it('should merge diff for an update of property after its child prpoerty updates', () => {
let oldValue = {x: {y: {a: 1, b: 2}}};
let newValue = {x: 1};
let x = {
x: {
y: {
c: createDiffNode('add', undefined, 3)
}
}
};
let y = {
x: createDiffNode('change', oldValue.x /* 没用 */, 1)
};
let node = mergeDiff(x, y, oldValue, newValue);
expect(node).toEqual({
x: {
changeType: 'change',
oldValue: {
y: {
a: 1,
b: 2
}
},
newValue: 1
}
});
});
it('should merge diff for an update of property after its parent prpoerty updates', () => {
let oldValue = {x: {y: {a: 1, b: 2}}};
let newValue = {x: {y: [1]}};
let x = {
x: createDiffNode('change', oldValue.x, {y: []})
};
let y = {
x: {
y: createDiffNode('change', {y: []} /* 没用 */, {y: [1]})
}
};
let node = mergeDiff(x, y, oldValue, newValue);
expect(node).toEqual({
x: {
changeType: 'change',
oldValue: {
y: {
a: 1,
b: 2
}
},
newValue: {
y: [1]
}
}
});
});
it('should merge diffs from different properties', () => {
let oldValue = {x: {a: 1, b: 2}};
let newValue = {x: {a: 2, b: 3}};
let x = {
x: {
a: createDiffNode('change', 1, 2)
}
};
let y = {
x: {
b: createDiffNode('change', 2, 3)
}
};
let node = mergeDiff(x, y, oldValue, newValue);
expect(node).toEqual({
x: {
a: {
changeType: 'change',
oldValue: 1,
newValue: 2
},
b: {
changeType: 'change',
oldValue: 2,
newValue: 3
}
}
});
});