This commit is contained in:
Andras Schmelczer 2026-09-19 22:23:47 +01:00
commit 935387c769
4 changed files with 54 additions and 409 deletions

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@ -1,235 +0,0 @@
import { describe, it } from "node:test";
import type {
Database,
DocumentRecord,
RelativePath
} from "../persistence/database";
import { FileOperations } from "./file-operations";
import { Logger } from "../tracing/logger";
import { assertSetContainsExactly } from "../utils/assert-set-contains-exactly";
import type { FileSystemOperations } from "./filesystem-operations";
import type { TextWithCursors } from "reconcile-text";
import type { ServerConfig, ServerConfigData } from "../services/server-config";
class MockServerConfig implements Pick<ServerConfig, "getConfig"> {
public async getConfig(): Promise<ServerConfigData> {
return {
mergeableFileExtensions: ["md", "txt"],
supportedApiVersion: 1,
isAuthenticated: true
};
}
}
class MockDatabase implements Partial<Database> {
public getLatestDocumentByRelativePath(
_find: RelativePath
): DocumentRecord | undefined {
// no-op
return undefined;
}
public move(
_oldRelativePath: RelativePath,
_newRelativePath: RelativePath
): void {
// no-op
}
}
class FakeFileSystemOperations implements FileSystemOperations {
public readonly names = new Set<string>();
public async listFilesRecursively(
_root: RelativePath | undefined
): Promise<RelativePath[]> {
return ["file.md"];
}
public async read(_path: RelativePath): Promise<Uint8Array> {
throw new Error("Method not implemented.");
}
public async write(
path: RelativePath,
_content: Uint8Array
): Promise<void> {
this.names.add(path);
}
public async atomicUpdateText(
_path: RelativePath,
_updater: (current: TextWithCursors) => TextWithCursors
): Promise<string> {
throw new Error("Method not implemented.");
}
public async getFileSize(_path: RelativePath): Promise<number> {
throw new Error("Method not implemented.");
}
public async getModificationTime(_path: RelativePath): Promise<Date> {
throw new Error("Method not implemented.");
}
public async exists(path: RelativePath): Promise<boolean> {
return this.names.has(path);
}
public async createDirectory(_path: RelativePath): Promise<void> {
// this is called but irrelevant for this mock
}
public async delete(_path: RelativePath): Promise<void> {
throw new Error("Method not implemented.");
}
public async rename(
oldPath: RelativePath,
newPath: RelativePath
): Promise<void> {
this.names.delete(oldPath);
this.names.add(newPath);
}
}
describe("File operations", () => {
it("should deconflict renames", async () => {
const fileSystemOperations = new FakeFileSystemOperations();
const fileOperations = new FileOperations(
new Logger(),
new MockDatabase() as Database, // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
fileSystemOperations,
new MockServerConfig() as ServerConfig // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
);
await fileOperations.create("a", new Uint8Array());
assertSetContainsExactly(fileSystemOperations.names, "a");
await fileOperations.move("a", "b");
assertSetContainsExactly(fileSystemOperations.names, "b");
await fileOperations.create("c", new Uint8Array());
assertSetContainsExactly(fileSystemOperations.names, "b", "c");
await fileOperations.move("c", "b");
assertSetContainsExactly(fileSystemOperations.names, "b", "b (1)");
await fileOperations.create("c", new Uint8Array());
await fileOperations.move("c", "b");
assertSetContainsExactly(
fileSystemOperations.names,
"b",
"b (1)",
"b (2)"
);
});
it("should deconflict renames with file extension", async () => {
const fileSystemOperations = new FakeFileSystemOperations();
const fileOperations = new FileOperations(
new Logger(),
new MockDatabase() as Database, // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
fileSystemOperations,
new MockServerConfig() as ServerConfig // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
);
await fileOperations.create("b.md", new Uint8Array());
await fileOperations.create("c.md", new Uint8Array());
await fileOperations.move("c.md", "b.md");
assertSetContainsExactly(
fileSystemOperations.names,
"b.md",
"b (1).md"
);
await fileOperations.create("d.md", new Uint8Array());
await fileOperations.move("d.md", "b.md");
assertSetContainsExactly(
fileSystemOperations.names,
"b.md",
"b (1).md",
"b (2).md"
);
await fileOperations.create("file-23.md", new Uint8Array());
await fileOperations.create("file-23 (1).md", new Uint8Array());
await fileOperations.move("file-23.md", "file-23 (1).md");
assertSetContainsExactly(
fileSystemOperations.names,
"b.md",
"b (1).md",
"b (2).md",
"file-23 (1).md",
"file-23 (2).md"
);
});
it("should deconflict renames with paths", async () => {
const fileSystemOperations = new FakeFileSystemOperations();
const fileOperations = new FileOperations(
new Logger(),
new MockDatabase() as Database, // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
fileSystemOperations,
new MockServerConfig() as ServerConfig // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
);
await fileOperations.create("a/b.c/d", new Uint8Array());
await fileOperations.create("a/b.c/e", new Uint8Array());
await fileOperations.move("a/b.c/d", "a/b.c/e");
assertSetContainsExactly(
fileSystemOperations.names,
"a/b.c/e",
"a/b.c/e (1)"
);
});
it("should continue deconfliction from existing number in filename", async () => {
