diff --git a/index.js b/index.js index 26e0983..b1230ba 100644 --- a/index.js +++ b/index.js @@ -116,7 +116,16 @@ module.exports = function (Adapter) { if (error) return error.code === 'ENOENT' ? resolve() : reject(error) - record = msgpack.decode(buffer) + if(buffer.length === 0) { + return reject(new Error(`Decode record failed. File is empty: ${filePath}`)) + } + else { + try { + record = msgpack.decode(buffer) + } catch (e) { + return reject(new Error(`Decode record failed. File is corrupt: ${filePath}`, { cause: e })) + } + } if (!(type in self.db)) self.db[type] = {} diff --git a/package.json b/package.json index 45bb4d1..8b4868c 100644 --- a/package.json +++ b/package.json @@ -11,7 +11,7 @@ "lint": "eslint index.js", "postpublish": "npm run tag", "tag": "git tag `npm v fortune-fs version` && git push origin --tags", - "test": "npm run lint && node test.js" + "test": "npm run lint && node test/test.js" }, "dependencies": { "lockfile": "^1.0.4", diff --git a/test/corrupt-file b/test/corrupt-file new file mode 100644 index 0000000..549dd39 --- /dev/null +++ b/test/corrupt-file @@ -0,0 +1 @@ +‚¢id£bar \ No newline at end of file diff --git a/test/empty-file b/test/empty-file new file mode 100644 index 0000000..e69de29 diff --git a/test/test.js b/test/test.js index 280f631..5b3016b 100644 --- a/test/test.js +++ b/test/test.js @@ -1,22 +1,80 @@ 'use strict' var testAdapter = require('fortune/test/adapter') -var fsAdapter = require('./index') +var fsAdapter = require('../index') const fortune = require('fortune') -const assert = require('node:assert/strict') +const fs = require('node:fs') +const run = require('tapdance') testAdapter(fsAdapter) -assert.doesNotThrow(() => { - const concurrentReads = 1 - const store = fortune({}, { - adapter: [fsAdapter, { concurrentReads }], - }) - assert.equal(store.adapter.options.concurrentReads, concurrentReads) -}) +run((assert, comment) => { + comment('concurrentReads validation') + + let thrown = false + + try { + const concurrentReads = 1 + const store = fortune({}, { + adapter: [fsAdapter, { concurrentReads }], + }) + assert(store.adapter.options.concurrentReads === concurrentReads, `adapter has expected concurrentReads value --- expected: ${store.adapter.options.concurrentReads} --- actual: ${concurrentReads}`) + } catch (e) { + thrown = true + console.error(e) + } + + assert(!thrown, 'concurrentReads 1 is valid') + + thrown = false + let expectedError + + try { + fortune({}, { + adapter: [fsAdapter, { concurrentReads: 0 }], + }) + } catch (e) { + thrown = true + expectedError = e.message === 'concurrentReads must be > 0' + if(!expectedError) { + // only log the error if it was something we did not expect + console.error(e) + } + } + + assert(thrown, 'concurrentReads 0 is not valid') + assert(expectedError, 'got expected error for concurrentReads 0') +}); + +(async () => { + + run(async (assert, comment) => { + comment('msgpack decode validation') + + const store = fortune( + { foo: { bar: Boolean } }, + { adapter: [fsAdapter] }) + + fs.mkdirSync('db/foo', { recursive: true }) + fs.copyFileSync('test/empty-file', 'db/foo/1') + fs.copyFileSync('test/valid-file', 'db/foo/3') + fs.copyFileSync('test/corrupt-file', 'db/foo/6') + + try { + await store.find('foo', [1]) + } catch (error) { + assert(error.message.includes('Decode record failed. File is empty'), `empty error message is present: ${error.message}`) + } + + try { + await store.find('foo', [6]) + } catch (error) { + assert(error.message.includes('Decode record failed. File is corrupt'), `corrupt error message is present ${error.message}`) + } + + const result = await store.find('foo', [3]) + assert(result.payload.records.length === 1, 'valid record is found') -assert.throws(() => { - fortune({}, { - adapter: [fsAdapter, { concurrentReads: 0 }], }) -}) + +})() diff --git a/test/valid-file b/test/valid-file new file mode 100644 index 0000000..232ca77 --- /dev/null +++ b/test/valid-file @@ -0,0 +1 @@ +‚¢id£barĂ \ No newline at end of file