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Monorepo for Tangled
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const jsonResponse = (body: unknown): Response => new Response(JSON.stringify(body), { status: 200, headers: { "content-type": "application/json" } });
const makeCtx = (fetchMock: typeof globalThis.fetch): BobbinContext => createBobbinClient({ serviceUrl: "https://bobbin.test", fetch: fetchMock });
describe("repoNameOf", () => { const view = (uri: string, name?: string): RecordView<RepoRecord> => ({ uri: uri as RecordView<RepoRecord>["uri"], value: { $type: "sh.tangled.repo", createdAt: "", knot: "knot.test", name } });
it("prefers the record's cosmetic name over a tid rkey", () => { expect(repoNameOf(view("at://did:plc:o/sh.tangled.repo/3lzg6enurmo22", "infra"))).toBe( "infra" ); });
it("falls back to the rkey for unnamed records", () => { expect(repoNameOf(view("at://did:plc:o/sh.tangled.repo/infra"))).toBe("infra"); });});
describe("treeEntryKind", () => { it("maps git file modes to entry kinds", () => { expect(treeEntryKind("0040000")).toBe("directory"); expect(treeEntryKind("040000")).toBe("directory"); expect(treeEntryKind("0100644")).toBe("file"); expect(treeEntryKind("0100755")).toBe("file"); expect(treeEntryKind("0120000")).toBe("symlink"); expect(treeEntryKind("0160000")).toBe("submodule"); });});
describe("sortTreeEntries", () => { it("puts directories and submodules before files, then sorts by name", () => { const entry = (name: string, kind: TreeEntrySummary["kind"]): TreeEntrySummary => ({ name, kind, size: 0 }); const sorted = sortTreeEntries([ entry("readme.md", "file"), entry("src", "directory"), entry(".gitignore", "file"), entry("vendor", "submodule") ]); expect(sorted.map((item) => item.name)).toEqual([ "src", "vendor", ".gitignore", "readme.md" ]); });});
describe("toCommitSummary", () => { // `this` is where the hex hash lives, `hash` is a byte array on the wire const commit: LogCommit = { this: "0c4d0e9b07940033721395a434b5873f0fb9e6c8", author: { Name: "Ada", Email: "ada@example.com", When: "2026-07-01T10:00:00Z" }, committer: { Name: "Ada", Email: "ada@example.com", When: "2026-07-02T10:00:00Z" }, message: "web: add repo index\n\nWith a longer body.\n", change_id: "abc123" };
it("splits the subject from the body and shortens the hash", () => { const summary = toCommitSummary(commit); expect(summary).toMatchObject({ hash: "0c4d0e9b07940033721395a434b5873f0fb9e6c8", shortHash: "0c4d0e9b", subject: "web: add repo index", body: "With a longer body.", authorName: "Ada", when: "2026-07-02T10:00:00Z", changeId: "abc123" }); });
it("leaves the body empty for single-line messages", () => { const summary = toCommitSummary({ ...commit, message: "one liner\n" }); expect(summary.body).toBe(""); expect(summary.subject).toBe("one liner"); });});
describe("toCommitDetail", () => { const commit: NiceCommit = { this: "0c4d0e9b07940033721395a434b5873f0fb9e6c8", author: { Name: "Ada", Email: "ada@example.com", When: "2026-07-01T10:00:00Z" }, committer: { Name: "Grace", Email: "grace@example.com", When: "2026-07-02T10:00:00Z" }, message: "web: add commit page\n\nA longer body.\n\nCo-authored-by: Alan Turing <alan@example.com>\n" };
it("carries both signatures and stamps co-authors with the committer's When", () => { expect(toCommitDetail(commit)).toEqual({ hash: "0c4d0e9b07940033721395a434b5873f0fb9e6c8", shortHash: "0c4d0e9b", subject: "web: add commit page", body: "A longer body.\n\nCo-authored-by: Alan Turing <alan@example.com>", authorName: "Ada", authorEmail: "ada@example.com", authorWhen: "2026-07-01T10:00:00Z", committerName: "Grace", committerEmail: "grace@example.com", committerWhen: "2026-07-02T10:00:00Z", coAuthors: [{ name: "Alan Turing", email: "alan@example.com" }] }); });
it("fills empty strings for a bare commit", () => { expect(toCommitDetail({})).toEqual({ hash: "", shortHash: "", subject: "", body: "", authorName: "", authorEmail: "", authorWhen: "", committerName: "", committerEmail: "", committerWhen: "", coAuthors: [] }); });});
