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Copy pathindex.js
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698 lines (629 loc) · 16.9 KB
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var test = require('../util/test')(__filename);
var {diff, jsonPatchPathConverter} = require('../../packages/collection-diff');
var {
diffApply,
jsonPatchPathConverter: jsonPatchApplier,
} = require('../../packages/collection-diff-apply');
var compare = require('../../packages/collection-compare');
test('flat objects', function(t) {
t.plan(8);
var obj1 = {a: 4, b: 5};
var obj2 = {a: 3, b: 5};
var obj3 = {a: 4, c: 5};
t.ok(compare(diff(obj1, obj2), [{op: 'replace', path: ['a'], value: 3}]));
t.ok(compare(diff(obj2, obj1), [{op: 'replace', path: ['a'], value: 4}]));
t.ok(
compare(diff(obj1, obj3), [{op: 'remove', path: ['b']}, {op: 'add', path: ['c'], value: 5}])
);
t.ok(
compare(diff(obj3, obj1), [{op: 'remove', path: ['c']}, {op: 'add', path: ['b'], value: 5}])
);
t.ok(
compare(diff(obj2, obj3), [
{op: 'remove', path: ['b']},
{op: 'replace', path: ['a'], value: 4},
{op: 'add', path: ['c'], value: 5},
])
);
t.ok(
compare(diff(obj3, obj2), [
{op: 'remove', path: ['c']},
{op: 'replace', path: ['a'], value: 3},
{op: 'add', path: ['b'], value: 5},
])
);
var obj4 = {a: 3, b: null};
t.ok(
compare(diff(obj1, obj4), [
{op: 'replace', path: ['a'], value: 3},
{op: 'replace', path: ['b'], value: null},
])
);
t.ok(
compare(diff(obj4, obj1), [
{op: 'replace', path: ['a'], value: 4},
{op: 'replace', path: ['b'], value: 5},
])
);
});
test('flat null and undefined', function(t) {
t.plan(4);
t.ok(
compare(
diff(
{
foo: null,
},
{
foo: null,
}
),
[]
)
);
t.ok(
compare(
diff(
{
foo: undefined,
},
{
foo: undefined,
}
),
[]
)
);
t.ok(
compare(
diff(
{
foo: undefined,
},
{
foo: null,
}
),
[{op: 'replace', path: ['foo'], value: null}]
)
);
t.ok(
compare(
diff(
{
foo: null,
},
{
foo: undefined,
}
),
[{op: 'replace', path: ['foo'], value: undefined}]
)
);
});
test('objects with array properties', function(t) {
t.plan(6);
var obj4 = {a: 4, b: [1, 2, 3]};
var obj5 = {a: 3, b: [1, 2, 4]};
var obj6 = {a: 3, b: [1, 2, 4, 5]};
t.ok(
compare(diff(obj4, obj5), [
{op: 'replace', path: ['a'], value: 3},
{op: 'replace', path: ['b', 2], value: 4},
])
);
t.ok(
compare(diff(obj5, obj4), [
{op: 'replace', path: ['a'], value: 4},
{op: 'replace', path: ['b', 2], value: 3},
])
);
t.ok(
compare(diff(obj4, obj6), [
{op: 'replace', path: ['a'], value: 3},
{op: 'replace', path: ['b', 2], value: 4},
{op: 'add', path: ['b', 3], value: 5},
])
);
t.ok(
compare(diff(obj6, obj4), [
{op: 'remove', path: ['b', 3]},
{op: 'replace', path: ['a'], value: 4},
{op: 'replace', path: ['b', 2], value: 3},
])
);
t.ok(compare(diff(obj5, obj6), [{op: 'add', path: ['b', 3], value: 5}]));
t.ok(compare(diff(obj6, obj5), [{op: 'remove', path: ['b', 3]}]));
});
test('objects whose properties are objects but with no properties of their own', function(t) {
t.plan(1);
var obj21 = {
a: 4,
b1: new Date('1990-01-22T15:14:10.837Z'),
