sundry fixes and improvements

.babelrc

@@ -0,0 +1,8 @@
+{
+  "presets": [
+    "@babel/preset-env"
+  ],
+  "plugins": [
+    "@babel/plugin-transform-runtime",
+  ]
+}

.circleci/config.yml

@@ -0,0 +1,61 @@
+# Copyright 2019 Stanford University see LICENSE file
+# CircleCI 2.0 configuration file
+
+defaults: &defaults
+  docker:
+    - image: circleci/node:10.15.3
+  working_directory: ~/sinopia_exporter
+
+version: 2
+jobs:
+  dependencies:
+    <<: *defaults
+    steps:
+      - run:
+          name: update-npm
+          command: 'sudo npm install -g npm@5'
+      - checkout
+      - restore_cache:
+          key: dependency-cache-prod-{{ checksum "package.json" }}
+      - run: npm install --only=production
+      - save_cache:
+          key: dependency-cache-prod-{{ checksum "package.json" }}
+          paths:
+            - node_modules
+      - restore_cache:
+          key: dependency-cache-ci-{{ checksum "package.json" }}
+      - run: npm install # including CI/Test dependencies
+      - save_cache:
+          key: dependency-cache-ci-{{ checksum "package.json" }}
+          paths:
+            - node_modules
+  build:
+    <<: *defaults
+    steps:
+      - checkout
+      - setup_remote_docker
+      - restore_cache:
+          key: dependency-cache-ci-{{ checksum "package.json" }}
+      - run:
+          name: Run linter (eslint)
+          command: npm run eslint
+      - run:
+          name: Setup Code Climate test-reporter
+          command: |
+            curl -L https://codeclimate.com/downloads/test-reporter/test-reporter-latest-linux-amd64 > ./cc-test-reporter
+            chmod +x ./cc-test-reporter
+      - run:
+          name: Run jest unit tests
+          command: |
+            ./cc-test-reporter before-build
+            npm run jest-ci
+            ./cc-test-reporter after-build --exit-code $?
+
+workflows:
+  version: 2
+  build:
+    jobs:
+      - dependencies
+      - build:
+          requires:
+            - dependencies

.eslintrc.js

@@ -0,0 +1,77 @@
+// Copyright 2019 Stanford University see Apache2.txt for license
+module.exports = {
+  plugins: [
+    "import",
+    "jest",
+    "security"
+  ],
+  extends: [
+    "eslint:recommended",
+    "plugin:node/recommended",
+    "plugin:import/errors",
+    "plugin:import/warnings",
+    "plugin:security/recommended",
+    "plugin:jest/recommended"
+  ],
+  env: {
+    "es6": true,
+    "jest": true,
+    "node": true
+  },
+  parserOptions: {
+    ecmaVersion: 2019,
+    sourceType: "module"
+  },
+  overrides: [
+    {
+      "files": ["src/**/*.js",
+                "__mocks__/**/*.js",
+                "__tests__/**/*.js"],
+      "rules": {
+        // Indent `case` statements within `switch` blocks
+        "indent": ["error", 2, {
+          "SwitchCase": 1
+        }],
+        // See https://github.com/mysticatea/eslint-plugin-node/blob/master/docs/rules/no-unsupported-features/es-syntax.md
+        //   rule supposedly matches ECMA version with node
+        //   we get: "Import and export declarations are not supported yet"
+        "node/no-unsupported-features/es-syntax": "off",
+        // Avoiding: "warning  Found fs.readFileSync with non literal argument ..."
+        "security/detect-non-literal-fs-filename": "off",
+        // Avoiding: "warning Found non-literal argument to RegExp Constructor"
+        "security/detect-non-literal-regexp": "off",
+        // this is a CLI tool; we DO want to send output to console
+        "no-console": "off",
+        // allow unused variables that begin with underscore
+        "no-unused-vars": [
+          "error",
+          {
+            "argsIgnorePattern": "^_"
+          }
+        ]
+      }
+    },
+    {
+      // We aren't concerned about this in our tests, see:
+      //   https://github.com/nodesecurity/eslint-plugin-security#detect-object-injection
+      //   https://github.com/nodesecurity/eslint-plugin-security/blob/master/docs/the-dangers-of-square-bracket-notation.md
+      //   https://security.stackexchange.com/questions/170648/variable-assigned-to-object-injection-sink-security-detect-object-injection
+      // specifically, the variables in square brackets do not come from user input
+      files: [
+        '__tests__/**/*.js'
+      ],
+      rules: {
+        'security/detect-object-injection': 'off',
+      }
+    },
+    {
+      // Allow skipped tests in test suite
+      files: [
+        '__tests__/**/*.js'
+      ],
+      rules: {
+        'jest/no-disabled-tests': 'off',
+      }
+    }
+  ]
+}

