Improve testing

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Andras Schmelczer 2025-02-22 17:17:22 +00:00
parent f73b5ecb71
commit 27423bf3cd
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3 changed files with 165 additions and 63 deletions

View file

@ -4,6 +4,7 @@ import { assert } from "../utils/assert";
import { LogLevel, SyncSettings } from "sync-client"; import { LogLevel, SyncSettings } from "sync-client";
import { MockClient } from "./mock-client"; import { MockClient } from "./mock-client";
import chalk from "chalk"; import chalk from "chalk";
import { sleep } from "../utils/sleep";
export class MockAgent extends MockClient { export class MockAgent extends MockClient {
private writtenContents: Array<string> = []; private writtenContents: Array<string> = [];
@ -13,7 +14,8 @@ export class MockAgent extends MockClient {
globalFiles: Record<string, Uint8Array>, globalFiles: Record<string, Uint8Array>,
initialSettings: Partial<SyncSettings>, initialSettings: Partial<SyncSettings>,
public readonly name: string, public readonly name: string,
private readonly color: string private readonly color: string,
private readonly doDeletes: boolean
) { ) {
super(globalFiles, initialSettings); super(globalFiles, initialSettings);
} }
@ -47,31 +49,60 @@ export class MockAgent extends MockClient {
public async act(): Promise<void> { public async act(): Promise<void> {
let options: Array<() => Promise<unknown>> = [ let options: Array<() => Promise<unknown>> = [
() => () => {
this.create( const file = this.getFileName();
this.getFileName(), this.client.logger.info(`Decided to create file ${file}`);
return this.create(
file,
new TextEncoder().encode(this.getContent()) new TextEncoder().encode(this.getContent())
), );
() => },
this.client.settings.setSetting( () => {
this.client.logger.info(
`Decided to change fetchChangesUpdateIntervalMs`
);
return this.client.settings.setSetting(
"fetchChangesUpdateIntervalMs", "fetchChangesUpdateIntervalMs",
Math.random() * 1000 Math.random() * 1000
), );
() => this.client.settings.setSetting("isSyncEnabled", false), },
() => this.client.settings.setSetting("isSyncEnabled", true) () => {
this.client.logger.info(`Decided to disable sync`);
return this.client.settings.setSetting("isSyncEnabled", false);
},
() => {
this.client.logger.info(`Decided to enable sync`);
return this.client.settings.setSetting("isSyncEnabled", true);
}
]; ];
let files = await this.listAllFiles(); let files = await this.listAllFiles();
if (files.length > 0) { if (files.length > 0) {
options.push( options.push(
() => this.rename(choose(files), this.getFileName()), () => {
() => const file = choose(files);
this.atomicUpdateText(
choose(files), const newName = this.getFileName();
this.client.logger.info(
`Decided to rename file ${file} to ${newName}`
);
return this.rename(file, newName);
},
() => {
const file = choose(files);
this.client.logger.info(`Decided to update file ${file}`);
return this.atomicUpdateText(
file,
(old) => old + " " + this.getContent() (old) => old + " " + this.getContent()
) );
}
); );
if (this.doDeletes) {
options.push(() => this.delete(choose(files)));
}
} }
this.pendingActions.push(choose(options)()); this.pendingActions.push(choose(options)());
@ -91,47 +122,68 @@ export class MockAgent extends MockClient {
await Promise.all(this.pendingActions); await Promise.all(this.pendingActions);
await this.client.settings.setSetting("isSyncEnabled", true); await this.client.settings.setSetting("isSyncEnabled", true);
await this.client.syncer.applyRemoteChangesLocally(); await this.client.syncer.applyRemoteChangesLocally();
await sleep(5000);
await this.client.syncer.waitForSyncQueue();
this.client.stop(); this.client.stop();
} }
public assertFileSystemIsConsistent(): void { public assertFileSystemIsConsistent(): void {
const files = Object.keys(this.globalFiles); const globalFiles = Object.keys(this.globalFiles);
const localFiles = Object.keys(this.files); const localFiles = Object.keys(this.localFiles);
assert( const missingInGlobal = localFiles.filter(
files.length === localFiles.length, (file) => !(file in this.globalFiles)
`File count mismatch: ${files.length} != ${localFiles.length}` );
const missingInLocal = globalFiles.filter(
(file) => !(file in this.localFiles)
); );
for (const file of files) { assert(
assert( missingInGlobal.length === 0,
file in this.globalFiles, `Files missing in global files: ${missingInGlobal.join(", ")}`
`File ${file} missing in global files` );
assert(
missingInLocal.length === 0,
`Files missing in local files: ${missingInLocal.join(", ")}`
);
for (const file of globalFiles) {
const localContent = new TextDecoder().decode(
this.localFiles[file]
);
const globalContent = new TextDecoder().decode(
this.globalFiles[file]
); );
assert( assert(
new TextDecoder().decode(this.globalFiles[file]) === localContent === globalContent,
new TextDecoder().decode(this.files[file]), `Content mismatch for file ${file}: ${localContent} <> ${globalContent}`
`File ${file} content mismatch`
); );
} }
} }
public assertAllContentIsPresentOnce(): void { public assertAllContentIsPresentOnce(): void {
for (const content of this.writtenContents) { for (const content of this.writtenContents) {
const found = Object.values(this.files).filter((file) => { const found = Object.values(this.localFiles).filter((file) => {
return new TextDecoder().decode(file).includes(content); return new TextDecoder().decode(file).includes(content);
}); });
assert( if (this.doDeletes) {
found.length === 1, assert(
`Content ${content} found in ${found.length} files` found.length <= 1,
); `Content ${content} found in ${found.length} files`
);
} else {
assert(
found.length === 1,
`Content ${content} found in ${found.length} files`
);
const file = found[0]; const file = found[0];
assert( assert(
new TextDecoder().decode(file).split(content).length === 2, new TextDecoder().decode(file).split(content).length === 2,
`Content ${content} found more than once in a file` `Content ${content} found more than once in a file`
); );
}
} }
} }
} }