b2: new Date('1993-01-22T15:14:10.837Z'),
c1: /abc/,
c2: /def/,
d: JSON,
};
var obj22 = {
a: 3,
b1: new Date('2018-01-22T15:11:19.244Z'),
b2: new Date('1993-01-22T15:14:10.837Z'),
c1: /bcd/,
c2: /def/,
d: JSON,
};
t.ok(
compare(diff(obj21, obj22), [
{op: 'replace', path: ['a'], value: 3},
{op: 'replace', path: ['b1'], value: new Date('2018-01-22T15:11:19.244Z')},
{op: 'replace', path: ['c1'], value: /bcd/},
])
);
});
test('objects with nulls against array properties', function(t) {
t.plan(2);
t.ok(
compare(
diff(
{
foo: null,
},
{
foo: [1, 2, 3],
}
),
[{op: 'replace', path: ['foo'], value: [1, 2, 3]}]
)
);
t.ok(
compare(
diff(
{
foo: undefined,
},
{
foo: [1, 2, 3],
}
),
[{op: 'replace', path: ['foo'], value: [1, 2, 3]}]
)
);
});
test('nested objects', function(t) {
t.plan(8);
var obj7 = {a: 4, b: {c: 3}};
var obj8 = {a: 4, b: {c: 4}};
var obj9 = {a: 5, b: {d: 4}};
var obj10 = {a: 4};
var obj11 = {a: 4, b: {c: 4}};
t.ok(compare(diff(obj7, obj8), [{op: 'replace', path: ['b', 'c'], value: 4}]));
t.ok(compare(diff(obj8, obj7), [{op: 'replace', path: ['b', 'c'], value: 3}]));
t.ok(
compare(diff(obj7, obj9), [
{op: 'remove', path: ['b', 'c']},
{op: 'replace', path: ['a'], value: 5},
{op: 'add', path: ['b', 'd'], value: 4},
])
);
t.ok(
compare(diff(obj9, obj7), [
{op: 'remove', path: ['b', 'd']},
{op: 'replace', path: ['a'], value: 4},
{op: 'add', path: ['b', 'c'], value: 3},
])
);
t.ok(
compare(diff(obj8, obj9), [
{op: 'remove', path: ['b', 'c']},
{op: 'replace', path: ['a'], value: 5},
{op: 'add', path: ['b', 'd'], value: 4},
])
);
t.ok(
compare(diff(obj9, obj8), [
{op: 'remove', path: ['b', 'd']},
{op: 'replace', path: ['a'], value: 4},
{op: 'add', path: ['b', 'c'], value: 4},
])
);
t.ok(compare(diff(obj10, obj11), [{op: 'add', path: ['b'], value: {c: 4}}]));
t.ok(compare(diff(obj11, obj10), [{op: 'remove', path: ['b']}]));
});
test('objects with nulls against nested objects', function(t) {
t.plan(2);
t.ok(
compare(
diff(
{
foo: null,
},
{
foo: {bar: 'smang'},
}
),
[{op: 'replace', path: ['foo'], value: {bar: 'smang'}}]
)
);
t.ok(
compare(
diff(
{
foo: undefined,
},
{
foo: {bar: 'smang'},
}
),
[{op: 'replace', path: ['foo'], value: {bar: 'smang'}}]
)
);
});
test('arrays', function(t) {
t.plan(6);
var obj12 = ['a', {a: 2}, 'c'];
var obj13 = ['a', {a: 3}, 'd'];
var obj14 = ['b', {b: 3}, 'd', 'e'];
t.ok(
compare(diff(obj12, obj13), [
{op: 'replace', path: [1, 'a'], value: 3},
{op: 'replace', path: [2], value: 'd'},
])
);
t.ok(
compare(diff(obj13, obj12), [
{op: 'replace', path: [1, 'a'], value: 2},
{op: 'replace', path: [2], value: 'c'},
])
);
t.ok(
compare(diff(obj12, obj14), [
{op: 'remove', path: [1, 'a']},
{op: 'replace', path: [0], value: 'b'},
{op: 'replace', path: [2], value: 'd'},
{op: 'add', path: [1, 'b'], value: 3},
{op: 'add', path: [3], value: 'e'},
])
);
t.ok(
compare(diff(obj13, obj14), [
{op: 'remove', path: [1, 'a']},
{op: 'replace', path: [0], value: 'b'},
{op: 'add', path: [1, 'b'], value: 3},
{op: 'add', path: [3], value: 'e'},
])
);
t.ok(
compare(diff(obj13, obj14), [
