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'use strict';
require('mocha');
var assert = require('assert');
var visit = require('./');
var obj = {
a: 'a',
b: 'b',
c: 'c',
d: { e: 'f' }
};
var ctx = {
data: {},
cwd: null,
set: function(key, value) {
if (typeof key === 'object') {
if (value && value.cwd) {
this.cwd = value.cwd;
}
visit(ctx, 'set', key, value);
} else {
ctx.data[key] = value;
}
}
};
describe('object-visit', function() {
describe('visit', function() {
beforeEach(function() {
ctx.data = {};
});
it('should call visit on every value in the given object:', function() {
ctx.set('a', 'a');
ctx.set('b', 'b');
ctx.set('c', 'c');
ctx.set({d: {e: 'f'}});
assert.deepEqual(ctx.data, obj);
});
it('should expose additional arguments to the method', function() {
ctx.set('a', 'a');
ctx.set('b', 'b');
ctx.set('c', 'c');
ctx.set({d: {e: 'f'}}, {cwd: process.cwd()});
assert.equal(ctx.cwd, process.cwd());
assert.deepEqual(ctx.data, obj);
});
});
describe('errors', function() {
it('should throw an error when invalid args are passed:', function() {
assert.throws(function() {
visit();
}, /thisArg/);
assert.throws(function() {
visit({}, {}, 'foo');
}, /method/);
assert.throws(function() {
visit('foo', 'bar');
}, /thisArg/);
assert.throws(function() {
visit({}, {}, {});
}, /method/);
});
});
});
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