View file

@ -7,7 +7,7 @@ import {
import { assert } from "../utils/assert"; import { assert } from "../utils/assert";
export class MockClient implements FileSystemOperations { export class MockClient implements FileSystemOperations {
protected readonly files: Record<string, Uint8Array> = {}; protected readonly localFiles: Record<string, Uint8Array> = {};
protected client!: SyncClient; protected client!: SyncClient;
public constructor( public constructor(
@ -37,31 +37,43 @@ export class MockClient implements FileSystemOperations {
} }
public async listAllFiles(): Promise<RelativePath[]> { public async listAllFiles(): Promise<RelativePath[]> {
return Object.keys(this.files) as RelativePath[]; return Object.keys(this.localFiles) as RelativePath[];
} }
public async read(path: RelativePath): Promise<Uint8Array> { public async read(path: RelativePath): Promise<Uint8Array> {
return this.files[path]; if (!(path in this.localFiles)) {
throw new Error(`File ${path} does not exist`);
}
return this.localFiles[path];
} }
public async getFileSize(path: RelativePath): Promise<number> { public async getFileSize(path: RelativePath): Promise<number> {
return this.files[path].length; if (!(path in this.localFiles)) {
throw new Error(`File ${path} does not exist`);
}
return this.localFiles[path].length;
} }
public async getModificationTime(path: RelativePath): Promise<Date> { public async getModificationTime(path: RelativePath): Promise<Date> {
if (!(path in this.localFiles)) {
throw new Error(`File ${path} does not exist`);
}
return new Date(); return new Date();
} }
public async exists(path: RelativePath): Promise<boolean> { public async exists(path: RelativePath): Promise<boolean> {
return path in this.files; return path in this.localFiles;
} }
public async create( public async create(
path: RelativePath, path: RelativePath,
newContent: Uint8Array newContent: Uint8Array
): Promise<void> { ): Promise<void> {
if (path in this.localFiles) {
throw new Error(`File ${path} already exists`);
}
this.globalFiles[path] = newContent; this.globalFiles[path] = newContent;
this.files[path] = newContent; this.localFiles[path] = newContent;
this.client.syncer.syncLocallyCreatedFile(path, new Date()); this.client.syncer.syncLocallyCreatedFile(path, new Date());
} }
@ -71,55 +83,62 @@ export class MockClient implements FileSystemOperations {
path: RelativePath, path: RelativePath,
updater: (currentContent: string) => string updater: (currentContent: string) => string
): Promise<string> { ): Promise<string> {
const currentContent = new TextDecoder().decode(this.files[path]); if (!(path in this.localFiles)) {
throw new Error(`File ${path} does not exist`);
}
const currentContent = new TextDecoder().decode(this.localFiles[path]);
const newContent = updater(currentContent); const newContent = updater(currentContent);
const newContentUint8Array = new TextEncoder().encode(newContent); const newContentUint8Array = new TextEncoder().encode(newContent);
this.globalFiles[path] = newContentUint8Array; this.globalFiles[path] = newContentUint8Array;
this.files[path] = newContentUint8Array; this.localFiles[path] = newContentUint8Array;
this.client.syncer.syncLocallyUpdatedFile({
void this.client.syncer.syncLocallyUpdatedFile({
relativePath: path, relativePath: path,