{op: 'remove', path: [1, 'a']},
{op: 'replace', path: [0], value: 'b'},
{op: 'add', path: [1, 'b'], value: 3},
{op: 'add', path: [3], value: 'e'},
])
);
t.ok(
compare(diff(obj14, obj13), [
{op: 'remove', path: [3]},
{op: 'remove', path: [1, 'b']},
{op: 'replace', path: [0], value: 'a'},
{op: 'add', path: [1, 'a'], value: 3},
])
);
});
test('object vs array', function(t) {
t.plan(2);
var obj15 = {a: 2};
var obj16 = ['a', 2];
t.ok(
compare(diff(obj15, obj16), [
{op: 'remove', path: ['a']},
{op: 'add', path: [0], value: 'a'},
{op: 'add', path: [1], value: 2},
])
);
t.ok(
compare(diff(obj16, obj15), [
{op: 'remove', path: [1]},
{op: 'remove', path: [0]},
{op: 'add', path: ['a'], value: 2},
])
);
});
test('round trip', function(t) {
t.plan(4);
var obj15 = [1, 2, 3, 4, 5];
var obj16 = [5];
var thisDiff = diff(obj15, obj16);
diffApply(obj15, thisDiff);
t.ok(compare(obj15, obj16));
var obj15a = [1, 2, 3, 4, 5];
var obj16a = [5];
thisDiff = diff(obj16a, obj15a);
diffApply(obj16a, thisDiff);
t.ok(compare(obj15a, obj16a));
var obj17 = {a: [1, 2], b: {c: 3, d: 4, f: [23, 'l']}};
var obj18 = {c: [1, 2], e: {c: 5, e: 1, f: [23, 'l', 'x']}};
var thisDiff = diff(obj17, obj18);
diffApply(obj17, thisDiff);
t.ok(compare(obj17, obj18));
var obj17a = {a: [1, 2], b: {c: 3, d: 4, f: [23, 'l']}};
var obj18a = {c: [1, 2], e: {c: 5, e: 1, f: [23, 'l', 'x']}};
thisDiff = diff(obj18a, obj17a);
diffApply(obj18a, thisDiff);
t.ok(compare(obj17a, obj18a));
});
test('flat objects using jsPatchStandard', function(t) {
t.plan(6);
var obj1 = {a: 4, b: 5};
var obj2 = {a: 3, b: 5};
var obj3 = {a: 4, c: 5};
t.ok(compare(diff(obj1, obj2, jsonPatchPathConverter), [{op: 'replace', path: '/a', value: 3}]));
t.ok(compare(diff(obj2, obj1, jsonPatchPathConverter), [{op: 'replace', path: '/a', value: 4}]));
t.ok(
compare(diff(obj1, obj3, jsonPatchPathConverter), [
{op: 'remove', path: '/b'},
{op: 'add', path: '/c', value: 5},
])
);
t.ok(
compare(diff(obj3, obj1, jsonPatchPathConverter), [
{op: 'remove', path: '/c'},
{op: 'add', path: '/b', value: 5},
])
);
t.ok(
compare(diff(obj2, obj3, jsonPatchPathConverter), [
{op: 'remove', path: '/b'},
{op: 'replace', path: '/a', value: 4},
{op: 'add', path: '/c', value: 5},
])
);
t.ok(
compare(diff(obj3, obj2, jsonPatchPathConverter), [
{op: 'remove', path: '/c'},
{op: 'replace', path: '/a', value: 3},
{op: 'add', path: '/b', value: 5},
])
);
});
test('objects with array properties using jsPatchStandard', function(t) {
t.plan(6);
var obj4 = {a: 4, b: [1, 2, 3]};
var obj5 = {a: 3, b: [1, 2, 4]};
var obj6 = {a: 3, b: [1, 2, 4, 5]};
t.ok(
compare(diff(obj4, obj5, jsonPatchPathConverter), [
{op: 'replace', path: '/a', value: 3},
{op: 'replace', path: '/b/2', value: 4},
])
);
t.ok(
compare(diff(obj5, obj4, jsonPatchPathConverter), [
{op: 'replace', path: '/a', value: 4},
{op: 'replace', path: '/b/2', value: 3},
])
);
t.ok(
compare(diff(obj4, obj6, jsonPatchPathConverter), [
{op: 'replace', path: '/a', value: 3},
{op: 'replace', path: '/b/2', value: 4},
