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'use strict';
var test = require('tape');
var traverse = require('../');
var deepEqual = require('./lib/deep_equal');
var util = require('util');
test('circular', function (t) {
t.plan(1);
var obj = { x: 3 };
obj.y = obj;
traverse(obj).forEach(function () {
if (this.path.join('') === 'y') {
t.equal(
util.inspect(this.circular.node),
util.inspect(obj)
);
}
});
});
test('deepCirc', function (t) {
t.plan(2);
var obj = { x: [1, 2, 3], y: [4, 5] };
obj.y[2] = obj;
traverse(obj).forEach(function () {
if (this.circular) {
t.deepEqual(this.circular.path, []);
t.deepEqual(this.path, ['y', '2']);
}
});
});
test('doubleCirc', function (t) {
var obj = { x: [1, 2, 3], y: [4, 5] };
obj.y[2] = obj;
obj.x.push(obj.y);
var circs = [];
traverse(obj).forEach(function (x) {
if (this.circular) {
circs.push({ circ: this.circular, self: this, node: x });
}
});
t.deepEqual(circs[0].self.path, ['x', '3', '2']);
t.deepEqual(circs[0].circ.path, []);
t.deepEqual(circs[1].self.path, ['y', '2']);
t.deepEqual(circs[1].circ.path, []);
t.deepEqual(circs.length, 2);
t.end();
});
test('circDubForEach', function (t) {
var obj = { x: [1, 2, 3], y: [4, 5] };
obj.y[2] = obj;
obj.x.push(obj.y);
traverse(obj).forEach(function () {
if (this.circular) { this.update('...'); }
});
t.same(obj, { x: [1, 2, 3, [4, 5, '...']], y: [4, 5, '...'] });
t.end();
});
test('circDubMap', function (t) {
var obj = { x: [1, 2, 3], y: [4, 5] };
obj.y[2] = obj;
obj.x.push(obj.y);
var c = traverse(obj).map(function () {
if (this.circular) {
this.update('...');
}
});
t.same(c, { x: [1, 2, 3, [4, 5, '...']], y: [4, 5, '...'] });
t.end();
});
test('circClone', function (t) {
var obj = { x: [1, 2, 3], y: [4, 5] };
obj.y[2] = obj;
obj.x.push(obj.y);
var clone = traverse.clone(obj);
t.ok(obj !== clone);
t.ok(clone.y[2] === clone);
t.ok(clone.y[2] !== obj);
t.ok(clone.x[3][2] === clone);
t.ok(clone.x[3][2] !== obj);
t.same(clone.x.slice(0, 3), [1, 2, 3]);
t.same(clone.y.slice(0, 2), [4, 5]);
t.end();
});
test('circMapScrub', function (t) {
var obj = { a: 1, b: 2 };
obj.c = obj;
var scrubbed = traverse(obj).map(function () {
if (this.circular) { this.remove(); }
});
t.same(
Object.keys(scrubbed).sort(),
['a', 'b']
);
t.ok(deepEqual(scrubbed, { a: 1, b: 2 }));
t.equal(obj.c, obj);
t.end();
});