Add FieldMask utilities and message merge options #576
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jcready
commented
Aug 9, 2023
| @@ -105,12 +106,12 @@ describe('reflectionMergePartial()', () => { | |||
| describe('and source field empty', () => { | |||
| const source: object = {child: undefined}; | |||
| it('does not touch target', () => { | |||
| const target: any = {child: 123}; | |||
| const target: any = {child: 123, children: []}; | |||
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These tests are janky. The target/source for these tests do not follow the rules of what should be passed to reflectionMergePartial() (e.g. the MessageInfo.fields describe T). Any T should never have optional repeated fields (like children). The new implementation of reflectionMergePartial() depends on it.
| @@ -119,12 +120,12 @@ describe('reflectionMergePartial()', () => { | |||
| describe('and source field null', () => { | |||
| const source: object = {child: null}; | |||
| it('does not touch target', () => { | |||
| const target: any = {child: 123}; | |||
| const target: any = {child: 123, children: []}; | |||
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Janky. child is a "message" field, not a "scalar" number.
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See #58
The majority of the tests were pulled from the official python and java implementations.
As a consequence of implementing the "canonical" behavior for merging messages using a
FieldMask(namely: by default repeated fields are appended (not replaced) and there is the ability to "clear" singular message fields in the target if they are unset in the source) this change also adds the conceptMergeOptionswhich is now optionally able to be passed to the pre-existingMessageType.mergePartial()andreflectionMergePartial().