Hook schema validation in CI

.gitignore

@@ -0,0 +1 @@
+node_modules

.travis.yml

@@ -1,12 +1,9 @@
-language: bash
+language: node_js
+node_js:
+  - "6"
 
-sudo: false
-
-addons:
-  apt:
-    packages:
-      - jq
+cache: yarn
 
 script:
-  - bin/jsonlint
   - bin/check_required_files_present
+  - npm test

README.md

@@ -113,13 +113,26 @@ There are also some convention about `expected` that you must follow:
 
 ## Automated Tests
 
-The only thing that we're testing at the moment, is whether or not `canonical-data.json`
-is valid json.
+`canonical-data.json` for each exercise is checked for compliancy against the [canonical-schema.json](canonical-schema.json).
+In order to run these tests, you will need to have `node` and `npm` installed on your system.
+Install them from [here](https://nodejs.org/en/). (`npm` comes bundled with most installations of `node`).
 
-If you want to run this before you commit, you will need to install
-[jq](https://stedolan.github.io/jq/download/). Then run the script with:
+Install the required packages:
+```shell
+npm install
+```
+
+Run for all exercises:
+```shell
+npm test
+```
+
+Run for single exercise:
+```shell
+npm test-one exercises/<exercise>/canonical-data.json
+```
+Replace `<exercise>` by the name of exercise which you want to check.
 
-    bin/jsonlint
 
 ## License
 

package.json

@@ -0,0 +1,16 @@
+{
+  "name": "x-common",
+  "version": "1.0.0",
+  "description": "Shared metadata for exercism exercises.",
+  "main": "index.js",
+  "repository": "git@github.com:exercism/x-common.git",
+  "author": "Tejas Bubane <tejasbubane@gmail.com>",
+  "license": "MIT",
+  "dependencies": {
+    "ajv-cli": "^1.1.1"
+  },
+  "scripts": {
+    "test": "ajv -s canonical-schema.json -d \"exercises/*/canonical-data.json\"",
+    "test-one": "ajv -s canonical-schema.json -d"
+  }
+}

yarn.lock

@@ -0,0 +1,195 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
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+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/abbrev/-/abbrev-1.1.0.tgz#d0554c2256636e2f56e7c2e5ad183f859428d81f"
+
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+  resolved "https://registry.yarnpkg.com/ajv-cli/-/ajv-cli-1.1.1.tgz#08ba8006413e888973cfac650c3a95acc2e7c6be"
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+    minimist "^1.2.0"
+
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+  resolved "https://registry.yarnpkg.com/ajv-pack/-/ajv-pack-0.2.7.tgz#bdd340f1c6799108d7aac12975a000c6e2a362c8"
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+
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+
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+
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+
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