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Mirror of https://github.com/improsocial/improAn extensible Bluesky client for web
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const sig = (getter) => ({ get: getter });// Stubs a ComputedMap: get(key) returns the derived value directly.const mapSig = (getter) => ({ get: (key) => getter(key) });
function createMockDerived(data = {}) { return { $currentUser: sig(() => data.currentUser ?? null), $hydratedDetailedProfiles: mapSig((did) => data.profiles?.[did] ?? null), $knownFollowers: mapSig((did) => data.knownFollowers?.[did] ?? null), $hydratedPostThreads: mapSig((uri) => data.postThreads?.[uri] ?? null), $hydratedPosts: mapSig((uri) => data.posts?.[uri] ?? null), $feedGenerators: mapSig((uri) => data.feedGenerators?.[uri] ?? null), $hydratedPinnedItems: sig(() => data.pinnedItems ?? null), $convoList: sig(() => data.convoList ?? null), $convos: mapSig((id) => data.convos?.[id] ?? null), $convoForProfile: mapSig((did) => data.convoForProfile?.[did] ?? null), };}
function createMockRequests(loadResults = {}) { return { loadCurrentUser: async () => loadResults.currentUser, loadDetailedProfile: async (did) => loadResults.profiles?.[did], loadDetailedProfiles: async () => {}, loadKnownFollowers: async () => {}, loadPostThread: async (uri) => loadResults.postThreads?.[uri], loadPost: async (uri) => loadResults.posts?.[uri], loadPosts: async () => {}, loadFeedGenerator: async (uri) => loadResults.feedGenerators?.[uri], loadPinnedItems: async () => loadResults.pinnedItems, loadConvoList: async () => loadResults.convoList, loadConvo: async (id) => loadResults.convos?.[id], loadConvoForProfile: async (did) => loadResults.convoForProfile?.[did], };}
describe("ensureCurrentUser", () => { it("should return existing current user without loading", async () => { const currentUser = { did: "did:test:user", handle: "test.user" }; let loadCalled = false;
const derived = createMockDerived({ currentUser }); const requests = { loadCurrentUser: async () => { loadCalled = true; }, };
const declarative = new Declarative(derived, requests); const result = await declarative.ensureCurrentUser();
assert.deepEqual(result, currentUser); assert.deepEqual(loadCalled, false); });
it("should load current user when not in cache", async () => { const currentUser = { did: "did:test:user", handle: "test.user" }; let callCount = 0;
const derived = { $currentUser: sig(() => { callCount++; return callCount > 1 ? currentUser : null; }), }; const requests = { loadCurrentUser: async () => {}, };
const declarative = new Declarative(derived, requests); const result = await declarative.ensureCurrentUser();
assert.deepEqual(result, currentUser); assert.deepEqual(callCount, 2); });
it("should throw when user not found after loading", async () => { const derived = createMockDerived({}); const requests = createMockRequests({});
const declarative = new Declarative(derived, requests);
let error = null; try { await declarative.ensureCurrentUser(); } catch (e) { error = e; }
assert(error !== null); assert.deepEqual(error.message, "Current user not found"); });});
describe("ensureDetailedProfile", () => { it("should return existing profile without loading", async () => { const profileDid = "did:test:profile"; const profile = { did: profileDid, handle: "test.profile" }; let loadCalled = false;
const derived = createMockDerived({ profiles: { [profileDid]: profile } }); const requests = { loadDetailedProfile: async () => { loadCalled = true; }, };
const declarative = new Declarative(derived, requests); const result = await declarative.ensureDetailedProfile(profileDid);
assert.deepEqual(result, profile); assert.deepEqual(loadCalled, false); });
it("should load profile when not in cache", async () => { const profileDid = "did:test:profile"; const profile = { did: profileDid, handle: "test.profile" }; let callCount = 0;
const derived = { $hydratedDetailedProfiles: mapSig(() => { callCount++; return callCount > 1 ? profile : null; }), }; const requests = { loadDetailedProfile: async () => {}, };
const declarative = new Declarative(derived, requests); const result = await declarative.ensureDetailedProfile(profileDid);
assert.deepEqual(result, profile); });
it("should throw when profile not found after loading", async () => { const derived = createMockDerived({}); const requests = createMockRequests({});
const declarative = new Declarative(derived, requests);
let error = null; try { await declarative.ensureDetailedProfile("did:nonexistent"); } catch (e) { error = e; }
assert(error !== null); assert.deepEqual(error.message, "Profile not found"); });});
describe("ensureKnownFollowers", () => { it("should return existing known followers without loading", async () => { const profileDid = "did:test:profile"; const knownFollowers = { followers: [{ did: "did:test:follower" }] }; let loadCalled = false;
const derived = createMockDerived({ knownFollowers: { [profileDid]: knownFollowers }, }); const requests = { loadKnownFollowers: async () => { loadCalled = true; }, };