describe("coAuthorsFrom", () => { it("stamps every co-author with the passed When, like go's Commit.CoAuthors", () => { const message = "subject\n\nCo-authored-by: Ada Lovelace <ada@example.com>\nCo-authored-by: Alan Turing <alan@example.com>\n"; expect(coAuthorsFrom(message, "2026-07-02T10:00:00Z")).toEqual([ { Name: "Ada Lovelace", Email: "ada@example.com", When: "2026-07-02T10:00:00Z" }, { Name: "Alan Turing", Email: "alan@example.com", When: "2026-07-02T10:00:00Z" } ]); });
it("dedupes by email and matches the trailer case-insensitively", () => { const message = "subject\n\nco-authored-by: Ada <ada@example.com>\nCo-Authored-By: Ada Again <ada@example.com>\n"; expect(coAuthorsFrom(message, "w")).toEqual([ { Name: "Ada", Email: "ada@example.com", When: "w" } ]); });});
describe("logFor", () => { it("passes the cursor through to the knot", async () => { const fetchMock = vi .fn<typeof globalThis.fetch>() .mockResolvedValue(jsonResponse({ commits: [], total: 42 })); await logFor(makeCtx(fetchMock), "at://did:plc:o/sh.tangled.repo/abc", "master", 20, "40"); const url = new URL(String(fetchMock.mock.calls[0][0])); expect(url.pathname).toBe("/xrpc/sh.tangled.repo.log"); expect(url.searchParams.get("ref")).toBe("master"); expect(url.searchParams.get("limit")).toBe("20"); expect(url.searchParams.get("cursor")).toBe("40"); });});
describe("toBranchSummary", () => { it("reads the nested reference and the go-git commit fields", () => { const branch: BranchEntry = { reference: { name: "master", hash: "ff3a3678" }, commit: { Committer: { Name: "Ada", Email: "a@b.c", When: "2026-07-02T10:00:00Z" }, Message: "the tip commit" }, is_default: true }; expect(toBranchSummary(branch)).toEqual({ name: "master", hash: "ff3a3678", when: "2026-07-02T10:00:00Z", isDefault: true, message: "the tip commit" }); });
it("treats a missing is_default as not default", () => { expect(toBranchSummary({ reference: { name: "topic", hash: "abc" } }).isDefault).toBe( false ); });});
describe("toTagSummary", () => { // an annotated tag's own hash is the tag object, the commit is in Target it("reads the inlined reference and follows an annotated tag to its commit", () => { const tag: TagEntry = { name: "v1.0.0", hash: "63fa1d4b", message: "release", tag: { Tagger: { Name: "Ada", Email: "a@b.c", When: "2026-07-01T10:00:00Z" }, Target: [75, 78, 254, 37] } }; expect(toTagSummary(tag)).toEqual({ name: "v1.0.0", hash: "63fa1d4b", commitHash: "4b4efe25", when: "2026-07-01T10:00:00Z", message: "release", taggerName: "Ada" }); });
it("a lightweight tag is its own commit", () => { const summary = toTagSummary({ name: "v1.0.0", hash: "eebb477b" }); expect(summary.commitHash).toBe("eebb477b"); });});
describe("toTreeEntrySummary", () => { it("carries the last commit over from snake_case", () => { expect( toTreeEntrySummary({ name: "flake.nix", mode: "0100644", size: 213, last_commit: { hash: "f0b11b85", message: "init", when: "2026-07-01T10:00:00Z" } }) ).toEqual({ name: "flake.nix", kind: "file", size: 213, lastCommitHash: "f0b11b85", lastCommitWhen: "2026-07-01T10:00:00Z", lastCommitMessage: "init" }); });});
describe("resolveRepoByName", () => { const owner = "did:plc:owner";
it("asks bobbin for the owner and name", async () => { const fetchMock = vi.fn<typeof globalThis.fetch>().mockResolvedValue( jsonResponse({ uri: `at://${owner}/sh.tangled.repo/3lzg6enurmo22`, value: { $type: "sh.tangled.repo", knot: "knot.test", name: "infra" } }) ); const view = await resolveRepoByName(makeCtx(fetchMock), owner, "infra"); expect(view?.uri).toBe(`at://${owner}/sh.tangled.repo/3lzg6enurmo22`); const url = new URL(String(fetchMock.mock.calls[0][0])); expect(url.pathname).toBe("/xrpc/sh.tangled.repo.getRepoByName"); expect(url.searchParams.get("owner")).toBe(owner); expect(url.searchParams.get("name")).toBe("infra"); });
it("returns null when the owner has no such repo", async () => { const fetchMock = vi.fn<typeof globalThis.fetch>().mockResolvedValue( new Response(JSON.stringify({ error: "RecordNotFound" }), { status: 404, headers: { "content-type": "application/json" } }) ); expect(await resolveRepoByName(makeCtx(fetchMock), owner, "missing")).toBeNull(); });
