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Add uri options tests (#414)
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‎source/uri-options/tests/README.rst‎

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=======================
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URI Options Tests
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=======================
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The YAML and JSON files in this directory tree are platform-independent tests
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that drivers can use to prove their conformance to the URI Options spec.
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These tests use the same format as the Connection String spec tests.
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Version
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-------
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Files in the "specifications" repository have no version scheme. They are not
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tied to a MongoDB server version.
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Format
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------
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Each YAML file contains an object with a single ``tests`` key. This key is an
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array of test case objects, each of which have the following keys:
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- ``description``: A string describing the test.
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- ``uri``: A string containing the URI to be parsed.
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- ``valid``: A boolean indicating if the URI should be considered valid.
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This will always be true, as the Connection String spec tests the validity of the structure, but
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it's still included to make it easier to reuse the connection string spec test runners that
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drivers already have.
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- ``warning``: A boolean indicating whether URI parsing should emit a warning.
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- ``hosts``: Included for compatibility with the Connection String spec tests. This will always be ``~``.
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- ``auth``: Included for compatibility with the Connection String spec tests. This will always be ``~``.
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- ``options``: An object containing key/value pairs for each parsed query string
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option.
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If a test case includes a null value for one of these keys (e.g. ``auth: ~``,
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``hosts: ~``), no assertion is necessary. This both simplifies parsing of the
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test files (keys should always exist) and allows flexibility for drivers that
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might substitute default values *during* parsing (e.g. omitted ``hosts`` could be
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parsed as ``["localhost"]``).
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The ``valid`` and ``warning`` fields are boolean in order to keep the tests
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flexible. We are not concerned with asserting the format of specific error or
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warnings messages strings.
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Use as unit tests
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=================
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Testing whether a URI is valid or not requires testing whether URI parsing (or
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MongoClient construction) causes a warning due to a URI option being invalid and asserting that the
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options parsed from the URI match those listed in the ``options`` field.
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Note that there are tests for each of the options marked as optional; drivers will need to implement
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logic to skip over the optional tests that they don’t implement.

‎source/uri-options/tests/auth-options.json‎

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{
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"tests": [
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{
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"description": "Valid auth options are parsed correctly",
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"uri": "mongodb://foo:[email protected]/?authMechanism=GSSAPI&authMechanismProperties=SERVICE_NAME:other,CANONICALIZE_HOST_NAME:true&authSource=$external",
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"valid": true,
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"warning": false,
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"hosts": null,
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"auth": null,
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"options": {
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"authMechanism": "GSSAPI",
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"authMechanismProperties": {
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"SERVICE_NAME": "other",
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"CANONICALIZE_HOST_NAME": true
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},
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"authSource": "$external"
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}
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}
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]
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}

‎source/uri-options/tests/auth-options.yml‎

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tests:
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-
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description: "Valid auth options are parsed correctly"
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uri: "mongodb://foo:[email protected]/?authMechanism=GSSAPI&authMechanismProperties=SERVICE_NAME:other,CANONICALIZE_HOST_NAME:true&authSource=$external"
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valid: true
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warning: false
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hosts: ~
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auth: ~
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options:
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authMechanism: "GSSAPI"
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authMechanismProperties:
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SERVICE_NAME: "other"
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CANONICALIZE_HOST_NAME: true
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authSource: "$external"

‎source/uri-options/tests/ca.pem‎

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# This file exists solely for the purpose of facilitating drivers which check for the existence of files specified in the URI options at parse time.

‎source/uri-options/tests/cert.pem‎

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# This file exists solely for the purpose of facilitating drivers which check for the existence of files specified in the URI options at parse time.

‎source/uri-options/tests/client.pem‎

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# This file exists solely for the purpose of facilitating drivers which check for the existence of files specified in the URI options at parse time.

