Implement in-memory client store and test

Author: dmitrizagidulin

package.json

@@ -0,0 +1,48 @@
+{
+  "name": "solid-multi-rp-client",
+  "version": "0.0.1",
+  "description": "OpenID Connect client for multiple Relying Parties for Solid",
+  "main": "./src/index.js",
+  "scripts": {
+    "standard": "standard src/*",
+    "tape": "tape test/unit/*.js",
+    "test": "npm run standard && npm run tape",
+    "preversion": "npm test",
+    "postversion": "git push --follow-tags"
+  },
+  "engines": {
+    "node": ">=6.0"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/solid/solid-multi-rp-client"
+  },
+  "keywords": [
+    "solid",
+    "decentralized",
+    "web",
+    "oidc",
+    "openid",
+    "connect",
+    "authentication",
+    "linked",
+    "data"
+  ],
+  "author": {
+    "name": "Dmitri Zagidulin",
+    "url": "https://github.com/dmitrizagidulin/"
+  },
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/solid/solid-multi-rp-client/issues"
+  },
+  "homepage": "https://github.com/solid/solid-multi-rp-client",
+  "dependencies": {},
+  "devDependencies": {
+    "standard": "^5.4.1",
+    "tape": "^4.6.2"
+  },
+  "standard": {
+    "globals": []
+  }
+}

src/store.js

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+module.exports = class OIDCClientStore {
+  constructor () {
+    this.clients = {}
+  }
+  put (expressClient) {
+    return Promise.resolve()
+      .then(() => {
+        this.clients[expressClient.client.issuer] = expressClient
+      })
+  }
+  get (issuer) {
+    return Promise.resolve()
+      .then(() => {
+        if (issuer in this.clients) {
+          return this.clients[issuer]
+        } else {
+          return null
+        }
+      })
+  }
+}

test/unit/client-store-test.js

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+'use strict'
+
+const test = require('tape')
+const ClientStore = require('../../src/store')
+
+
+test('client store and retrieve test', t => {
+  let issuerUrl = 'https://oidc.example.com'
+  let store = new ClientStore()
+  let expressClient = {
+    client: {
+      issuer: issuerUrl
+    }
+  }
+  store.put(expressClient)
+    .then(() => {
+      return store.get(issuerUrl)
+    })
+    .then(retrievedClient => {
+      t.equals(retrievedClient, expressClient,
+        'Should be able to retrieve the stored client')
+      t.end()
+    })
+})