it("propagates anything that is not a miss", async () => { const fetchMock = vi.fn<typeof globalThis.fetch>().mockResolvedValue( new Response(JSON.stringify({ error: "UpstreamFailed" }), { status: 502, headers: { "content-type": "application/json" } }) ); await expect(resolveRepoByName(makeCtx(fetchMock), owner, "infra")).rejects.toBeInstanceOf( ClientResponseError ); });});
describe("resolveForkRepoLabels", () => { const enrichReply = jsonResponse({ output: { items: [ { uri: "at://did:plc:forkowner/sh.tangled.repo/core", value: { $type: "sh.tangled.repo", knot: "knot.test", name: "core", repoDid: "did:plc:forkrepo" } } ] }, data: { "did:plc:forkowner": { "sh.tangled.repo:.repo": { "blue.microcosm.identity.resolveMiniDoc": { handle: "fork.example" } } } } });
it("labels each fork did as owner/name from the enrich sidecar", async () => { const fetchMock = vi.fn<typeof globalThis.fetch>().mockResolvedValue(enrichReply); const labels = await resolveForkRepoLabels(makeCtx(fetchMock), ["did:plc:forkrepo"]); expect(labels).toEqual({ "did:plc:forkrepo": "fork.example/core" });
const [url, request] = fetchMock.mock.calls[0]; expect(String(url)).toContain("/xrpc/sh.tangled.query.enrichResponse"); expect(JSON.parse(String(request?.body))).toMatchObject({ xrpc: "sh.tangled.repo.getReposByRepoDids", params: { dids: ["did:plc:forkrepo"] } }); });
it("skips dids bobbin has no repo for", async () => { const fetchMock = vi .fn<typeof globalThis.fetch>() .mockResolvedValue(jsonResponse({ output: { items: [] }, data: {} })); expect(await resolveForkRepoLabels(makeCtx(fetchMock), ["did:plc:gone"])).toEqual({}); });
it("does not ask when there is nothing to label", async () => { const fetchMock = vi.fn<typeof globalThis.fetch>(); expect(await resolveForkRepoLabels(makeCtx(fetchMock), [])).toEqual({}); expect(fetchMock).not.toHaveBeenCalled(); });});
describe("resolveRepoByRepoDid", () => { const enrichReply = jsonResponse({ output: { uri: "at://did:plc:owner/sh.tangled.repo/core", value: { $type: "sh.tangled.repo", knot: "knot.test", name: "core", repoDid: "did:plc:j5hmlfdrwkvtxm7cjmu7j2is" } }, data: { "did:plc:owner": { "sh.tangled.repo:.repo": { "blue.microcosm.identity.resolveMiniDoc": { did: "did:plc:owner", handle: "tangled.org" } } } } });
it("resolves owner handle and repo name from repo did", async () => { const fetchMock = vi.fn<typeof globalThis.fetch>().mockResolvedValue(enrichReply); const result = await resolveRepoByRepoDid( makeCtx(fetchMock), "did:plc:j5hmlfdrwkvtxm7cjmu7j2is" ); expect(result).toEqual({ owner: "tangled.org", name: "core" });
const [url, request] = fetchMock.mock.calls[0]; expect(String(url)).toContain("/xrpc/sh.tangled.query.enrichResponse"); expect(JSON.parse(String(request?.body))).toMatchObject({ xrpc: "sh.tangled.repo.getRepoByRepoDid", params: { repoDid: "did:plc:j5hmlfdrwkvtxm7cjmu7j2is" } }); });
it("falls back to owner did when handle is missing or .invalid", async () => { const enrichReplyNoHandle = jsonResponse({ output: { uri: "at://did:plc:owner/sh.tangled.repo/core", value: { $type: "sh.tangled.repo", knot: "knot.test", name: "core", repoDid: "did:plc:j5hmlfdrwkvtxm7cjmu7j2is" } }, data: { "did:plc:owner": { "sh.tangled.repo:.repo": { "blue.microcosm.identity.resolveMiniDoc": { did: "did:plc:owner", handle: "handle.invalid" } } } } }); const fetchMock = vi.fn<typeof globalThis.fetch>().mockResolvedValue(enrichReplyNoHandle); const result = await resolveRepoByRepoDid( makeCtx(fetchMock), "did:plc:j5hmlfdrwkvtxm7cjmu7j2is" ); expect(result).toEqual({ owner: "did:plc:owner", name: "core" }); });
it("returns null when bobbin has no such repo", async () => { const fetchMock = vi.fn<typeof globalThis.fetch>().mockResolvedValue( new Response(JSON.stringify({ error: "RecordNotFound" }), { status: 404, headers: { "content-type": "application/json" } }) ); expect(await resolveRepoByRepoDid(makeCtx(fetchMock), "did:plc:missing")).toBeNull(); });});