const fileSystemOperations = new FakeFileSystemOperations();
const fileOperations = new FileOperations(
new Logger(),
new MockDatabase() as Database, // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
fileSystemOperations,
new MockServerConfig() as ServerConfig // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
);
await fileOperations.create("document (5).md", new Uint8Array());
await fileOperations.create("other.md", new Uint8Array());
await fileOperations.move("other.md", "document (5).md");
assertSetContainsExactly(
fileSystemOperations.names,
"document (5).md",
"document (6).md"
);
await fileOperations.create("another.md", new Uint8Array());
await fileOperations.move("another.md", "document (5).md");
assertSetContainsExactly(
fileSystemOperations.names,
"document (5).md",
"document (6).md",
"document (7).md"
);
});
it("should handle dotfiles correctly", async () => {
const fileSystemOperations = new FakeFileSystemOperations();
const fileOperations = new FileOperations(
new Logger(),
new MockDatabase() as Database, // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
fileSystemOperations,
new MockServerConfig() as ServerConfig // eslint-disable-line @typescript-eslint/no-unsafe-type-assertion
);
await fileOperations.create(".gitignore", new Uint8Array());
await fileOperations.create("temp", new Uint8Array());
await fileOperations.move("temp", ".gitignore");
assertSetContainsExactly(
fileSystemOperations.names,
".gitignore",
".gitignore (1)"
);
await fileOperations.create(".config.json", new Uint8Array());
await fileOperations.create("temp2", new Uint8Array());
await fileOperations.move("temp2", ".config.json");
assertSetContainsExactly(
fileSystemOperations.names,
".gitignore",
".gitignore (1)",
".config.json",
".config (1).json"
);
});
});

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@ -1,170 +0,0 @@
import type { RelativePath } from "../persistence/database";
import type { FileSystemOperations } from "./filesystem-operations";
import type { Logger } from "../tracing/logger";
import { Locks } from "../utils/data-structures/locks";
import { FileNotFoundError } from "./file-not-found-error";
import type { TextWithCursors } from "reconcile-text";
/**
* Decorates `FileSystemOperations` to replace errors with `FileNotFoundError`
* if the accessed file doesn't exist. It also ensures that there's at most a
* single request in-flight for any one file through the use of locks.
*/
export class SafeFileSystemOperations implements FileSystemOperations {
private readonly locks: Locks<RelativePath>;
public constructor(
private readonly fs: FileSystemOperations,
private readonly logger: Logger
) {
this.locks = new Locks(logger);
}
public async listFilesRecursively(
root: RelativePath | undefined
): Promise<RelativePath[]> {
this.logger.debug("Listing all files");
const result = await this.fs.listFilesRecursively(root);
this.logger.debug(`Listed ${result.length} files`);
return result;
}
public async read(path: RelativePath): Promise<Uint8Array> {
this.logger.debug(`Reading file '${path}'`);
return this.safeOperation(
path,
async () =>
this.locks.withLock(path, async () => this.fs.read(path)),
"read"
);
}
public async write(path: RelativePath, content: Uint8Array): Promise<void> {
this.logger.debug(`Writing to file '${path}'`);
return this.locks.withLock(path, async () =>
this.fs.write(path, content)
);
}
public async atomicUpdateText(
path: RelativePath,
updater: (current: TextWithCursors) => TextWithCursors
): Promise<string> {
this.logger.debug(`Atomically updating file '${path}'`);
return this.safeOperation(
path,
async () =>
this.locks.withLock(path, async () =>
this.fs.atomicUpdateText(path, updater)
),
"atomicUpdateText"
);
}
public async getFileSize(path: RelativePath): Promise<number> {
// Logging this would be too noisy
return this.safeOperation(
path,
async () =>
this.locks.withLock(path, async () =>
this.fs.getFileSize(path)
),
"getFileSize"
);
}
public async exists(
path: RelativePath,
skipLock = false
): Promise<boolean> {
this.logger.debug(`Checking if file '${path}' exists`);
if (skipLock) {
return this.fs.exists(path);
} else {
return this.locks.withLock(path, async () => this.fs.exists(path));
}
}
public async createDirectory(path: RelativePath): Promise<void> {
this.logger.debug(`Creating directory '${path}'`);
return this.locks.withLock(path, async () =>
this.fs.createDirectory(path)
);
}
public async delete(path: RelativePath): Promise<void> {
this.logger.debug(`Deleting file '${path}'`);
return this.locks.withLock(path, async () => this.fs.delete(path));
}
public async rename(
oldPath: RelativePath,
newPath: RelativePath,
skipLock = false
): Promise<void> {
this.logger.debug(`Renaming file '${oldPath}' to '${newPath}'`);
return this.safeOperation(
oldPath,
async () => {
if (skipLock) {
return this.fs.rename(oldPath, newPath);
} else {
return this.locks.withLock([oldPath, newPath], async () =>
this.fs.rename(oldPath, newPath)
);
}
},
"rename"
);
}
public tryLock(path: RelativePath): boolean {
return this.locks.tryLock(path);
}
public async waitForLock(path: RelativePath): Promise<void> {
return this.locks.waitForLock(path);
}
public unlock(path: RelativePath): void {
this.locks.unlock(path);
}
public reset(): void {
this.locks.reset();
}
/**
* Decorate an operation to ensure that the file exists before running it.
