/repo", timeout: 120000, maxBuffer: 10485760 }),
);
});
it("invokes remove mapping", async () => {
execMock.mockResolvedValue({ stdout: "", stderr: "" });
const backend = new WorktrunkWorktreeBackend({ binaryPath: "worktrunk" });
await backend.remove({
rootDir: "/repo",
worktreePath: "/repo/.worktrees/fn-1",
branch: "fusion/fn-1",
});
expect(execMock).toHaveBeenCalledWith(
'"worktrunk" "remove" "fusion/fn-1"',
expect.objectContaining({ cwd: "/repo", timeout: 120000, maxBuffer: 10485760 }),
);
});
it("throws unsupported operation for sync/prune", async () => {
const backend = new WorktrunkWorktreeBackend({ binaryPath: "worktrunk" });
await expect(
backend.sync({ rootDir: "/repo", worktreePath: "/repo/.worktrees/fn-1", branch: "main" }),
).rejects.toMatchObject({ code: "worktrunk_unsupported_operation", operation: "sync" });
await expect(backend.prune({ rootDir: "/repo" })).rejects.toMatchObject({
code: "worktrunk_unsupported_operation",
operation: "prune",
});
});
});
describe("WorktrunkOperationError", () => {