LICENSE

@@ -0,0 +1,52 @@
+Apache License
+
+Version 2.0, January 2004
+
+http://www.apache.org/licenses/
+
+TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+1. Definitions.
+
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+
+"Licensor" shall mean the copyright owner or entity authorized by the copyright owner that is granting the License.
+
+"Legal Entity" shall mean the union of the acting entity and all other entities that control, are controlled by, or are under common control with that entity. For the purposes of this definition, "control" means (i) the power, direct or indirect, to cause the direction or management of such entity, whether by contract or otherwise, or (ii) ownership of fifty percent (50%) or more of the outstanding shares, or (iii) beneficial ownership of such entity.
+
+"You" (or "Your") shall mean an individual or Legal Entity exercising permissions granted by this License.
+
+"Source" form shall mean the preferred form for making modifications, including but not limited to software source code, documentation source, and configuration files.
+
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+
+"Work" shall mean the work of authorship, whether in Source or Object form, made available under the License, as indicated by a copyright notice that is included in or attached to the work (an example is provided in the Appendix below).
+
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+
+"Contribution" shall mean any work of authorship, including the original version of the Work and any modifications or additions to that Work or Derivative Works thereof, that is intentionally submitted to Licensor for inclusion in the Work by the copyright owner or by an individual or Legal Entity authorized to submit on behalf of the copyright owner. For the purposes of this definition, "submitted" means any form of electronic, verbal, or written communication sent to the Licensor or its representatives, including but not limited to communication on electronic mailing lists, source code control systems, and issue tracking systems that are managed by, or on behalf of, the Licensor for the purpose of discussing and improving the Work, but excluding communication that is conspicuously marked or otherwise designated in writing by the copyright owner as "Not a Contribution."
+
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+
+2. Grant of Copyright License. Subject to the terms and conditions of this License, each Contributor hereby grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare Derivative Works of, publicly display, publicly perform, sublicense, and distribute the Work and such Derivative Works in Source or Object form.
+
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+
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+
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+    You may add Your own copyright statement to Your modifications and may provide additional or different license terms and conditions for use, reproduction, or distribution of Your modifications, or for any such Derivative Works as a whole, provided Your use, reproduction, and distribution of the Work otherwise complies with the conditions stated in this License.
+
+5. Submission of Contributions. Unless You explicitly state otherwise, any Contribution intentionally submitted for inclusion in the Work by You to the Licensor shall be under the terms and conditions of this License, without any additional terms or conditions. Notwithstanding the above, nothing herein shall supersede or modify the terms of any separate license agreement you may have executed with Licensor regarding such Contributions.
+
+6. Trademarks. This License does not grant permission to use the trade names, trademarks, service marks, or product names of the Licensor, except as required for reasonable and customary use in describing the origin of the Work and reproducing the content of the NOTICE file.
+
+7. Disclaimer of Warranty. Unless required by applicable law or agreed to in writing, Licensor provides the Work (and each Contributor provides its Contributions) on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, including, without limitation, any warranties or conditions of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. You are solely responsible for determining the appropriateness of using or redistributing the Work and assume any risks associated with Your exercise of permissions under this License.
+
+8. Limitation of Liability. In no event and under no legal theory, whether in tort (including negligence), contract, or otherwise, unless required by applicable law (such as deliberate and grossly negligent acts) or agreed to in writing, shall any Contributor be liable to You for damages, including any direct, indirect, special, incidental, or consequential damages of any character arising as a result of this License or out of the use or inability to use the Work (including but not limited to damages for loss of goodwill, work stoppage, computer failure or malfunction, or any and all other commercial damages or losses), even if such Contributor has been advised of the possibility of such damages.
+
+9. Accepting Warranty or Additional Liability. While redistributing the Work or Derivative Works thereof, You may choose to offer, and charge a fee for, acceptance of support, warranty, indemnity, or other liability obligations and/or rights consistent with this License. However, in accepting such obligations, You may act only on Your own behalf and on Your sole responsibility, not on behalf of any other Contributor, and only if You agree to indemnify, defend, and hold each Contributor harmless for any liability incurred by, or claims asserted against, such Contributor by reason of your accepting any such warranty or additional liability.

