diff options
Diffstat (limited to 'Firestore/core/test/firebase/firestore/remote/serializer_test.cc')
-rw-r--r-- | Firestore/core/test/firebase/firestore/remote/serializer_test.cc | 132 |
1 files changed, 121 insertions, 11 deletions
diff --git a/Firestore/core/test/firebase/firestore/remote/serializer_test.cc b/Firestore/core/test/firebase/firestore/remote/serializer_test.cc index 96ffa9e..f3773b9 100644 --- a/Firestore/core/test/firebase/firestore/remote/serializer_test.cc +++ b/Firestore/core/test/firebase/firestore/remote/serializer_test.cc @@ -502,13 +502,14 @@ TEST_F(SerializerTest, EncodesFieldValuesWithRepeatedEntries) { // Copy of the real one (from the nanopb generated document.pb.c), but with // only boolean_value and integer_value. - const pb_field_t google_firestore_v1beta1_Value_fields_Fake[2] = { + const pb_field_t google_firestore_v1beta1_Value_fields_Fake[3] = { PB_FIELD(1, BOOL, SINGULAR, STATIC, FIRST, google_firestore_v1beta1_Value_Fake, boolean_value, boolean_value, 0), PB_FIELD(2, INT64, SINGULAR, STATIC, OTHER, google_firestore_v1beta1_Value_Fake, integer_value, boolean_value, 0), + PB_LAST_FIELD, }; // Craft the bytes. boolean_value has a smaller tag, so it'll get encoded @@ -605,7 +606,12 @@ TEST_F(SerializerTest, BadTimestampValue_TooSmall) { Status(FirestoreErrorCode::DataLoss, "ignored"), bytes); } -TEST_F(SerializerTest, BadTag) { +TEST_F(SerializerTest, BadFieldValueTagAndNoOtherTagPresent) { + // A bad tag should be ignored. But if there are *no* valid tags, then we + // don't know the type of the FieldValue. Although it might be reasonable to + // assume some sort of default type in this situation, we've decided to fail + // the deserialization process in this case instead. + std::vector<uint8_t> bytes = EncodeFieldValue(&serializer, FieldValue::NullValue()); @@ -615,15 +621,56 @@ TEST_F(SerializerTest, BadTag) { // Specifically 31. 0xf8 represents field number 31 encoded as a varint. Mutate(&bytes[0], /*expected_initial_value=*/0x58, /*new_value=*/0xf8); - // TODO(rsgowman): The behaviour is *temporarily* slightly different during - // development; this will cause a failed assertion rather than a failed - // status. Remove this EXPECT_ANY_THROW statement (and reenable the - // following commented out statement) once the corresponding assert has been - // removed from serializer.cc. - EXPECT_ANY_THROW(ExpectFailedStatusDuringFieldValueDecode( - Status(FirestoreErrorCode::DataLoss, "ignored"), bytes)); - // ExpectFailedStatusDuringFieldValueDecode( - // Status(FirestoreErrorCode::DataLoss, "ignored"), bytes); + ExpectFailedStatusDuringFieldValueDecode( + Status(FirestoreErrorCode::DataLoss, "ignored"), bytes); +} + +TEST_F(SerializerTest, BadFieldValueTagWithOtherValidTagsPresent) { + // A bad tag should be ignored, in which case, we should successfully + // deserialize the rest of the bytes as if it wasn't there. To craft these + // bytes, we'll use the same technique as + // EncodesFieldValuesWithRepeatedEntries (so go read the comments there + // first). + + // Copy of the real one (from the nanopb generated document.pb.h), but with + // only boolean_value and integer_value. + struct google_firestore_v1beta1_Value_Fake { + bool boolean_value; + int64_t integer_value; + }; + + // Copy of the real one (from the nanopb generated document.pb.c), but with + // only boolean_value and integer_value. Also modified such that integer_value + // now has an invalid tag (instead of 2). + const int invalid_tag = 31; + const pb_field_t google_firestore_v1beta1_Value_fields_Fake[3] = { + PB_FIELD(1, BOOL, SINGULAR, STATIC, FIRST, + google_firestore_v1beta1_Value_Fake, boolean_value, + boolean_value, 0), + PB_FIELD(invalid_tag, INT64, SINGULAR, STATIC, OTHER, + google_firestore_v1beta1_Value_Fake, integer_value, + boolean_value, 0), + PB_LAST_FIELD, + }; + + // Craft the