const declarative = new Declarative(derived, requests); const result = await declarative.ensureKnownFollowers(profileDid);
assert.deepEqual(result, knownFollowers); assert.deepEqual(loadCalled, false); });
it("should load known followers when not in cache", async () => { const profileDid = "did:test:profile"; const knownFollowers = { followers: [{ did: "did:test:follower" }] }; let callCount = 0;
const derived = { $knownFollowers: mapSig(() => { callCount++; return callCount > 1 ? knownFollowers : null; }), }; const requests = { loadKnownFollowers: async () => {}, };
const declarative = new Declarative(derived, requests); const result = await declarative.ensureKnownFollowers(profileDid);
assert.deepEqual(result, knownFollowers); });
it("should throw when known followers not found after loading", async () => { const derived = createMockDerived({}); const requests = createMockRequests({});
const declarative = new Declarative(derived, requests);
let error = null; try { await declarative.ensureKnownFollowers("did:nonexistent"); } catch (e) { error = e; }
assert(error !== null); assert.deepEqual(error.message, "Known followers not found"); });});
describe("ensureDetailedProfiles", () => { it("returns cached profiles in input order without loading", async () => { const profileA = { did: "did:test:a", handle: "a.test" }; const profileB = { did: "did:test:b", handle: "b.test" }; let loadCalled = false;
const derived = createMockDerived({ profiles: { [profileA.did]: profileA, [profileB.did]: profileB }, }); const requests = { loadDetailedProfiles: async () => { loadCalled = true; }, };
const declarative = new Declarative(derived, requests); const result = await declarative.ensureDetailedProfiles([ profileB.did, profileA.did, ]);
assert.deepEqual(result, [profileB, profileA]); assert.deepEqual(loadCalled, false); });
it("loads only missing profiles", async () => { const profileA = { did: "did:test:a", handle: "a.test" }; const profileB = { did: "did:test:b", handle: "b.test" }; const store = { [profileA.did]: profileA }; let loadedWith = null;
const derived = { $hydratedDetailedProfiles: mapSig((did) => store[did] ?? null), }; const requests = { loadDetailedProfiles: async (dids) => { loadedWith = dids; store[profileB.did] = profileB; }, };
const declarative = new Declarative(derived, requests); const result = await declarative.ensureDetailedProfiles([ profileA.did, profileB.did, ]);
assert.deepEqual(loadedWith, [profileB.did]); assert.deepEqual(result, [profileA, profileB]); });
it("returns null entries for profiles still missing after load", async () => { const derived = { $hydratedDetailedProfiles: mapSig(() => null) }; const requests = { loadDetailedProfiles: async () => {} };
const declarative = new Declarative(derived, requests); const result = await declarative.ensureDetailedProfiles([ "did:test:missing", ]);
assert.deepEqual(result, [null]); });});
describe("ensurePostThread", () => { it("should return existing post thread without loading", async () => { const postURI = "at://did:test/app.bsky.feed.post/123"; const postThread = { post: { uri: postURI }, replies: [] }; let loadCalled = false;
const derived = createMockDerived({ postThreads: { [postURI]: postThread }, }); const requests = { loadPostThread: async () => { loadCalled = true; }, };
const declarative = new Declarative(derived, requests); const result = await declarative.ensurePostThread(postURI);
assert.deepEqual(result, postThread); assert.deepEqual(loadCalled, false); });
it("should load post thread when not in cache", async () => { const postURI = "at://did:test/app.bsky.feed.post/123"; const postThread = { post: { uri: postURI }, replies: [] }; let callCount = 0;
const derived = { $hydratedPostThreads: mapSig(() => { callCount++; return callCount > 1 ? postThread : null; }), }; const requests = { loadPostThread: async () => {}, };
const declarative = new Declarative(derived, requests); const result = await declarative.ensurePostThread(postURI);
assert.deepEqual(result, postThread); });
it("should pass labelers option to loadPostThread", async () => { const postURI = "at://did:test/app.bsky.feed.post/123"; const postThread = { post: { uri: postURI }, replies: [] }; let passedLabelers = null; let callCount = 0;
const derived = { $hydratedPostThreads: mapSig(() => { callCount++; return callCount > 1 ? postThread : null; }), }; const requests = { loadPostThread: async (uri, options) => { passedLabelers = options.labelers; }, };
const declarative = new Declarative(derived, requests); await declarative.ensurePostThread(postURI, { labelers: ["labeler1"] });
assert.deepEqual(passedLabelers, ["labeler1"]); });
it("should throw when post thread not found after loading", async () => { const derived = createMockDerived({}); const requests = createMockRequests({});
const declarative = new Declarative(derived, requests);
let error = null; try { await declarative.ensurePostThread("at://nonexistent"); } catch (e) { error = e; }
assert(error !== null); assert.deepEqual(error.message, "Post thread not found"); });});