__tests__/getGroupRDF.test.js

@@ -0,0 +1,57 @@
+import config from 'config'
+import fs from 'fs'
+import * as getGroupRDF from '../src/getGroupRDF'
+import SinopiaServer from 'sinopia_server'
+
+const groupResources = { 'group1': ['resource1', 'resource2', 'resource3'] }
+const resourceContent = { 'resource1': 'resource1content', 'resource2': 'resource2content', 'resource3': 'resource3content' }
+
+const mockSinopiaClient = jest.fn()
+mockSinopiaClient.apiClient = jest.fn() // need this field present so sinopiaClient() function can set .basePath on it.
+mockSinopiaClient.getGroupWithHttpInfo = async (groupName) => { return (!groupResources[groupName] ? null : { response: { body: {contains: groupResources[groupName] } } }) }
+mockSinopiaClient.getResourceWithHttpInfo = async (groupName, resourceName) => { return (!groupResources[groupName] ? null : { response: { text: resourceContent[resourceName] } }) }
+
+jest.spyOn(SinopiaServer, 'LDPApi').mockImplementation(() => mockSinopiaClient)
+
+describe('getGroupRDF', () => {
+  describe('sinopiaClient', () => {
+    it('returns a client that is properly configured', () => {
+      expect(getGroupRDF.sinopiaClient().apiClient.basePath).toEqual(config.get('trellis.basePath'))
+    })
+  })
+
+  describe('getResourceTextFromServer', () => {
+    it('retrieves the specified resource from the server and returns the RDF as text', async () => {
+      expect(await getGroupRDF.getResourceTextFromServer('group1', 'resource2')).toEqual('resource2content')
+    })
+  })
+
+  describe('downloadAllRdfForGroup', () => {
+    it('retrieves the RDF resources for the specified group, and saves the RDF text (on file per resource, in a dated sub-directory)', async () => {
+      const dlDateLowerBound = new Date()
+      await getGroupRDF.downloadAllRdfForGroup('group1')
+      const dlDateUpperBound = new Date()
+
+      // assume we just want the latest output dir in the export base dir, since we should be the only ones writing there
+      const exportBaseDirContents = fs.readdirSync(`./${config.get('exportBasePath')}`)
+      const groupDirName = exportBaseDirContents[exportBaseDirContents.length-1]
+
+      // RDF for group exported to subdirectory with name like 'group1_2019-08-05T01:34:13.143Z'
+      const groupDirDate = new Date(/^group1_(.*)$/.exec(groupDirName)[1])
+      // .toBeGreaterThan and .toBeLessThan only work for numbers
+      expect(dlDateLowerBound < groupDirDate && groupDirDate < dlDateUpperBound).toBeTruthy()
+
+      const groupDirPath = `./${config.get('exportBasePath')}/${groupDirName}`
+      const groupDirContents = fs.readdirSync(groupDirPath)
+      expect(groupDirContents).toEqual(['complete.log', 'resource1', 'resource2', 'resource3'])
+
+      expect(fs.readFileSync(`${groupDirPath}/resource1`).toString()).toEqual('resource1content')
+      expect(fs.readFileSync(`${groupDirPath}/resource2`).toString()).toEqual('resource2content')
+      expect(fs.readFileSync(`${groupDirPath}/resource3`).toString()).toEqual('resource3content')
+      const completionLogText = fs.readFileSync(`${groupDirPath}/complete.log`).toString()
+      // completion log text should have date, should fall between group dir creation and downloadAllRdfForGroup resolving
+      const completionLogDate = new Date(/^completed export of group1 at (.*)$/.exec(completionLogText)[1])
+      expect(groupDirDate <= completionLogDate && completionLogDate <= dlDateUpperBound).toBeTruthy()
+    })
+  })
+})

bin/export

@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+
+npx babel-node src/cli/exportAndSave.js $@

config/default.json

@@ -0,0 +1,6 @@
+{
+  "trellis": {
+    "basePath": "https://trellis.sinopia.io"
+  },
+  "exportBasePath": "./exported_rdf"
+}

config/test.json

@@ -0,0 +1,6 @@
+{
+  "trellis": {
+    "basePath": "https://trellis.sinopia.test"
+  },
+  "exportBasePath": "./test_exported_rdf"
+}

package.json

@@ -1,9 +1,15 @@
 {
   "name": "sinopia_exporter",
-  "version": "0.1.0",
+  "version": "0.2.0",
   "description": "Export RDF entities from a group in Sinopia Server (Sinopia's particular configuration of trellis-ext-db)",
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "eslint": "eslint --max-warnings 5 --color -c .eslintrc.js --ext js,jsx .",
+    "eslint-fix": "eslint --max-warnings 5 --color -c .eslintrc.js --ext js,jsx --fix .",
+    "eslint-fix-single": "eslint --color -c .eslintrc.js --fix",
+    "jest-cov": "jest --colors --coverage --runInBand",
+    "jest-ci": "jest --colors --ci --coverage --runInBand",
+    "test": "jest --colors --silent --runInBand --detectOpenHandles",
+    "test-verbose": "jest --colors --runInBand"
   },
   "engines": {
     "node": "10.12.x"
@@ -26,6 +32,7 @@
     "@babel/node": "^7.5.5",
     "@babel/preset-env": "^7.5.5",
     "@babel/runtime": "^7.5.5",
+    "config": "^3.2.2",
     "sinopia_server": "^3.0.0-beta5"
   },
   "devDependencies": {