{op: 'add', path: '/b/3', value: 5},
])
);
t.ok(
compare(diff(obj6, obj4, jsonPatchPathConverter), [
{op: 'remove', path: '/b/3'},
{op: 'replace', path: '/a', value: 4},
{op: 'replace', path: '/b/2', value: 3},
])
);
t.ok(compare(diff(obj5, obj6, jsonPatchPathConverter), [{op: 'add', path: '/b/3', value: 5}]));
t.ok(compare(diff(obj6, obj5, jsonPatchPathConverter), [{op: 'remove', path: '/b/3'}]));
});
test('nested objects using jsPatchStandard', function(t) {
t.plan(8);
var obj7 = {a: 4, b: {c: 3}};
var obj8 = {a: 4, b: {c: 4}};
var obj9 = {a: 5, b: {d: 4}};
var obj10 = {a: 4};
var obj11 = {a: 4, b: {c: 4}};
t.ok(
compare(diff(obj7, obj8, jsonPatchPathConverter), [{op: 'replace', path: '/b/c', value: 4}])
);
t.ok(
compare(diff(obj8, obj7, jsonPatchPathConverter), [{op: 'replace', path: '/b/c', value: 3}])
);
t.ok(
compare(diff(obj7, obj9, jsonPatchPathConverter), [
{op: 'remove', path: '/b/c'},
{op: 'replace', path: '/a', value: 5},
{op: 'add', path: '/b/d', value: 4},
])
);
t.ok(
compare(diff(obj9, obj7, jsonPatchPathConverter), [
{op: 'remove', path: '/b/d'},
{op: 'replace', path: '/a', value: 4},
{op: 'add', path: '/b/c', value: 3},
])
);
t.ok(
compare(diff(obj8, obj9, jsonPatchPathConverter), [
{op: 'remove', path: '/b/c'},
{op: 'replace', path: '/a', value: 5},
{op: 'add', path: '/b/d', value: 4},
])
);
t.ok(
compare(diff(obj9, obj8, jsonPatchPathConverter), [
{op: 'remove', path: '/b/d'},
{op: 'replace', path: '/a', value: 4},
{op: 'add', path: '/b/c', value: 4},
])
);
t.ok(
compare(diff(obj10, obj11, jsonPatchPathConverter), [{op: 'add', path: '/b', value: {c: 4}}])
);
t.ok(compare(diff(obj11, obj10, jsonPatchPathConverter), [{op: 'remove', path: '/b'}]));
});
test('arrays using jsPatchStandard', function(t) {
t.plan(6);
var obj12 = ['a', {a: 2}, 'c'];
var obj13 = ['a', {a: 3}, 'd'];
var obj14 = ['b', {b: 3}, 'd', 'e'];
t.ok(
compare(diff(obj12, obj13, jsonPatchPathConverter), [
{op: 'replace', path: '/1/a', value: 3},
{op: 'replace', path: '/2', value: 'd'},
])
);
t.ok(
compare(diff(obj13, obj12, jsonPatchPathConverter), [
{op: 'replace', path: '/1/a', value: 2},
{op: 'replace', path: '/2', value: 'c'},
])
);
t.ok(
compare(diff(obj12, obj14, jsonPatchPathConverter), [
{op: 'remove', path: '/1/a'},
{op: 'replace', path: '/0', value: 'b'},
{op: 'replace', path: '/2', value: 'd'},
{op: 'add', path: '/1/b', value: 3},
{op: 'add', path: '/3', value: 'e'},
])
);
t.ok(
compare(diff(obj13, obj14, jsonPatchPathConverter), [
{op: 'remove', path: '/1/a'},
{op: 'replace', path: '/0', value: 'b'},
{op: 'add', path: '/1/b', value: 3},
{op: 'add', path: '/3', value: 'e'},
])
);
t.ok(
compare(diff(obj13, obj14, jsonPatchPathConverter), [
{op: 'remove', path: '/1/a'},
{op: 'replace', path: '/0', value: 'b'},
{op: 'add', path: '/1/b', value: 3},
{op: 'add', path: '/3', value: 'e'},
])
);
t.ok(
compare(diff(obj14, obj13, jsonPatchPathConverter), [
{op: 'remove', path: '/3'},
{op: 'remove', path: '/1/b'},
{op: 'replace', path: '/0', value: 'a'},
{op: 'add', path: '/1/a', value: 3},
])
