Move testing to ava (#182)

package.json

@@ -8,7 +8,7 @@
 		"node": ">=4"
 	},
 	"scripts": {
-		"test": "xo && nyc mocha",
+		"test": "xo && nyc ava",
 		"bench": "matcha benchmark.js",
 		"coveralls": "nyc report --reporter=text-lcov | coveralls"
 	},
@@ -45,11 +45,11 @@
 		"supports-color": "^4.0.0"
 	},
 	"devDependencies": {
+		"ava": "*",
 		"coveralls": "^2.11.2",
 		"execa": "^0.7.0",
 		"import-fresh": "^2.0.0",
 		"matcha": "^0.7.0",
-		"mocha": "*",
 		"nyc": "^11.0.2",
 		"resolve-from": "^3.0.0",
 		"xo": "*"

fixture.js → test/_fixture.js

@@ -1,4 +1,4 @@
 'use strict';
-const chalk = require('.');
+const chalk = require('..');
 
 console.log(chalk.hex('#ff6159')('test'));

test/_supports-color.js

@@ -0,0 +1,13 @@
+'use strict';
+const resolveFrom = require('resolve-from');
+
+module.exports = dir => {
+	require.cache[resolveFrom(dir, 'supports-color')] = {
+		exports: {
+			level: 3,
+			hasBasic: true,
+			has256: true,
+			has16m: true
+		}
+	};
+};