describe("ensurePost", () => { it("should return existing post without loading", async () => { const postURI = "at://did:test/app.bsky.feed.post/123"; const post = { uri: postURI, text: "Hello" }; let loadCalled = false;
const derived = createMockDerived({ posts: { [postURI]: post } }); const requests = { loadPost: async () => { loadCalled = true; }, };
const declarative = new Declarative(derived, requests); const result = await declarative.ensurePost(postURI);
assert.deepEqual(result, post); assert.deepEqual(loadCalled, false); });
it("should load post when not in cache", async () => { const postURI = "at://did:test/app.bsky.feed.post/123"; const post = { uri: postURI, text: "Hello" }; let callCount = 0;
const derived = { $hydratedPosts: mapSig(() => { callCount++; return callCount > 1 ? post : null; }), }; const requests = { loadPost: async () => {}, };
const declarative = new Declarative(derived, requests); const result = await declarative.ensurePost(postURI);
assert.deepEqual(result, post); });
it("should throw when post not found after loading", async () => { const derived = createMockDerived({}); const requests = createMockRequests({});
const declarative = new Declarative(derived, requests);
let error = null; try { await declarative.ensurePost("at://nonexistent"); } catch (e) { error = e; }
assert(error !== null); assert.deepEqual(error.message, "Post not found"); });});
describe("ensurePosts", () => { it("returns cached posts in input order without loading", async () => { const postA = { uri: "at://a", text: "A" }; const postB = { uri: "at://b", text: "B" }; let loadCalled = false;
const derived = createMockDerived({ posts: { [postA.uri]: postA, [postB.uri]: postB }, }); const requests = { loadPosts: async () => { loadCalled = true; }, };
const declarative = new Declarative(derived, requests); const result = await declarative.ensurePosts([postB.uri, postA.uri]);
assert.deepEqual(result, [postB, postA]); assert.deepEqual(loadCalled, false); });
it("loads only missing posts", async () => { const postA = { uri: "at://a", text: "A" }; const postB = { uri: "at://b", text: "B" }; const store = { [postA.uri]: postA }; let loadedWith = null;
const derived = { $hydratedPosts: mapSig((uri) => store[uri] ?? null), }; const requests = { loadPosts: async (uris) => { loadedWith = uris; store[postB.uri] = postB; }, };
const declarative = new Declarative(derived, requests); const result = await declarative.ensurePosts([postA.uri, postB.uri]);
assert.deepEqual(loadedWith, [postB.uri]); assert.deepEqual(result, [postA, postB]); });
it("returns null entries for posts still missing after load", async () => { const derived = { $hydratedPosts: mapSig(() => null), }; const requests = { loadPosts: async () => {} };
const declarative = new Declarative(derived, requests); const result = await declarative.ensurePosts(["at://missing"]);
assert.deepEqual(result, [null]); });});
describe("ensureFeedGenerator", () => { it("should return existing feed generator without loading", async () => { const feedUri = "at://did:test/app.bsky.feed.generator/test"; const feedGenerator = { uri: feedUri, displayName: "Test Feed" }; let loadCalled = false;
const derived = createMockDerived({ feedGenerators: { [feedUri]: feedGenerator }, }); const requests = { loadFeedGenerator: async () => { loadCalled = true; }, };
const declarative = new Declarative(derived, requests); const result = await declarative.ensureFeedGenerator(feedUri);
assert.deepEqual(result, feedGenerator); assert.deepEqual(loadCalled, false); });
it("should load feed generator when not in cache", async () => { const feedUri = "at://did:test/app.bsky.feed.generator/test"; const feedGenerator = { uri: feedUri, displayName: "Test Feed" }; let callCount = 0;
const derived = { $feedGenerators: mapSig(() => { callCount++; return callCount > 1 ? feedGenerator : null; }), }; const requests = { loadFeedGenerator: async () => {}, };
const declarative = new Declarative(derived, requests); const result = await declarative.ensureFeedGenerator(feedUri);
assert.deepEqual(result, feedGenerator); });
it("should throw when feed generator not found after loading", async () => { const derived = createMockDerived({}); const requests = createMockRequests({});
const declarative = new Declarative(derived, requests);
let error = null; try { await declarative.ensureFeedGenerator("at://nonexistent"); } catch (e) { error = e; }
assert(error !== null); assert.deepEqual(error.message, "Feed generator not found"); });});
describe("ensurePinnedItems", () => { it("should return existing pinned items without loading", async () => { const pinnedItems = [ { type: "feed", data: { uri: "feed1" } }, { type: "feed", data: { uri: "feed2" } }, ]; let loadCalled = false;
const derived = createMockDerived({ pinnedItems }); const requests = { loadPinnedItems: async () => { loadCalled = true; }, };
const declarative = new Declarative(derived, requests); const result = await declarative.ensurePinnedItems();
assert.deepEqual(result, pinnedItems); assert.deepEqual(loadCalled, false); });
