"use strict";
const test = require("node:test");
const assert = require("node:assert/strict");
const fs = require("node:fs");
const os = require("node:os");
const path = require("node:path");
const { recoverInterruptedInstall, runInstaller, sha256File } = require("../lib/install");
const { targetTripleForPlatformKey } = require("../lib/platform");
const STAGING_SUFFIX = ".__docdexd_install_staging";
const BACKUP_SUFFIX = ".__docdexd_install_backup";
function createNoopLogger() {
return {
log: () => {},
warn: () => {},
error: () => {}
};
}
async function ensureDir(dirPath) {
await fs.promises.mkdir(dirPath, { recursive: true });
}
async function writeBinary({ distDir, isWin32, bytes }) {
await ensureDir(distDir);
const binaryPath = path.join(distDir, isWin32 ? "docdexd.exe" : "docdexd");
const mcpBinaryPath = path.join(
distDir,
isWin32 ? "docdex-mcp-server.exe" : "docdex-mcp-server"
);
await fs.promises.writeFile(binaryPath, bytes);
await fs.promises.writeFile(mcpBinaryPath, bytes);
return binaryPath;
}
async function writeInstallMetadata({
distDir,
platformKey,
version,
targetTriple,
binarySha256,
repoSlug = "owner/repo"
}) {
const metadataPath = path.join(distDir, "docdexd-install.json");
const payload = {
schemaVersion: 1,
installedAt: new Date().toISOString(),
version,
repoSlug,
platformKey,
targetTriple,
binary: {
filename: "docdexd",
sha256: binarySha256
},
archive: {
name: null,
sha256: null,
source: null,
downloadUrl: null
}
};
await fs.promises.writeFile(metadataPath, `${JSON.stringify(payload, null, 2)}\n`, "utf8");
return metadataPath;
}
test("startup recovery: restores backup when install interrupted between swap steps", async (t) => {
const version = "0.0.0";
const platformKey = "linux-x64-gnu";
const targetTriple = targetTripleForPlatformKey(platformKey);
const isWin32 = false;
const tmpRoot = fs.mkdtempSync(path.join(os.tmpdir(), "docdex-installer-recovery-restore-"));
t.after(async () => {
await fs.promises.rm(tmpRoot, { recursive: true, force: true });
});
const distBaseDir = path.join(tmpRoot, "dist");
const distDir = path.join(distBaseDir, platformKey);
const backupDir = `${distDir}${BACKUP_SUFFIX}`;
const stagingDir = `${distDir}${STAGING_SUFFIX}`;
const backupBinaryPath = await writeBinary({ distDir: backupDir, isWin32, bytes: "known-good\n" });
const backupSha = await sha256File(backupBinaryPath);
await writeInstallMetadata({ distDir: backupDir, platformKey, version, targetTriple, binarySha256: backupSha });
await ensureDir(stagingDir);
await fs.promises.writeFile(path.join(stagingDir, "docdexd"), "partial\n");
assert.ok(!fs.existsSync(distDir));
let planCalls = 0;
let downloadCalls = 0;
const result = await runInstaller({
logger: createNoopLogger(),
platform: "linux",
arch: "x64",
distBaseDir,
detectPlatformKeyFn: () => platformKey,
targetTripleForPlatformKeyFn: () => targetTriple,
getVersionFn: () => version,
parseRepoSlugFn: () => {
throw new Error("unexpected repo slug resolution");
},
resolveInstallerDownloadPlanFn: async () => {
planCalls += 1;
throw new Error("unexpected plan resolution");
},
downloadFn: async () => {
downloadCalls += 1;
throw new Error("unexpected download");
}
});
assert.equal(result.outcome, "no-op");
assert.equal(planCalls, 0);
assert.equal(downloadCalls, 0);
assert.ok(fs.existsSync(path.join(distDir, "docdexd")));
assert.ok(!fs.existsSync(backupDir));
assert.ok(!fs.existsSync(stagingDir));
});
test("installer rollback: keeps previous install runnable when extract fails", async (t) => {
