var test = require('tape');

var module = require('../lib/index.js');

test('success: prints expected string', function(t) {

var H = new module.HelloObject('carol');

var check = H.helloMethod();

t.equal(check, 'carol', 'returned expected string');

t.end();

});

test('error: throws when passing empty string', function(t) {

try {

var H = new module.HelloObject('');

} catch(err) {

t.ok(err, 'expected error');

t.equal(err.message, 'arg must be a non-empty string', 'expected error message');

t.end();

}

});

test('error: throws when missing "new"', function(t) {

try {

var H = module.HelloObject();

} catch(err) {

t.ok(err);

t.equal(err.message, 'Class constructors cannot be invoked without \'new\'', 'expected error message');

t.end();

}

});

test('error: handles non-string arg within constructor', function(t) {

try {

var H = new module.HelloObject(24);

} catch(err) {

t.ok(err, 'expected error');

t.ok(err.message, 'A string was expected', 'expected error message');

t.end();

}

});

test('error: handles missing arg', function(t) {

try {

var H = new module.HelloObject();

} catch (err) {

t.ok(err, 'expected error');

t.ok(err.message, 'must provide string arg', 'expected error message');

t.end();

}

});