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114 lines
2.9 KiB
114 lines
2.9 KiB
var assert = require('assert'); |
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var Traverse = require('traverse'); |
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var util = require('util'); |
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exports.circular = function () { |
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var obj = { x : 3 }; |
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obj.y = obj; |
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var foundY = false; |
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Traverse(obj).forEach(function (x) { |
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if (this.path.join('') == 'y') { |
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assert.equal( |
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util.inspect(this.circular.node), |
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util.inspect(obj) |
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); |
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foundY = true; |
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} |
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}); |
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assert.ok(foundY); |
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}; |
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exports.deepCirc = function () { |
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var obj = { x : [ 1, 2, 3 ], y : [ 4, 5 ] }; |
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obj.y[2] = obj; |
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var times = 0; |
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Traverse(obj).forEach(function (x) { |
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if (this.circular) { |
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assert.deepEqual(this.circular.path, []); |
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assert.deepEqual(this.path, [ 'y', 2 ]); |
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times ++; |
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} |
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}); |
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assert.deepEqual(times, 1); |
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}; |
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exports.doubleCirc = function () { |
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var obj = { x : [ 1, 2, 3 ], y : [ 4, 5 ] }; |
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obj.y[2] = obj; |
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obj.x.push(obj.y); |
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var circs = []; |
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Traverse(obj).forEach(function (x) { |
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if (this.circular) { |
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circs.push({ circ : this.circular, self : this, node : x }); |
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} |
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}); |
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assert.deepEqual(circs[0].self.path, [ 'x', 3, 2 ]); |
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assert.deepEqual(circs[0].circ.path, []); |
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assert.deepEqual(circs[1].self.path, [ 'y', 2 ]); |
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assert.deepEqual(circs[1].circ.path, []); |
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assert.deepEqual(circs.length, 2); |
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}; |
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exports.circDubForEach = function () { |
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var obj = { x : [ 1, 2, 3 ], y : [ 4, 5 ] }; |
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obj.y[2] = obj; |
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obj.x.push(obj.y); |
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Traverse(obj).forEach(function (x) { |
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if (this.circular) this.update('...'); |
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}); |
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assert.deepEqual(obj, { x : [ 1, 2, 3, [ 4, 5, '...' ] ], y : [ 4, 5, '...' ] }); |
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}; |
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exports.circDubMap = function () { |
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var obj = { x : [ 1, 2, 3 ], y : [ 4, 5 ] }; |
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obj.y[2] = obj; |
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obj.x.push(obj.y); |
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var c = Traverse(obj).map(function (x) { |
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if (this.circular) { |
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this.update('...'); |
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} |
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}); |
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assert.deepEqual(c, { x : [ 1, 2, 3, [ 4, 5, '...' ] ], y : [ 4, 5, '...' ] }); |
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}; |
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exports.circClone = function () { |
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var obj = { x : [ 1, 2, 3 ], y : [ 4, 5 ] }; |
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obj.y[2] = obj; |
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obj.x.push(obj.y); |
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var clone = Traverse.clone(obj); |
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assert.ok(obj !== clone); |
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assert.ok(clone.y[2] === clone); |
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assert.ok(clone.y[2] !== obj); |
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assert.ok(clone.x[3][2] === clone); |
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assert.ok(clone.x[3][2] !== obj); |
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assert.deepEqual(clone.x.slice(0,3), [1,2,3]); |
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assert.deepEqual(clone.y.slice(0,2), [4,5]); |
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}; |
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exports.circMapScrub = function () { |
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var obj = { a : 1, b : 2 }; |
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obj.c = obj; |
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var scrubbed = Traverse(obj).map(function (node) { |
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if (this.circular) this.remove(); |
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}); |
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assert.deepEqual( |
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Object.keys(scrubbed).sort(), |
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[ 'a', 'b' ] |
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); |
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assert.ok(Traverse.deepEqual(scrubbed, { a : 1, b : 2 })); |
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assert.equal(obj.c, obj); |
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};
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