@agoric/swing-store-simple - npm Package Compare versions

Comparing version 0.1.2 to 0.2.0

CHANGELOG.md

		@@ -6,2 +6,13 @@ # Change Log

		# [0.2.0](https://github.com/Agoric/agoric-sdk/compare/@agoric/swing-store-simple@0.1.2...@agoric/swing-store-simple@0.2.0) (2020-05-04)


		### Features

		* swing-store-simple: add isSwingStore() query ([c450459](https://github.com/Agoric/agoric-sdk/commit/c450459a92d3ecba4a106820d980683babdf8c29)), closes [#953](https://github.com/Agoric/agoric-sdk/issues/953)





		## [0.1.2](https://github.com/Agoric/agoric-sdk/compare/@agoric/swing-store-simple@0.1.2-alpha.0...@agoric/swing-store-simple@0.1.2) (2020-04-13)
		@@ -8,0 +19,0 @@

package.json

		{
		"name": "@agoric/swing-store-simple",
		"version": "0.1.2",
		"version": "0.2.0",
		"description": "Persistent storage for SwingSet, based on a Map, optionally backed by a simple JSON file",
		@@ -27,3 +27,3 @@ "main": "simpleSwingStore.js",
		},
		"gitHead": "a5fe2624fedcf3b8adf46ed6c157c29fd459b2ed"
		"gitHead": "534d1a65d79f9dd176cc670f374c9de2cd081a7e"
		}

simpleSwingStore.js

		@@ -299,1 +299,25 @@ import fs from 'fs';
		}

		/**
		* Is this directory a compatible swing store?
		*
		* @param dirPath Path to a directory in which database files might be present.
		* This directory need not actually exist
		*
		* @return boolean
		* If the directory is present and contains the files created by initSwingStore
		* or openSwingStore, returns true. Else returns false.
		*
		*/
		export function isSwingStore(dirPath) {
		if (`${dirPath}` !== dirPath) {
		throw new Error('dirPath must be a string');
		}
		if (fs.existsSync(dirPath)) {
		const storeFile = path.resolve(dirPath, 'swingset-kernel-state.jsonlines');
		if (fs.existsSync(storeFile)) {
		return true;
		}
		}
		return false;
		}

test/test-state.js

		import fs from 'fs';
		import path from 'path';

		@@ -8,2 +9,3 @@ import { test } from 'tape-promise/tape';
		getAllState,
		isSwingStore,
		} from '../simpleSwingStore';
		@@ -49,2 +51,4 @@
		test('storageInFile', t => {
		fs.rmdirSync('testdb', { recursive: true });
		t.equal(isSwingStore('testdb'), false);
		const { storage, commit, close } = initSwingStore('testdb');
		@@ -55,8 +59,20 @@ testStorage(t, storage);
		close();
		t.equal(isSwingStore('testdb'), true);

		const { storage: after } = openSwingStore('testdb');
		t.deepEqual(getAllState(after), before, 'check state after reread');
		t.equal(isSwingStore('testdb'), true);
		t.end();
		});

		test('rejectLMDB', t => {
		const notSimpleDir = 'testdb-lmdb';
		fs.mkdirSync(notSimpleDir, { recursive: true });
		fs.writeFileSync(path.resolve(notSimpleDir, 'data.mdb'), 'some data\n');
		fs.writeFileSync(path.resolve(notSimpleDir, 'lock.mdb'), 'lock stuff\n');
		t.equal(isSwingStore(notSimpleDir), false);
		t.end();
		});

		test.onFinish(() => fs.rmdirSync('testdb', { recursive: true }));
		test.onFinish(() => fs.rmdirSync('testdb-lmdb', { recursive: true }));

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