const base = "https://example.test/releases/download";
const expectedVersion = "0.0.2";
const installedVersion = "0.0.1";
const platformKey = "linux-x64-gnu";
const targetTriple = targetTripleForPlatformKey(platformKey);
const isWin32 = false;
const tmpRoot = fs.mkdtempSync(path.join(os.tmpdir(), "docdex-installer-rollback-extract-"));
t.after(async () => {
await fs.promises.rm(tmpRoot, { recursive: true, force: true });
});
const distBaseDir = path.join(tmpRoot, "dist");
const distDir = path.join(distBaseDir, platformKey);
const tmpDir = path.join(tmpRoot, "tmp");
await ensureDir(tmpDir);
const oldBinaryPath = await writeBinary({ distDir, isWin32, bytes: "old-binary\n" });
const oldSha = await sha256File(oldBinaryPath);
await writeInstallMetadata({
distDir,
platformKey,
version: installedVersion,
targetTriple,
binarySha256: oldSha
});
const archive = "docdexd-linux-x64-gnu.tar.gz";
let downloadDest = null;
let extractedTo = null;
await assert.rejects(
runInstaller({
logger: createNoopLogger(),
platform: "linux",
arch: "x64",
tmpDir,
distBaseDir,
detectPlatformKeyFn: () => platformKey,
targetTripleForPlatformKeyFn: () => targetTriple,
getVersionFn: () => expectedVersion,
parseRepoSlugFn: () => "owner/repo",
getDownloadBaseFn: () => base,
resolveInstallerDownloadPlanFn: async () => ({
archive,
expectedSha256: null,
source: "fallback",
manifestAttempt: { errors: [], resolved: null, manifestName: null }
}),
downloadFn: async (_url, dest) => {
downloadDest = dest;
await ensureDir(path.dirname(dest));
await fs.promises.writeFile(dest, "fake-archive-bytes");
},
verifyDownloadedFileIntegrityFn: async () => null,
extractTarballFn: async (_archivePath, targetDir) => {
extractedTo = targetDir;
await ensureDir(targetDir);
await fs.promises.writeFile(path.join(targetDir, "docdexd"), "partial\n");
await fs.promises.writeFile(path.join(targetDir, "docdex-mcp-server"), "partial\n");
throw new Error("extract failed");
}
}),
/extract failed/
);
assert.equal(await fs.promises.readFile(oldBinaryPath, "utf8"), "old-binary\n");
assert.ok(downloadDest, "expected a download destination to be used");
assert.ok(!fs.existsSync(downloadDest), "expected downloaded archive to be cleaned up");
assert.ok(extractedTo, "expected extract to be attempted");
assert.ok(!fs.existsSync(extractedTo), "expected staging directory to be cleaned up");
assert.ok(!fs.existsSync(`${distDir}${BACKUP_SUFFIX}`), "expected backup directory to not be left behind on failure");
});
test("startup recovery: removes leftover backup after successful swap", async (t) => {
const platformKey = "linux-x64-gnu";
const targetTriple = targetTripleForPlatformKey(platformKey);
const version = "0.0.0";
const isWin32 = false;
const tmpRoot = fs.mkdtempSync(path.join(os.tmpdir(), "docdex-installer-recovery-cleanup-"));
t.after(async () => {
await fs.promises.rm(tmpRoot, { recursive: true, force: true });
});
const distBaseDir = path.join(tmpRoot, "dist");
const distDir = path.join(distBaseDir, platformKey);
const backupDir = `${distDir}${BACKUP_SUFFIX}`;
const binaryPath = await writeBinary({ distDir, isWin32, bytes: "current\n" });
const sha = await sha256File(binaryPath);
await writeInstallMetadata({ distDir, platformKey, version, targetTriple, binarySha256: sha });
await writeBinary({ distDir: backupDir, isWin32, bytes: "old\n" });
await recoverInterruptedInstall({ fsModule: fs, pathModule: path, distDir, isWin32, logger: null });
assert.ok(!fs.existsSync(backupDir));
});