bytes. boolean_value has a smaller tag, so it'll get encoded + // first, normally implying integer_value should "win". Except that + // integer_value isn't a valid tag, so it should be ignored here. + google_firestore_v1beta1_Value_Fake crafty_value{false, int64_t{42}}; + std::vector<uint8_t> bytes(128); + pb_ostream_t stream = pb_ostream_from_buffer(bytes.data(), bytes.size()); + pb_encode(&stream, google_firestore_v1beta1_Value_fields_Fake, &crafty_value); + bytes.resize(stream.bytes_written); + + // Decode the bytes into the model + StatusOr<FieldValue> actual_model_status = serializer.DecodeFieldValue(bytes); + EXPECT_OK(actual_model_status); + FieldValue actual_model = actual_model_status.ValueOrDie(); + + // Ensure the decoded model is as expected. + FieldValue expected_model = FieldValue::BooleanValue(false); + EXPECT_EQ(FieldValue::Type::Boolean, actual_model.type()); + EXPECT_EQ(expected_model, actual_model); } TEST_F(SerializerTest, TagVarintWiretypeStringMismatch) { @@ -759,6 +806,69 @@ TEST_F(SerializerTest, EncodesNonEmptyDocument) { ExpectRoundTrip(key, fields, update_time, proto); } +TEST_F(SerializerTest, + BadBatchGetDocumentsResponseTagWithOtherValidTagsPresent) { + // A bad tag should be ignored, in which case, we should successfully + // deserialize the rest of the bytes as if it wasn't there. To craft these + // bytes, we'll use the same technique as + // EncodesFieldValuesWithRepeatedEntries (so go read the comments there + // first). + + // Copy of the real one (from the nanopb generated firestore.pb.h), but with + // only "missing" (a field from the original proto) and an extra_field. + struct google_firestore_v1beta1_BatchGetDocumentsResponse_Fake { + pb_callback_t missing; + int64_t extra_field; + }; + + // Copy of the real one (from the nanopb generated firestore.pb.c), but with + // only missing and an extra_field. Also modified such that extra_field + // now has a tag of 31. + const int invalid_tag = 31; + const pb_field_t + google_firestore_v1beta1_BatchGetDocumentsResponse_fields_Fake[3] = { + PB_FIELD(2, STRING, SINGULAR, CALLBACK, FIRST, + google_firestore_v1beta1_BatchGetDocumentsResponse_Fake, + missing, missing, 0), + PB_FIELD(invalid_tag, INT64, SINGULAR, STATIC, OTHER, + google_firestore_v1beta1_BatchGetDocumentsResponse_Fake, + extra_field, missing, 0), + PB_LAST_FIELD, + }; + + const char* missing_value = "projects/p/databases/d/documents/one/two"; + google_firestore_v1beta1_BatchGetDocumentsResponse_Fake crafty_value; + crafty_value.missing.funcs.encode = + [](pb_ostream_t* stream, const pb_field_t* field, void* const* arg) { + const char* missing_value = static_cast<const char*>(*arg); + if (!pb_encode_tag_for_field(stream, field)) return false; + return pb_encode_string(stream, + reinterpret_cast<const uint8_t*>(missing_value), + strlen(missing_value)); + }; + crafty_value.missing.arg = const_cast<char*>(missing_value); + crafty_value.extra_field = 42; + + std::vector<uint8_t> bytes(128); + pb_ostream_t stream = pb_ostream_from_buffer(bytes.data(), bytes.size()); + pb_encode(&stream, + google_firestore_v1beta1_BatchGetDocumentsResponse_fields_Fake, + &crafty_value); + bytes.resize(stream.bytes_written); + + // Decode the bytes into the model + StatusOr<std::unique_ptr<MaybeDocument>> actual_model_status = + serializer.DecodeMaybeDocument(bytes); + EXPECT_OK(actual_model_status); + std::unique_ptr<MaybeDocument> actual_model = + std::move(actual_model_status).ValueOrDie(); + + // Ensure the decoded model is as expected. + NoDocument expected_model = + NoDocument(Key("one/two"), SnapshotVersion::None()); + EXPECT_EQ(expected_model, *actual_model.get()); +} + TEST_F(SerializerTest, DecodesNoDocument) { // We can't actually *encode* a NoDocument; the method exposed by the // serializer requires both the document key and contents (as an ObjectValue, |