Tests

.travis.yml

@@ -0,0 +1,8 @@
+version: ~> 1.0
+language: node_js
+os:
+ - linux
+import:
+ - ljharb/travis-ci:node/all.yml
+ - ljharb/travis-ci:node/pretest.yml
+ - ljharb/travis-ci:node/posttest.yml

package.json

@@ -13,7 +13,9 @@
 		"./package.json": "./package.json"
 	},
 	"scripts": {
-		"test": "echo \"Error: no test specified\" && exit 1"
+		"tests-only": "tape test",
+		"test": "npm run tests-only",
+		"posttest": "aud --production"
 	},
 	"repository": {
 		"type": "git",
@@ -38,5 +40,9 @@
 	"homepage": "https://github.com/inspect-js/is-core-module",
 	"dependencies": {
 		"has": "^1.0.3"
+	},
+	"devDependencies": {
+		"aud": "^1.1.2",
+		"tape": "^5.0.1"
 	}
 }

test/index.js

@@ -0,0 +1,83 @@
+'use strict';
+
+var test = require('tape');
+var keys = require('object-keys');
+var isCore = require('../');
+var data = require('../core.json');
+
+test('core modules', function (t) {
+	t.test('isCore()', function (st) {
+		st.ok(isCore('fs'));
+		st.ok(isCore('net'));
+		st.ok(isCore('http'));
+
+		st.ok(!isCore('seq'));
+		st.ok(!isCore('../'));
+
+		st.ok(!isCore('toString'));
+
+		st.end();
+	});
+
+	t.test('core list', function (st) {
+		var cores = keys(data);
+		st.plan(cores.length);
+
+		for (var i = 0; i < cores.length; ++i) {
+			var mod = cores[i];
+			var requireFunc = function () { require(mod); }; // eslint-disable-line no-loop-func
+			if (isCore(mod)) {
+				st.doesNotThrow(requireFunc, mod + ' supported; requiring does not throw');
+			} else {
+				st['throws'](requireFunc, mod + ' not supported; requiring throws');
+			}
+		}
+
+		st.end();
+	});
+
+	t.test('core via repl module', { skip: !data.repl }, function (st) {
+		var libs = require('repl')._builtinLibs; // eslint-disable-line no-underscore-dangle
+		if (!libs) {
+			st.skip('module.builtinModules does not exist');
+		} else {
+			for (var i = 0; i < libs.length; ++i) {
+				var mod = libs[i];
+				st.ok(data[mod], mod + ' is a core module');
+				st.doesNotThrow(
+					function () { require(mod); }, // eslint-disable-line no-loop-func
+					'requiring ' + mod + ' does not throw'
+				);
+			}
+		}
+		st.end();
+	});
+
+	t.test('core via builtinModules list', { skip: !data.module }, function (st) {
+		var libs = require('module').builtinModules;
+		if (!libs) {
+			st.skip('module.builtinModules does not exist');
+		} else {
+			var excludeList = [
+				'_debug_agent',
+				'v8/tools/tickprocessor-driver',
+				'v8/tools/SourceMap',
+				'v8/tools/tickprocessor',
+				'v8/tools/profile'
+			];
+			for (var i = 0; i < libs.length; ++i) {
+				var mod = libs[i];
+				if (excludeList.indexOf(mod) === -1) {
+					st.ok(data[mod], mod + ' is a core module');
+					st.doesNotThrow(
+						function () { require(mod); }, // eslint-disable-line no-loop-func
+						'requiring ' + mod + ' does not throw'
+					);
+				}
+			}
+		}
+		st.end();
+	});
+
+	t.end();
+});