);
});
test('object vs array using jsPatchStandard', function(t) {
t.plan(2);
var obj15 = {a: 2};
var obj16 = ['a', 2];
t.ok(
compare(diff(obj15, obj16, jsonPatchPathConverter), [
{op: 'remove', path: '/a'},
{op: 'add', path: '/0', value: 'a'},
{op: 'add', path: '/1', value: 2},
])
);
t.ok(
compare(diff(obj16, obj15, jsonPatchPathConverter), [
{op: 'remove', path: '/1'},
{op: 'remove', path: '/0'},
{op: 'add', path: '/a', value: 2},
])
);
});
test('round trip using jsPatchStandard', function(t) {
t.plan(4);
var obj15 = [1, 2, 3, 4, 5];
var obj16 = [5];
var thisDiff = diff(obj15, obj16, jsonPatchPathConverter);
diffApply(obj15, thisDiff, jsonPatchApplier);
t.ok(compare(obj15, obj16));
var obj15a = [1, 2, 3, 4, 5];
var obj16a = [5];
thisDiff = diff(obj16a, obj15a, jsonPatchPathConverter);
diffApply(obj16a, thisDiff, jsonPatchApplier);
t.ok(compare(obj15a, obj16a));
var obj17 = {a: [1, 2], b: {c: 3, d: 4, f: [23, 'l']}};
var obj18 = {c: [1, 2], e: {c: 5, e: 1, f: [23, 'l', 'x']}};
var thisDiff = diff(obj17, obj18, jsonPatchPathConverter);
diffApply(obj17, thisDiff, jsonPatchApplier);
t.ok(compare(obj17, obj18));
var obj17a = {a: [1, 2], b: {c: 3, d: 4, f: [23, 'l']}};
var obj18a = {c: [1, 2], e: {c: 5, e: 1, f: [23, 'l', 'x']}};
thisDiff = diff(obj18a, obj17a, jsonPatchPathConverter);
diffApply(obj18a, thisDiff, jsonPatchApplier);
t.ok(compare(obj17a, obj18a));
});
test('nested objects using custom converter', function(t) {
t.plan(8);
var converter = function(path) {
return path.join('-');
};
var obj7 = {a: 4, b: {c: 3}};
var obj8 = {a: 4, b: {c: 4}};
var obj9 = {a: 5, b: {d: 4}};
var obj10 = {a: 4};
var obj11 = {a: 4, b: {c: 4}};
t.ok(compare(diff(obj7, obj8, converter), [{op: 'replace', path: 'b-c', value: 4}]));
t.ok(compare(diff(obj8, obj7, converter), [{op: 'replace', path: 'b-c', value: 3}]));
t.ok(
compare(diff(obj7, obj9, converter), [
{op: 'remove', path: 'b-c'},
{op: 'replace', path: 'a', value: 5},
{op: 'add', path: 'b-d', value: 4},
])
);
t.ok(
compare(diff(obj9, obj7, converter), [
{op: 'remove', path: 'b-d'},
{op: 'replace', path: 'a', value: 4},
{op: 'add', path: 'b-c', value: 3},
])
);
t.ok(
compare(diff(obj8, obj9, converter), [
{op: 'remove', path: 'b-c'},
{op: 'replace', path: 'a', value: 5},
{op: 'add', path: 'b-d', value: 4},
])
);
t.ok(
compare(diff(obj9, obj8, converter), [
{op: 'remove', path: 'b-d'},
{op: 'replace', path: 'a', value: 4},
{op: 'add', path: 'b-c', value: 4},
])
);
t.ok(compare(diff(obj10, obj11, converter), [{op: 'add', path: 'b', value: {c: 4}}]));
t.ok(compare(diff(obj11, obj10, converter), [{op: 'remove', path: 'b'}]));
});
test('invalid inputs', function(t) {
t.plan(6);
t.throws(function() {
compare(diff(null, null));
});
t.throws(function() {
compare(diff(undefined, undefined));
});
t.throws(function() {
compare(diff({a: 2}, undefined));
});
t.throws(function() {
compare(diff(null, {b: 4}));
});
t.throws(function() {
compare(diff(7, 6));
});
t.throws(function() {
compare(
diff(function(a, b) {
return a + b;
}, 6)
);
});
});