updateTime: new Date() updateTime: new Date()
}); });
return newContent; return newContent;
} }
public async write(path: RelativePath, content: Uint8Array): Promise<void> { public async write(path: RelativePath, content: Uint8Array): Promise<void> {
this.globalFiles[path] = content; this.globalFiles[path] = content;
this.files[path] = content; this.localFiles[path] = content;
this.client.syncer.syncLocallyUpdatedFile({
void this.client.syncer.syncLocallyUpdatedFile({
relativePath: path, relativePath: path,
updateTime: new Date() updateTime: new Date()
}); });
} }
public async delete(path: RelativePath): Promise<void> { public async delete(path: RelativePath): Promise<void> {
delete this.files[path]; delete this.localFiles[path];
if (path in this.globalFiles) { if (path in this.globalFiles) {
delete this.globalFiles[path]; delete this.globalFiles[path];
} }
this.client.syncer.syncLocallyDeletedFile(path);
void this.client.syncer.syncLocallyDeletedFile(path);
} }
public async rename( public async rename(
oldPath: RelativePath, oldPath: RelativePath,
newPath: RelativePath newPath: RelativePath
): Promise<void> { ): Promise<void> {
this.files[newPath] = this.files[oldPath]; if (!(oldPath in this.localFiles)) {
delete this.files[oldPath]; throw new Error(`File ${oldPath} does not exist`);
}
this.localFiles[newPath] = this.localFiles[oldPath];
delete this.localFiles[oldPath];
if (oldPath in this.globalFiles) { if (oldPath in this.globalFiles) {
this.globalFiles[newPath] = this.files[oldPath]; this.globalFiles[newPath] = this.localFiles[oldPath];
delete this.globalFiles[oldPath]; delete this.globalFiles[oldPath];
} }
this.client.syncer.syncLocallyUpdatedFile({ void this.client.syncer.syncLocallyUpdatedFile({
oldPath, oldPath,
relativePath: newPath, relativePath: newPath,
updateTime: new Date() updateTime: new Date()
}); });
} }
public isFileEligibleForSync(path: RelativePath): boolean {
return true;
}
} }

View file

@ -5,6 +5,7 @@ import { v4 as uuidv4 } from "uuid";
const globalFiles: Record<string, Uint8Array> = {}; const globalFiles: Record<string, Uint8Array> = {};
const iterations = 100; const iterations = 100;
const doDeletes = false;
async function runTest(): Promise<void> { async function runTest(): Promise<void> {
console.info("Starting test"); console.info("Starting test");
@ -17,11 +18,41 @@ async function runTest(): Promise<void> {
}; };
const clients = [ const clients = [
new MockAgent(globalFiles, initialSettings, "agent-1", "#ff0000"), new MockAgent(
new MockAgent(globalFiles, initialSettings, "agent-2", "#00ff00"), globalFiles,
new MockAgent(globalFiles, initialSettings, "agent-3", "#0000ff"), initialSettings,
new MockAgent(globalFiles, initialSettings, "agent-4", "#ffaa00"), "agent-1",
new MockAgent(globalFiles, initialSettings, "agent-5", "#00ffaa") "#ff0000",
doDeletes
),
new MockAgent(
globalFiles,
initialSettings,
"agent-2",
"#00ff00",
doDeletes
),
new MockAgent(
globalFiles,
initialSettings,
"agent-3",
"#0000ff",
doDeletes
),
new MockAgent(
globalFiles,
initialSettings,
"agent-4",
"#ffaa00",
doDeletes
),
new MockAgent(
globalFiles,
initialSettings,
"agent-5",
"#00ffaa",
doDeletes
)
]; ];
await Promise.all(clients.map((client) => client.init())); await Promise.all(clients.map((client) => client.init()));