it("should load pinned items when not in cache", async () => { const pinnedItems = [{ type: "feed", data: { uri: "feed1" } }]; let callCount = 0;
const derived = { $hydratedPinnedItems: sig(() => { callCount++; return callCount > 1 ? pinnedItems : null; }), }; const requests = { loadPinnedItems: async () => {}, };
const declarative = new Declarative(derived, requests); const result = await declarative.ensurePinnedItems();
assert.deepEqual(result, pinnedItems); });
it("should throw when pinned items not found after loading", async () => { const derived = createMockDerived({}); const requests = createMockRequests({});
const declarative = new Declarative(derived, requests);
let error = null; try { await declarative.ensurePinnedItems(); } catch (caught) { error = caught; }
assert(error !== null); assert.deepEqual(error.message, "Pinned items not found"); });});
describe("ensureConvoList", () => { it("should return existing convo list without loading", async () => { const convoList = [{ id: "convo1" }, { id: "convo2" }]; let loadCalled = false;
const derived = createMockDerived({ convoList }); const requests = { loadConvoList: async () => { loadCalled = true; }, };
const declarative = new Declarative(derived, requests); const result = await declarative.ensureConvoList();
assert.deepEqual(result, convoList); assert.deepEqual(loadCalled, false); });
it("should load convo list when not in cache", async () => { const convoList = [{ id: "convo1" }]; let callCount = 0;
const derived = { $convoList: sig(() => { callCount++; return callCount > 1 ? convoList : null; }), }; const requests = { loadConvoList: async () => {}, };
const declarative = new Declarative(derived, requests); const result = await declarative.ensureConvoList();
assert.deepEqual(result, convoList); });
it("should throw when convo list not found after loading", async () => { const derived = createMockDerived({}); const requests = createMockRequests({});
const declarative = new Declarative(derived, requests);
let error = null; try { await declarative.ensureConvoList(); } catch (e) { error = e; }
assert(error !== null); assert.deepEqual(error.message, "Conversation list not found"); });});
describe("ensureConvo", () => { it("should return existing convo without loading", async () => { const convoId = "convo123"; const convo = { id: convoId, messages: [] }; let loadCalled = false;
const derived = createMockDerived({ convos: { [convoId]: convo } }); const requests = { loadConvo: async () => { loadCalled = true; }, };
const declarative = new Declarative(derived, requests); const result = await declarative.ensureConvo(convoId);
assert.deepEqual(result, convo); assert.deepEqual(loadCalled, false); });
it("should load convo when not in cache", async () => { const convoId = "convo123"; const convo = { id: convoId, messages: [] }; let callCount = 0;
const derived = { $convos: mapSig(() => { callCount++; return callCount > 1 ? convo : null; }), }; const requests = { loadConvo: async () => {}, };
const declarative = new Declarative(derived, requests); const result = await declarative.ensureConvo(convoId);
assert.deepEqual(result, convo); });
it("should throw when convo not found after loading", async () => { const derived = createMockDerived({}); const requests = createMockRequests({});
const declarative = new Declarative(derived, requests);
let error = null; try { await declarative.ensureConvo("nonexistent"); } catch (e) { error = e; }
assert(error !== null); assert.deepEqual(error.message, "Conversation not found"); });});
describe("ensureConvoForProfile", () => { it("should return existing convo for profile without loading", async () => { const profileDid = "did:test:profile"; const convo = { id: "convo123", members: [profileDid] }; let loadCalled = false;
const derived = createMockDerived({ convoForProfile: { [profileDid]: convo }, }); const requests = { loadConvoForProfile: async () => { loadCalled = true; }, };
const declarative = new Declarative(derived, requests); const result = await declarative.ensureConvoForProfile(profileDid);
assert.deepEqual(result, convo); assert.deepEqual(loadCalled, false); });
it("should load convo for profile when not in cache", async () => { const profileDid = "did:test:profile"; const convo = { id: "convo123", members: [profileDid] }; let callCount = 0;
const derived = { $convoForProfile: mapSig(() => { callCount++; return callCount > 1 ? convo : null; }), }; const requests = { loadConvoForProfile: async () => {}, };
const declarative = new Declarative(derived, requests); const result = await declarative.ensureConvoForProfile(profileDid);
assert.deepEqual(result, convo); });
it("should throw when convo for profile not found after loading", async () => { const derived = createMockDerived({}); const requests = createMockRequests({});
const declarative = new Declarative(derived, requests);
let error = null; try { await declarative.ensureConvoForProfile("did:nonexistent"); } catch (e) { error = e; }
assert(error !== null); assert.deepEqual(error.message, "Conversation not found"); });});