feat: add example ava test

License: MIT
Signed-off-by: Oli Evans <oli@tableflip.io>

Author: olizilla

index.js

@@ -19,17 +19,9 @@ const _ = require('lodash')
 const fp = require('lodash/fp')
 const neatFrame = require('neat-frame')
 const { stripIndent } = require('common-tags')
+const httpGatewayUrl = require('./src/gateway')
 
 // # Pure functions
-function httpGatewayUrl(hash, gatewayProvider = 'ipfs') {
-  const gateways = {
-    ipfs: 'https://ipfs.io',
-    infura: 'https://ipfs.infura.io',
-    pinata: 'https://gateway.pinata.cloud',
-  }
-  const origin = gateways[gatewayProvider] || gateways['ipfs']
-  return `${origin}/ipfs/${hash}`
-}
 
 function formatError(e) {
   const prettierJson = obj =>

package.json

@@ -64,6 +64,7 @@
     "@semantic-release/npm": "^5.1.7",
     "@semantic-release/release-notes-generator": "^7.1.7",
     "all-contributors-cli": "^6.4.0",
+    "ava": "^1.4.1",
     "eslint": "^6.0.0-alpha.0",
     "eslint-config-prettier": "^4.2.0",
     "eslint-plugin-import": "^2.17.2",
@@ -76,7 +77,7 @@
   },
   "scripts": {
     "format": "npx prettier --write ./**/*.{js,json,md,mdx,html,css}",
-    "test": "echo \"Error: no test specified\" && exit 1",
+    "test": "ava",
     "commit": "npx sgc",
     "commit:retry": "npx sgc --retry",
     "semantic-release": "./semantic-release-dry-run.bash",

src/gateway.js

@@ -0,0 +1,14 @@
+function getGatewayUrl(cid, gatewayProvider = 'ipfs') {
+  if (!cid) {
+    throw new Error('getGatewayUrl expects to be called with a valud IPFS CID')
+  }
+  const gateways = {
+    ipfs: 'https://ipfs.io',
+    infura: 'https://ipfs.infura.io',
+    pinata: 'https://gateway.pinata.cloud',
+  }
+  const origin = gateways[gatewayProvider] || gateways['ipfs']
+  return `${origin}/ipfs/${cid}`
+}
+
+module.exports = getGatewayUrl

test/gateway.js

@@ -0,0 +1,26 @@
+const test = require('ava')
+const httpGatewayUrl = require('../src/gateway')
+
+test('get http gateway url for a cid', t => {
+  const expected = 'https://ipfs.io/ipfs/fakecid'
+  const actual = httpGatewayUrl('fakecid')
+  t.is(actual, expected)
+})
+
+test('get http gateway url for a cid on infura', t => {
+  const expected = 'https://ipfs.infura.io/ipfs/fakecid'
+  const actual = httpGatewayUrl('fakecid', 'infura')
+  t.is(actual, expected)
+})
+
+test('get http gateway url for a cid on pinata', t => {
+  const expected = 'https://gateway.pinata.cloud/ipfs/fakecid'
+  const actual = httpGatewayUrl('fakecid', 'pinata')
+  t.is(actual, expected)
+})
+
+test('throw if no cid', t => {
+  t.throws(() => {
+    httpGatewayUrl()
+  })
+})