* If the operation fails, it will check if the file still exists and throw
* a FileNotFoundError if it doesn't.
*/
private async safeOperation<T>(
path: RelativePath,
operation: () => Promise<T>,
operationName: string
): Promise<T> {
if (!(await this.fs.exists(path))) {
throw new FileNotFoundError(
`File not found before trying to ${operationName}`,
path
);
}
try {
return await operation();
} catch (error) {
// Without locking the file, this isn't atomic, however, it's good enough in practice.
// This will only break if the file exists, gets deleted and then immediately
// recreated while `operation` is running.
if (await this.fs.exists(path)) {
throw error;
} else {
throw new FileNotFoundError(
`File not found when trying to ${operationName}`,
path
);
}
}
}
}

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@ -134,9 +134,21 @@ describe("WebSocketManager", () => {
const mockWs = (manager as unknown as { webSocket: MockWebSocket }) const mockWs = (manager as unknown as { webSocket: MockWebSocket })
.webSocket; .webSocket;
mockWs.simulateMessage({ type: "vaultUpdate", updates: [] }); mockWs.simulateMessage({
mockWs.simulateMessage({ type: "vaultUpdate", updates: [] }); type: "vaultEvents",
mockWs.simulateMessage({ type: "vaultUpdate", updates: [] }); headEventId: 0,
events: []
});
mockWs.simulateMessage({
type: "vaultEvents",
headEventId: 0,
events: []
});
mockWs.simulateMessage({
type: "vaultEvents",
headEventId: 0,
events: []
});
await new Promise((resolve) => setTimeout(resolve, 100)); await new Promise((resolve) => setTimeout(resolve, 100));
@ -218,6 +230,31 @@ describe("WebSocketManager", () => {
assert.ok(true); assert.ok(true);
}); });
it("uses a secure URL, preserves the configured prefix, and encodes the vault", async () => {
mockSettings = {
getSettings: () => ({
remoteUri: "https://example.com/sync/",
vaultName: "team/a ?",
webSocketRetryIntervalMs: 1000
})
} as unknown as Settings;
const manager = new WebSocketManager(
deviceId,
mockLogger,
mockSettings,
MockWebSocket as unknown as typeof WebSocket
);
manager.start();
const mockWs = (manager as unknown as { webSocket: MockWebSocket })
.webSocket;
assert.strictEqual(
String(mockWs.url),
"wss://example.com/sync/vaults/team%2Fa%20%3F/ws"
);
await manager.stop();
});
it("clears old handlers on reconnection", async () => { it("clears old handlers on reconnection", async () => {
const manager = new WebSocketManager( const manager = new WebSocketManager(
deviceId, deviceId,
@ -278,7 +315,11 @@ describe("WebSocketManager", () => {
const mockWs = (manager as unknown as { webSocket: MockWebSocket }) const mockWs = (manager as unknown as { webSocket: MockWebSocket })
.webSocket; .webSocket;
mockWs.simulateMessage({ type: "vaultUpdate", updates: [] }); mockWs.simulateMessage({
type: "vaultEvents",
headEventId: 0,
events: []
});
await new Promise((resolve) => setTimeout(resolve, 10)); await new Promise((resolve) => setTimeout(resolve, 10));

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@ -0,0 +1,9 @@
import assert from "node:assert/strict";
import { it } from "node:test";
import { packageVersion } from "./package-version";
it("supports direct source imports without webpack globals", async () => {
assert.strictEqual(packageVersion, "development");
const { SyncClient } = await import("../sync-client");
assert.strictEqual(typeof SyncClient.create, "function");
});