fix: fromObject should not initialize oneof members #1597
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Expected test failure: |
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murgatroid99
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* test: adding test for pbjs static code generation * fix: fromObject should not initialize oneof members
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* feat: proto3 optional support * chore: pre-release v6.11.0-pre * fix: rebuild * fix: fromObject should not initialize oneof members (#1597) * test: adding test for pbjs static code generation * fix: fromObject should not initialize oneof members * chore: release v6.11.0 * chore: rebuild * feat: add --no-service option for pbjs static target (#1577) This option skips generation of service clients. Co-authored-by: Alexander Fenster <[email protected]> * deps: set @types/node to >= (#1575) * deps: set @types/node to star version When using `protobuf.js` as a dependency in a project it is important that `@types/node` package gets de-duped and has the same version as for the rest of the modules in the project. Otherwise, typing conflicts could happen as they do between v13 and v14 node types. * fix: use @types/node >=13.7.0 * fix: use @types/node >=13.7.0 Co-authored-by: Alexander Fenster <[email protected]> Co-authored-by: Alexander Fenster <[email protected]> * chore: rebuild * docs: update changelog * fix: parse.js "parent.add(oneof)“ error (#1602) Co-authored-by: xiaoweili <[email protected]> * chore: release v6.11.1 * fix(types): bring back Field.rule to .d.ts * fix: rebuild type, release v6.11.2 * build: configure backports * build: configure 6.x as default branch * fix: do not let setProperty change the prototype (#1731) * fix(deps): use eslint 8.x (#1728) * build: run tests if ci label added (#1734) * build: publish to main * chore(6.x): release 6.11.3 (#1737) Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com> * Support parsing of complex options * Use readValue to read the proto value and add better example * Fix lint issues * fix: rollback files * Re-do parse logic to take arrays into account and make it simpler Co-authored-by: Alexander Fenster <[email protected]> Co-authored-by: Matthew Douglass <[email protected]> Co-authored-by: Fedor Indutny <[email protected]> Co-authored-by: Alexander Fenster <[email protected]> Co-authored-by: leon <[email protected]> Co-authored-by: xiaoweili <[email protected]> Co-authored-by: Benjamin Coe <[email protected]> Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
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Fixes #1596.
The problem happens when an instance of a statically generated class (e.g. generated with
pbjs) is passed to a dynamically generated.fromObject(e.g. from a protobufRootloaded in the runtime). Since the statically generated instance has all non-optional fields set to their default values in the prototype, including theoneoffields, the resulting message is incorrect because it has all non-primitive members ofoneofassigned to the default value (e.g. empty string), which make serialized object deserialize incorrectly by official protobuf implementations (e.g. Python). The implementation of dynamic.fromObjecthas a safety check that does nothing if thetypeofshows it's already an object of the correct type, but this safety check does not work since they technically have different types (static one vs dynamic one) in this particular case.Real life scenario: someone creates an object using
pbjsgenerated static class andnew, then passes it to gRPC client based on proto files loaded dynamically (so the.fromObjectit uses comes from a dynamic class).To fix it, we need to make sure the
oneoffields don't get initialized with anything other thannull. This is the same logic I added previously (in #1584), so since proto3optionalfields are actually implemented asoneofmembers, I'm just extending the same logic to alloneofmembers, not just proto3optionalfields. I think it became clearer.This PR consists of two parts. First, I'm adding a test to the static code generation (basically,
pbjs -t static), because it's currently not covered by any test. The second commit will bring an actual fix to the problem described above.