From 4780f825b1bfb33f03c60133f293b122b8b43be4 Mon Sep 17 00:00:00 2001 From: bitpshr Date: Thu, 12 Apr 2018 23:26:50 -0400 Subject: [PATCH 1/2] Add ComposableObservableStore for subscription management --- app/scripts/lib/ComposableObservableStore.js | 49 ++ app/scripts/metamask-controller.js | 106 +-- package-lock.json | 705 ++++++++++++++----- package.json | 2 +- test/setup.js | 5 + 5 files changed, 602 insertions(+), 265 deletions(-) create mode 100644 app/scripts/lib/ComposableObservableStore.js create mode 100644 test/setup.js diff --git a/app/scripts/lib/ComposableObservableStore.js b/app/scripts/lib/ComposableObservableStore.js new file mode 100644 index 000000000..688594b6d --- /dev/null +++ b/app/scripts/lib/ComposableObservableStore.js @@ -0,0 +1,49 @@ +const ObservableStore = require('obs-store') + +/** + * An ObservableStore that can composes a flat + * structure of child stores based on configuration + */ +class ComposableObservableStore extends ObservableStore { + /** + * Create a new store + * + * @param {Object} [initState] - The initial store state + * @param {Object} [config] - Map of internal state keys to child stores + */ + constructor (initState, config) { + super() + this.updateStructure(config) + } + + /** + * Composes a new internal store subscription structure + * + * @param {Object} [config] - Map of internal state keys to child stores + */ + updateStructure (config) { + this.config = config + this.removeAllListeners() + for (const key in config) { + config[key].subscribe((state) => { + this.updateState({ [key]: state }) + }) + } + } + + /** + * Merges all child store state into a single object rather than + * returning an object keyed by child store class name + * + * @returns {Object} - Object containing merged child store state + */ + getFlatState () { + let flatState = {} + for (const key in this.config) { + flatState = { ...flatState, ...this.config[key].getState() } + } + return flatState + } +} + +module.exports = ComposableObservableStore diff --git a/app/scripts/metamask-controller.js b/app/scripts/metamask-controller.js index b96acc9da..fa7890c50 100644 --- a/app/scripts/metamask-controller.js +++ b/app/scripts/metamask-controller.js @@ -5,10 +5,10 @@ */ const EventEmitter = require('events') -const extend = require('xtend') const pump = require('pump') const Dnode = require('dnode') const ObservableStore = require('obs-store') +const ComposableObservableStore = require('./lib/ComposableObservableStore') const asStream = require('obs-store/lib/asStream') const AccountTracker = require('./lib/account-tracker') const RpcEngine = require('json-rpc-engine') @@ -65,7 +65,7 @@ module.exports = class MetamaskController extends EventEmitter { this.platform = opts.platform // observable state store - this.store = new ObservableStore(initState) + this.store = new ComposableObservableStore(initState) // lock to ensure only one vault created at once this.createVaultMutex = new Mutex() @@ -184,53 +184,36 @@ module.exports = class MetamaskController extends EventEmitter { this.typedMessageManager = new TypedMessageManager() this.publicConfigStore = this.initPublicConfigStore() - // manual disk state subscriptions - this.txController.store.subscribe((state) => { - this.store.updateState({ TransactionController: state }) - }) - this.keyringController.store.subscribe((state) => { - this.store.updateState({ KeyringController: state }) - }) - this.preferencesController.store.subscribe((state) => { - this.store.updateState({ PreferencesController: state }) - }) - this.addressBookController.store.subscribe((state) => { - this.store.updateState({ AddressBookController: state }) - }) - this.currencyController.store.subscribe((state) => { - this.store.updateState({ CurrencyController: state }) - }) - this.noticeController.store.subscribe((state) => { - this.store.updateState({ NoticeController: state }) - }) - this.shapeshiftController.store.subscribe((state) => { - this.store.updateState({ ShapeShiftController: state }) - }) - this.networkController.store.subscribe((state) => { - this.store.updateState({ NetworkController: state }) + this.store.updateStructure({ + TransactionController: this.txController.store, + KeyringController: this.keyringController.store, + PreferencesController: this.preferencesController.store, + AddressBookController: this.addressBookController.store, + CurrencyController: this.currencyController.store, + NoticeController: this.noticeController.store, + ShapeShiftController: this.shapeshiftController.store, + NetworkController: this.networkController.store, + InfuraController: this.infuraController.store, }) - this.infuraController.store.subscribe((state) => { - this.store.updateState({ InfuraController: state }) + this.memStore = new ComposableObservableStore(null, { + NetworkController: this.networkController.store, + AccountTracker: this.accountTracker.store, + TxController: this.txController.memStore, + BalancesController: this.balancesController.store, + MessageManager: this.messageManager.memStore, + PersonalMessageManager: this.personalMessageManager.memStore, + TypesMessageManager: this.typedMessageManager.memStore, + KeyringController: this.keyringController.memStore, + PreferencesController: this.preferencesController.store, + RecentBlocksController: this.recentBlocksController.store, + AddressBookController: this.addressBookController.store, + CurrencyController: this.currencyController.store, + NoticeController: this.noticeController.memStore, + ShapeshiftController: this.shapeshiftController.store, + InfuraController: this.infuraController.store, }) - - // manual mem state subscriptions - const sendUpdate = this.sendUpdate.bind(this) - this.networkController.store.subscribe(sendUpdate) - this.accountTracker.store.subscribe(sendUpdate) - this.txController.memStore.subscribe(sendUpdate) - this.balancesController.store.subscribe(sendUpdate) - this.messageManager.memStore.subscribe(sendUpdate) - this.personalMessageManager.memStore.subscribe(sendUpdate) - this.typedMessageManager.memStore.subscribe(sendUpdate) - this.keyringController.memStore.subscribe(sendUpdate) - this.preferencesController.store.subscribe(sendUpdate) - this.recentBlocksController.store.subscribe(sendUpdate) - this.addressBookController.store.subscribe(sendUpdate) - this.currencyController.store.subscribe(sendUpdate) - this.noticeController.memStore.subscribe(sendUpdate) - this.shapeshiftController.store.subscribe(sendUpdate) - this.infuraController.store.subscribe(sendUpdate) + this.memStore.subscribe(this.sendUpdate.bind(this)) } /** @@ -308,33 +291,16 @@ module.exports = class MetamaskController extends EventEmitter { const vault = this.keyringController.store.getState().vault const isInitialized = (!!wallet || !!vault) - return extend( - { - isInitialized, - }, - this.networkController.store.getState(), - this.accountTracker.store.getState(), - this.txController.memStore.getState(), - this.messageManager.memStore.getState(), - this.personalMessageManager.memStore.getState(), - this.typedMessageManager.memStore.getState(), - this.keyringController.memStore.getState(), - this.balancesController.store.getState(), - this.preferencesController.store.getState(), - this.addressBookController.store.getState(), - this.currencyController.store.getState(), - this.noticeController.memStore.getState(), - this.infuraController.store.getState(), - this.recentBlocksController.store.getState(), - // config manager - this.configManager.getConfig(), - this.shapeshiftController.store.getState(), - { + return { + ...{ isInitialized }, + ...this.memStore.getFlatState(), + ...this.configManager.getConfig(), + ...{ lostAccounts: this.configManager.getLostAccounts(), seedWords: this.configManager.getSeedWords(), forgottenPassword: this.configManager.getPasswordForgotten(), - } - ) + }, + } } /** diff --git a/package-lock.json b/package-lock.json index e29355da5..8b6ffe453 100644 --- a/package-lock.json +++ b/package-lock.json @@ -645,7 +645,7 @@ "resolved": "https://registry.npmjs.org/arr-filter/-/arr-filter-1.1.2.tgz", "integrity": "sha1-Q/3d0JHo7xGqTEXZzcGOLf8XEe4=", "requires": { - "make-iterator": "1.0.0" + "make-iterator": "1.0.1" } }, "arr-flatten": { @@ -658,7 +658,7 @@ "resolved": "https://registry.npmjs.org/arr-map/-/arr-map-2.0.2.tgz", "integrity": "sha1-Onc0X/wc814qkYJWAfnljy4kysQ=", "requires": { - "make-iterator": "1.0.0" + "make-iterator": "1.0.1" } }, "arr-union": { @@ -3362,7 +3362,7 @@ "requires": { "arr-map": "2.0.2", "for-own": "1.0.0", - "make-iterator": "1.0.0" + "make-iterator": "1.0.1" }, "dependencies": { "for-own": { @@ -5915,6 +5915,61 @@ } } }, + "ethjs": { + "version": "0.2.9", + "resolved": "https://registry.npmjs.org/ethjs/-/ethjs-0.2.9.tgz", + "integrity": "sha1-yagNR7ydVg9Z53gEnSIlXlgfMSs=", + "requires": { + "bn.js": "4.11.6", + "ethjs-abi": "0.2.0", + "ethjs-contract": "0.1.9", + "ethjs-filter": "0.1.5", + "ethjs-provider-http": 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"https://registry.npmjs.org/ethjs-util/-/ethjs-util-0.1.3.tgz", + "integrity": "sha1-39XqSkANxeQhqInK9H4IGtp4u1U=", + "requires": { + "is-hex-prefixed": "1.0.0", + "strip-hex-prefix": "1.0.0" + } + } + } + }, "ethjs-format": { "version": "0.2.2", "resolved": "https://registry.npmjs.org/ethjs-format/-/ethjs-format-0.2.2.tgz", @@ -5952,6 +6007,11 @@ "version": "0.1.5", "resolved": "https://registry.npmjs.org/ethjs-schema/-/ethjs-schema-0.1.5.tgz", "integrity": "sha1-WXQOOzl3vNu5sRvDBoIB6Kzquw0=" + }, + "js-sha3": { + "version": "0.5.5", + "resolved": "https://registry.npmjs.org/js-sha3/-/js-sha3-0.5.5.tgz", + "integrity": "sha1-uvDA6MVK1ZA0R9+Wreekobynmko=" } } }, @@ -6134,16 +6194,16 @@ "integrity": "sha1-x7kULEtZUJsziiBLYyiupA3Txk4=" }, "ethjs": { - "version": "0.2.9", - "resolved": "https://registry.npmjs.org/ethjs/-/ethjs-0.2.9.tgz", - "integrity": "sha1-yagNR7ydVg9Z53gEnSIlXlgfMSs=", + "version": "0.3.6", + "resolved": "https://registry.npmjs.org/ethjs/-/ethjs-0.3.6.tgz", + 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"version": "1.0.2", + "resolved": "https://registry.npmjs.org/regex-not/-/regex-not-1.0.2.tgz", + "integrity": "sha512-J6SDjUgDxQj5NusnOtdFxDwN/+HWykR8GELwctJ7mdqhcyy1xEc4SRFHUXvxTp661YaVKAjfRLZ9cCqS6tn32A==", + "requires": { + "extend-shallow": "3.0.2", + "safe-regex": "1.1.0" + } + } } } } @@ -14435,9 +14744,9 @@ } }, "metamask-logo": { - "version": "2.1.3", - "resolved": "https://registry.npmjs.org/metamask-logo/-/metamask-logo-2.1.3.tgz", - "integrity": "sha1-F1zleuUMc0Szsdwy0v0LCOOXj9A=", + "version": "2.1.4", + "resolved": "https://registry.npmjs.org/metamask-logo/-/metamask-logo-2.1.4.tgz", + "integrity": "sha512-hg/FzMfijpzGgLdZWH+KJKS56cRYaMEwcOq8UcnL/MznpgK4OMlJEaIfO8lg7P2F4Z74Ki+ulrTrFW6jf9L2bw==", "requires": { "gl-mat4": "1.1.4", "gl-vec3": "1.0.3" @@ -14863,7 +15172,6 @@ "version": "1.2.9", "resolved": "https://registry.npmjs.org/nanomatch/-/nanomatch-1.2.9.tgz", "integrity": "sha512-n8R9bS8yQ6eSXaV6jHUpKzD8gLsin02w1HSFiegwrs9E098Ylhw5jdyKPaYqvHknHaSCKTPp7C8dGCQ0q9koXA==", - "dev": true, "requires": { "arr-diff": "4.0.0", "array-unique": "0.3.2", @@ -14882,20 +15190,17 @@ "arr-diff": { "version": "4.0.0", "resolved": "https://registry.npmjs.org/arr-diff/-/arr-diff-4.0.0.tgz", - "integrity": "sha1-1kYQdP6/7HHn4VI1dhoyml3HxSA=", - "dev": true + "integrity": "sha1-1kYQdP6/7HHn4VI1dhoyml3HxSA=" }, "array-unique": { "version": "0.3.2", "resolved": "https://registry.npmjs.org/array-unique/-/array-unique-0.3.2.tgz", - "integrity": "sha1-qJS3XUvE9s1nnvMkSp/Y9Gri1Cg=", - "dev": true + "integrity": "sha1-qJS3XUvE9s1nnvMkSp/Y9Gri1Cg=" }, "define-property": { "version": "2.0.2", "resolved": "https://registry.npmjs.org/define-property/-/define-property-2.0.2.tgz", "integrity": "sha512-jwK2UV4cnPpbcG7+VRARKTZPUWowwXA8bzH5NP6ud0oeAxyYPuGZUAC7hMugpCdz4BeSZl2Dl9k66CHJ/46ZYQ==", - "dev": true, "requires": { "is-descriptor": "1.0.2", "isobject": "3.0.1" @@ -14905,7 +15210,6 @@ "version": "3.0.2", "resolved": "https://registry.npmjs.org/extend-shallow/-/extend-shallow-3.0.2.tgz", "integrity": "sha1-Jqcarwc7OfshJxcnRhMcJwQCjbg=", - "dev": true, "requires": { "assign-symbols": "1.0.0", "is-extendable": "1.0.1" @@ -14915,7 +15219,6 @@ "version": "1.0.1", "resolved": "https://registry.npmjs.org/is-extendable/-/is-extendable-1.0.1.tgz", "integrity": "sha512-arnXMxT1hhoKo9k1LZdmlNyJdDDfy2v0fXjFlmok4+i8ul/6WlbVge9bhM74OpNPQPMGUToDtz+KXa1PneJxOA==", - "dev": true, "requires": { "is-plain-object": "2.0.4" } @@ -14923,14 +15226,12 @@ "isobject": { "version": "3.0.1", "resolved": "https://registry.npmjs.org/isobject/-/isobject-3.0.1.tgz", - "integrity": "sha1-TkMekrEalzFjaqH5yNHMvP2reN8=", - "dev": true + "integrity": "sha1-TkMekrEalzFjaqH5yNHMvP2reN8=" }, "kind-of": { "version": "6.0.2", "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-6.0.2.tgz", - "integrity": "sha512-s5kLOcnH0XqDO+FvuaLX8DDjZ18CGFk7VygH40QoKPUQhW4e2rvM0rwUq0t8IQDOwYSeLK01U90OjzBTme2QqA==", - "dev": true + "integrity": "sha512-s5kLOcnH0XqDO+FvuaLX8DDjZ18CGFk7VygH40QoKPUQhW4e2rvM0rwUq0t8IQDOwYSeLK01U90OjzBTme2QqA==" } } }, @@ -15182,6 +15483,7 @@ "version": "4.7.2", "resolved": "https://registry.npmjs.org/node-sass/-/node-sass-4.7.2.tgz", "integrity": "sha512-CaV+wLqZ7//Jdom5aUFCpGNoECd7BbNhjuwdsX/LkXBrHl8eb1Wjw4HvWqcFvhr5KuNgAk8i/myf/MQ1YYeroA==", + "dev": true, "requires": { "async-foreach": "0.1.3", "chalk": "1.1.3", @@ -15207,17 +15509,20 @@ "assert-plus": { "version": "0.2.0", "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-0.2.0.tgz", - "integrity": "sha1-104bh+ev/A24qttwIfP+SBAasjQ=" + "integrity": "sha1-104bh+ev/A24qttwIfP+SBAasjQ=", + "dev": true }, "aws-sign2": { "version": "0.6.0", "resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.6.0.tgz", - "integrity": "sha1-FDQt0428yU0OW4fXY81jYSwOeU8=" + "integrity": "sha1-FDQt0428yU0OW4fXY81jYSwOeU8=", + "dev": true }, "boom": { "version": "2.10.1", "resolved": "https://registry.npmjs.org/boom/-/boom-2.10.1.tgz", "integrity": "sha1-OciRjO/1eZ+D+UkqhI9iWt0Mdm8=", + "dev": true, "requires": { "hoek": "2.16.3" } @@ -15225,12 +15530,14 @@ "caseless": { "version": "0.11.0", "resolved": "https://registry.npmjs.org/caseless/-/caseless-0.11.0.tgz", - "integrity": "sha1-cVuW6phBWTzDMGeSP17GDr2k99c=" + "integrity": "sha1-cVuW6phBWTzDMGeSP17GDr2k99c=", + "dev": true }, "cross-spawn": { "version": "3.0.1", "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-3.0.1.tgz", "integrity": "sha1-ElYDfsufDF9549bvE14wdwGEuYI=", + "dev": true, "requires": { "lru-cache": "4.1.1", "which": "1.3.0" @@ -15240,6 +15547,7 @@ "version": "2.0.5", "resolved": "https://registry.npmjs.org/cryptiles/-/cryptiles-2.0.5.tgz", "integrity": "sha1-O9/s3GCBR8HGcgL6KR59ylnqo7g=", + "dev": true, "requires": { "boom": "2.10.1" } @@ -15248,6 +15556,7 @@ "version": "2.1.4", "resolved": "https://registry.npmjs.org/form-data/-/form-data-2.1.4.tgz", "integrity": "sha1-M8GDrPGTJ27KqYFDpp6Uv+4XUNE=", + "dev": true, "requires": { "asynckit": "0.4.0", "combined-stream": "1.0.5", @@ -15257,12 +15566,14 @@ "get-stdin": { "version": "4.0.1", "resolved": "https://registry.npmjs.org/get-stdin/-/get-stdin-4.0.1.tgz", - "integrity": "sha1-uWjGsKBDhDJJAui/Gl3zJXmkUP4=" + "integrity": "sha1-uWjGsKBDhDJJAui/Gl3zJXmkUP4=", + "dev": true }, "har-validator": { "version": "2.0.6", "resolved": "https://registry.npmjs.org/har-validator/-/har-validator-2.0.6.tgz", "integrity": "sha1-zcvAgYgmWtEZtqWnyKtw7s+10n0=", + "dev": true, "requires": { "chalk": "1.1.3", "commander": "2.11.0", @@ -15274,6 +15585,7 @@ "version": "3.1.3", "resolved": "https://registry.npmjs.org/hawk/-/hawk-3.1.3.tgz", "integrity": "sha1-B4REvXwWQLD+VA0sm3PVlnjo4cQ=", + "dev": true, "requires": { "boom": "2.10.1", "cryptiles": "2.0.5", @@ -15284,12 +15596,14 @@ "hoek": { "version": "2.16.3", "resolved": "https://registry.npmjs.org/hoek/-/hoek-2.16.3.tgz", - "integrity": "sha1-ILt0A9POo5jpHcRxCo/xuCdKJe0=" + "integrity": "sha1-ILt0A9POo5jpHcRxCo/xuCdKJe0=", + "dev": true }, "http-signature": { "version": "1.1.1", "resolved": "https://registry.npmjs.org/http-signature/-/http-signature-1.1.1.tgz", "integrity": "sha1-33LiZwZs0Kxn+3at+OE0qPvPkb8=", + "dev": true, "requires": { "assert-plus": "0.2.0", "jsprim": "1.4.1", @@ -15299,12 +15613,14 @@ "qs": { "version": "6.3.2", "resolved": "https://registry.npmjs.org/qs/-/qs-6.3.2.tgz", - "integrity": "sha1-51vV9uJoEioqDgvaYwslUMFmUCw=" + "integrity": "sha1-51vV9uJoEioqDgvaYwslUMFmUCw=", + "dev": true }, "request": { "version": "2.79.0", "resolved": "https://registry.npmjs.org/request/-/request-2.79.0.tgz", "integrity": "sha1-Tf5b9r6LjNw3/Pk+BLZVd3InEN4=", + "dev": true, "requires": { "aws-sign2": "0.6.0", "aws4": "1.6.0", @@ -15332,6 +15648,7 @@ "version": "1.0.9", "resolved": "https://registry.npmjs.org/sntp/-/sntp-1.0.9.tgz", "integrity": "sha1-ZUEYTMkK7qbG57NeJlkIJEPGYZg=", + "dev": true, "requires": { "hoek": "2.16.3" } @@ -15339,12 +15656,14 @@ "tunnel-agent": { "version": "0.4.3", "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.4.3.tgz", - "integrity": "sha1-Y3PbdpCf5XDgjXNYM2Xtgop07us=" + "integrity": "sha1-Y3PbdpCf5XDgjXNYM2Xtgop07us=", + "dev": true }, "uuid": { "version": "3.2.1", "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.2.1.tgz", - "integrity": "sha512-jZnMwlb9Iku/O3smGWvZhauCf6cvvpKi4BKRiliS3cxnI+Gz9j5MEpTz2UFuXiKPJocb7gnsLHwiS05ige5BEA==" + "integrity": "sha512-jZnMwlb9Iku/O3smGWvZhauCf6cvvpKi4BKRiliS3cxnI+Gz9j5MEpTz2UFuXiKPJocb7gnsLHwiS05ige5BEA==", + "dev": true } } }, @@ -17553,7 +17872,7 @@ "integrity": "sha1-z4Plncj8wK1fQlDh94s7gb2AHTc=", "requires": { "for-own": "1.0.0", - "make-iterator": "1.0.0" + "make-iterator": "1.0.1" }, "dependencies": { "for-own": { @@ -17596,7 +17915,7 @@ "integrity": "sha1-b+NI8qx/oPlcpiEiZZkJaCW7A60=", "requires": { "for-own": "1.0.0", - "make-iterator": "1.0.0" + "make-iterator": "1.0.1" }, "dependencies": { "for-own": { @@ -20157,8 +20476,7 @@ "ret": { "version": "0.1.15", "resolved": "https://registry.npmjs.org/ret/-/ret-0.1.15.tgz", - "integrity": "sha512-TTlYpa+OL+vMMNG24xSlQGEJ3B/RzEfUlLct7b5G/ytav+wPrplCpVMFuwzXbkecJrb6IYo1iFb0S9v37754mg==", - "dev": true + "integrity": "sha512-TTlYpa+OL+vMMNG24xSlQGEJ3B/RzEfUlLct7b5G/ytav+wPrplCpVMFuwzXbkecJrb6IYo1iFb0S9v37754mg==" }, "revalidator": { "version": "0.1.8", @@ -20258,7 +20576,6 @@ "version": "1.1.0", "resolved": "https://registry.npmjs.org/safe-regex/-/safe-regex-1.1.0.tgz", "integrity": "sha1-QKNmnzsHfR6UPURinhV91IAjvy4=", - "dev": true, "requires": { "ret": "0.1.15" } diff --git a/package.json b/package.json index d3cae3e15..057d3cb18 100644 --- a/package.json +++ b/package.json @@ -8,7 +8,7 @@ "mascara": "gulp dev:mascara & node ./mascara/example/server", "dist": "gulp dist", "test": "npm run test:unit && npm run test:integration && npm run lint", - "test:unit": "cross-env METAMASK_ENV=test mocha --exit --require babel-core/register --require test/helper.js --recursive \"test/unit/**/*.js\"", + "test:unit": "cross-env METAMASK_ENV=test mocha --exit --require test/setup.js --recursive \"test/unit/**/*.js\"", "test:single": "cross-env METAMASK_ENV=test mocha --require test/helper.js", "test:integration": "npm run test:integration:build && npm run test:flat && npm run test:mascara", "test:integration:build": "gulp build:scss", diff --git a/test/setup.js b/test/setup.js new file mode 100644 index 000000000..8e7965a37 --- /dev/null +++ b/test/setup.js @@ -0,0 +1,5 @@ +require('babel-register')({ + ignore: name => name.includes('node_modules') && !name.includes('obs-store'), +}) + +require('./helper') From 8974f933fc97a37f5cd8dcd510ff0e6dc21d6751 Mon Sep 17 00:00:00 2001 From: bitpshr Date: Fri, 13 Apr 2018 13:13:36 -0400 Subject: [PATCH 2/2] Add tests for ComposableObservableStore --- app/scripts/lib/ComposableObservableStore.js | 22 ++++++------ test/unit/ComposableObservableStore.js | 35 ++++++++++++++++++++ 2 files changed, 46 insertions(+), 11 deletions(-) create mode 100644 test/unit/ComposableObservableStore.js diff --git a/app/scripts/lib/ComposableObservableStore.js b/app/scripts/lib/ComposableObservableStore.js index 688594b6d..d5ee708a1 100644 --- a/app/scripts/lib/ComposableObservableStore.js +++ b/app/scripts/lib/ComposableObservableStore.js @@ -11,24 +11,24 @@ class ComposableObservableStore extends ObservableStore { * @param {Object} [initState] - The initial store state * @param {Object} [config] - Map of internal state keys to child stores */ - constructor (initState, config) { - super() - this.updateStructure(config) - } + constructor (initState, config) { + super(initState) + this.updateStructure(config) + } /** * Composes a new internal store subscription structure * * @param {Object} [config] - Map of internal state keys to child stores */ - updateStructure (config) { + updateStructure (config) { this.config = config - this.removeAllListeners() - for (const key in config) { - config[key].subscribe((state) => { - this.updateState({ [key]: state }) - }) - } + this.removeAllListeners() + for (const key in config) { + config[key].subscribe((state) => { + this.updateState({ [key]: state }) + }) + } } /** diff --git a/test/unit/ComposableObservableStore.js b/test/unit/ComposableObservableStore.js new file mode 100644 index 000000000..3fba200c1 --- /dev/null +++ b/test/unit/ComposableObservableStore.js @@ -0,0 +1,35 @@ +const assert = require('assert') +const ComposableObservableStore = require('../../app/scripts/lib/ComposableObservableStore') +const ObservableStore = require('obs-store') + +describe('ComposableObservableStore', () => { + it('should register initial state', () => { + const store = new ComposableObservableStore('state') + assert.strictEqual(store.getState(), 'state') + }) + + it('should register initial structure', () => { + const testStore = new ObservableStore() + const store = new ComposableObservableStore(null, { TestStore: testStore }) + testStore.putState('state') + assert.deepEqual(store.getState(), { TestStore: 'state' }) + }) + + it('should update structure', () => { + const testStore = new ObservableStore() + const store = new ComposableObservableStore() + store.updateStructure({ TestStore: testStore }) + testStore.putState('state') + assert.deepEqual(store.getState(), { TestStore: 'state' }) + }) + + it('should return flattened state', () => { + const fooStore = new ObservableStore({ foo: 'foo' }) + const barStore = new ObservableStore({ bar: 'bar' }) + const store = new ComposableObservableStore(null, { + FooStore: fooStore, + BarStore: barStore, + }) + assert.deepEqual(store.getFlatState(), { foo: 'foo', bar: 'bar' }) + }) +})