This function is implemented using gMock's MOCK_METHOD().
Consult the gMock documentation to use this mock in your tests.
Returns
Type
Description
StatusOr< spanner::Row >
if the stream is interrupted due to a failure the StatusOr<spanner::Row> contains the error. The function returns a successful StatusOr<> with an empty spanner::Row to indicate end-of-stream.
Metadata()
Returns metadata about the result set, such as the field types and the transaction id created by the request.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-22 UTC."],[[["\u003cp\u003eThis page provides documentation for the \u003ccode\u003eMockResultSetSource\u003c/code\u003e class, which is used to mock the results of \u003ccode\u003eExecuteQuery()\u003c/code\u003e or \u003ccode\u003eRead()\u003c/code\u003e operations in Cloud Spanner's C++ client.\u003c/p\u003e\n"],["\u003cp\u003eThe page includes a list of available versions for the \u003ccode\u003eMockResultSetSource\u003c/code\u003e class, ranging from version 2.11.0 up to the latest release candidate version 2.37.0-rc.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eMockResultSetSource\u003c/code\u003e class utilizes gMock's \u003ccode\u003eMOCK_METHOD()\u003c/code\u003e for functions like \u003ccode\u003eNextRow()\u003c/code\u003e, \u003ccode\u003eMetadata()\u003c/code\u003e, and \u003ccode\u003eStats()\u003c/code\u003e, allowing users to consult the gMock documentation for testing purposes.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eNextRow()\u003c/code\u003e function is detailed, returning either a \u003ccode\u003eStatusOr<spanner::Row>\u003c/code\u003e or an error status if there is a failure, and an empty \u003ccode\u003espanner::Row\u003c/code\u003e to signal the end of the stream.\u003c/p\u003e\n"],["\u003cp\u003eThe documentation links to further information on \u003ccode\u003eResultSetMetadata\u003c/code\u003e and \u003ccode\u003eResultSetStats\u003c/code\u003e within Cloud Spanner, enabling users to dive deeper into the functionality.\u003c/p\u003e\n"]]],[],null,["# Class MockResultSetSource (2.29.0)\n\nVersion 2.29.0keyboard_arrow_down\n\n- [2.42.0-rc (latest)](/cpp/docs/reference/spanner/latest/classgoogle_1_1cloud_1_1spanner__mocks_1_1MockResultSetSource)\n- [2.41.0](/cpp/docs/reference/spanner/2.41.0/classgoogle_1_1cloud_1_1spanner__mocks_1_1MockResultSetSource)\n- [2.40.0](/cpp/docs/reference/spanner/2.40.0/classgoogle_1_1cloud_1_1spanner__mocks_1_1MockResultSetSource)\n- [2.39.0](/cpp/docs/reference/spanner/2.39.0/classgoogle_1_1cloud_1_1spanner__mocks_1_1MockResultSetSource)\n- [2.38.0](/cpp/docs/reference/spanner/2.38.0/classgoogle_1_1cloud_1_1spanner__mocks_1_1MockResultSetSource)\n- [2.37.0](/cpp/docs/reference/spanner/2.37.0/classgoogle_1_1cloud_1_1spanner__mocks_1_1MockResultSetSource)\n- [2.36.0](/cpp/docs/reference/spanner/2.36.0/classgoogle_1_1cloud_1_1spanner__mocks_1_1MockResultSetSource)\n- [2.35.0](/cpp/docs/reference/spanner/2.35.0/classgoogle_1_1cloud_1_1spanner__mocks_1_1MockResultSetSource)\n- [2.34.0](/cpp/docs/reference/spanner/2.34.0/classgoogle_1_1cloud_1_1spanner__mocks_1_1MockResultSetSource)\n- [2.33.0](/cpp/docs/reference/spanner/2.33.0/classgoogle_1_1cloud_1_1spanner__mocks_1_1MockResultSetSource)\n- [2.32.0](/cpp/docs/reference/spanner/2.32.0/classgoogle_1_1cloud_1_1spanner__mocks_1_1MockResultSetSource)\n- [2.31.0](/cpp/docs/reference/spanner/2.31.0/classgoogle_1_1cloud_1_1spanner__mocks_1_1MockResultSetSource)\n- [2.30.0](/cpp/docs/reference/spanner/2.30.0/classgoogle_1_1cloud_1_1spanner__mocks_1_1MockResultSetSource)\n- [2.29.0](/cpp/docs/reference/spanner/2.29.0/classgoogle_1_1cloud_1_1spanner__mocks_1_1MockResultSetSource)\n- [2.28.0](/cpp/docs/reference/spanner/2.28.0/classgoogle_1_1cloud_1_1spanner__mocks_1_1MockResultSetSource)\n- [2.27.0](/cpp/docs/reference/spanner/2.27.0/classgoogle_1_1cloud_1_1spanner__mocks_1_1MockResultSetSource)\n- [2.26.0](/cpp/docs/reference/spanner/2.26.0/classgoogle_1_1cloud_1_1spanner__mocks_1_1MockResultSetSource)\n- [2.25.1](/cpp/docs/reference/spanner/2.25.1/classgoogle_1_1cloud_1_1spanner__mocks_1_1MockResultSetSource)\n- [2.24.0](/cpp/docs/reference/spanner/2.24.0/classgoogle_1_1cloud_1_1spanner__mocks_1_1MockResultSetSource)\n- [2.23.0](/cpp/docs/reference/spanner/2.23.0/classgoogle_1_1cloud_1_1spanner__mocks_1_1MockResultSetSource)\n- [2.22.1](/cpp/docs/reference/spanner/2.22.1/classgoogle_1_1cloud_1_1spanner__mocks_1_1MockResultSetSource)\n- [2.21.0](/cpp/docs/reference/spanner/2.21.0/classgoogle_1_1cloud_1_1spanner__mocks_1_1MockResultSetSource)\n- [2.20.0](/cpp/docs/reference/spanner/2.20.0/classgoogle_1_1cloud_1_1spanner__mocks_1_1MockResultSetSource)\n- [2.19.0](/cpp/docs/reference/spanner/2.19.0/classgoogle_1_1cloud_1_1spanner__mocks_1_1MockResultSetSource)\n- [2.18.0](/cpp/docs/reference/spanner/2.18.0/classgoogle_1_1cloud_1_1spanner__mocks_1_1MockResultSetSource)\n- [2.17.0](/cpp/docs/reference/spanner/2.17.0/classgoogle_1_1cloud_1_1spanner__mocks_1_1MockResultSetSource)\n- [2.16.0](/cpp/docs/reference/spanner/2.16.0/classgoogle_1_1cloud_1_1spanner__mocks_1_1MockResultSetSource)\n- [2.15.1](/cpp/docs/reference/spanner/2.15.1/classgoogle_1_1cloud_1_1spanner__mocks_1_1MockResultSetSource)\n- [2.14.0](/cpp/docs/reference/spanner/2.14.0/classgoogle_1_1cloud_1_1spanner__mocks_1_1MockResultSetSource)\n- [2.13.0](/cpp/docs/reference/spanner/2.13.0/classgoogle_1_1cloud_1_1spanner__mocks_1_1MockResultSetSource)\n- [2.12.0](/cpp/docs/reference/spanner/2.12.0/classgoogle_1_1cloud_1_1spanner__mocks_1_1MockResultSetSource)\n- [2.11.0](/cpp/docs/reference/spanner/2.11.0/classgoogle_1_1cloud_1_1spanner__mocks_1_1MockResultSetSource) \nMock the results of a ExecuteQuery() or Read() operation. \n\n###### See Also\n\n[Mocking the Cloud Spanner C++ Client with Google Mock](/cpp/docs/reference/spanner/2.29.0/spanner-mocking) for an example using this class.\n\nFunctions\n---------\n\n### NextRow()\n\nReturns the next row in the stream. \nThis function is implemented using [gMock](https://google.github.io/googletest)'s `MOCK_METHOD()`.\nConsult the gMock documentation to use this mock in your tests.\n\n### Metadata()\n\nReturns metadata about the result set, such as the field types and the transaction id created by the request. \n\n###### See Also\n\n\u003chttps://cloud.google.com/spanner/docs/reference/rpc/google.spanner.v1#resultsetmetadata\u003e for more information.\n\nThis function is implemented using [gMock](https://google.github.io/googletest)'s `MOCK_METHOD()`.\nConsult the gMock documentation to use this mock in your tests.\n\n### Stats() const\n\nReturns statistics about the result set, such as the number of rows, and the query plan used to compute the results. \n\n###### See Also\n\n\u003chttps://cloud.google.com/spanner/docs/reference/rpc/google.spanner.v1#resultsetstats\u003e for more information.\n\nThis function is implemented using [gMock](https://google.github.io/googletest)'s `MOCK_METHOD()`.\nConsult the gMock documentation to use this mock in your tests."]]