‎source/uri-options/tests/compression-options.json‎

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{
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"tests": [
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{
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"description": "Valid compression options are parsed correctly",
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"uri": "mongodb://example.com/?compressors=zlib&zlibCompressionLevel=9",
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"valid": true,
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"warning": false,
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"hosts": null,
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"auth": null,
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"options": {
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"compressors": [
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"zlib"
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],
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"zlibCompressionLevel": 9
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}
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},
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{
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"description": "Multiple compressors are parsed correctly",
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"uri": "mongodb://example.com/?compressors=snappy,zlib",
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"valid": true,
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"warning": true,
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"hosts": null,
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"auth": null,
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"options": {
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"compressors": [
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"snappy",
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"zlib"
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]
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}
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},
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{
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"description": "Non-numeric zlibCompressionLevel causes a warning",
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"uri": "mongodb://example.com/?compressors=zlib&zlibCompressionLevel=invalid",
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"valid": true,
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"warning": true,
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"hosts": null,
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"auth": null,
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"options": {}
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},
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{
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"description": "Too low zlibCompressionLevel causes a warning",
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"uri": "mongodb://example.com/?compressors=zlib&zlibCompressionLevel=-2",
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"valid": true,
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"warning": true,
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"hosts": null,
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"auth": null,
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"options": {}
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},
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{
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"description": "Too high zlibCompressionLevel causes a warning",
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"uri": "mongodb://example.com/?compressors=zlib&zlibCompressionLevel=10",
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"valid": true,
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"warning": true,
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"hosts": null,
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"auth": null,
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"options": {}
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}
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]
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}

‎source/uri-options/tests/compression-options.yml‎

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tests:
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-
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description: "Valid compression options are parsed correctly"
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uri: "mongodb://example.com/?compressors=zlib&zlibCompressionLevel=9"
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valid: true
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warning: false
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hosts: ~
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auth: ~
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options:
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compressors:
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- "zlib"
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zlibCompressionLevel: 9
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-
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description: "Multiple compressors are parsed correctly"
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uri: "mongodb://example.com/?compressors=snappy,zlib"
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valid: true
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warning: true
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hosts: ~
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auth: ~
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options:
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compressors:
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- "snappy"
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- "zlib"
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-
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description: "Non-numeric zlibCompressionLevel causes a warning"
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uri: "mongodb://example.com/?compressors=zlib&zlibCompressionLevel=invalid"
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valid: true
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warning: true
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hosts: ~
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auth: ~
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options: {}
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-
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description: "Too low zlibCompressionLevel causes a warning"
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uri: "mongodb://example.com/?compressors=zlib&zlibCompressionLevel=-2"
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valid: true
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warning: true
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hosts: ~
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auth: ~
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options: {}
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-
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description: "Too high zlibCompressionLevel causes a warning"
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uri: "mongodb://example.com/?compressors=zlib&zlibCompressionLevel=10"
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valid: true
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warning: true
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hosts: ~
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auth: ~
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options: {}
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‎source/uri-options/tests/concern-options.json‎

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{
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"tests": [
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{
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"description": "Valid read and write concern are parsed correctly",
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"uri": "mongodb://example.com/?readConcernLevel=majority&w=5&wTimeoutMS=30000&journal=false",
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"valid": true,
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"warning": false,
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"hosts": null,
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"auth": null,
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"options": {
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"readConcernLevel": "majority",
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"w": 5,
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"wTimeoutMS": 30000,
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"journal": false
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}
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},
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{
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"description": "Arbitrary string readConcernLevel does not cause a warning",
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"uri": "mongodb://example.com/?readConcernLevel=arbitraryButStillValid",
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"valid": true,
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"warning": false,
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"hosts": null,
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"auth": null,
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"options": {
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"readConcernLevel": "arbitraryButStillValid"
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}
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},
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{
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"description": "Arbitrary string w doesn't cause a warning",
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"uri": "mongodb://example.com/?w=arbitraryButStillValid",
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"valid": true,
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"warning": false,
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"hosts": null,
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"auth": null,
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"options": {
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"w": "arbitraryButStillValid"
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}
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},
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{
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"description": "Too low w causes a warning",
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"uri": "mongodb://example.com/?w=-2",
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"valid": true,
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"warning": true,
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"hosts": null,
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"auth": null,
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"options": {}
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},
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{
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"description": "Non-numeric wTimeoutMS causes a warning",
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"uri": "mongodb://example.com/?wTimeoutMS=invalid",
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"valid": true,
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"warning": true,
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"hosts": null,
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"auth": null,
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"options": {}
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},
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{
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"description": "Too low wTimeoutMS causes a warning",
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"uri": "mongodb://example.com/?wTimeoutMS=-2",
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"valid": true,
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"warning": true,
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"hosts": null,
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"auth": null,
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"options": {}
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},
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{
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"description": "Invalid journal causes a warning",
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"uri": "mongodb://example.com/?journal=invalid",
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"valid": true,
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"warning": true,
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"hosts": null,
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"auth": null,
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"options": {}
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}
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]
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}

‎source/uri-options/tests/concern-options.yml‎

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tests:
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-
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description: "Valid read and write concern are parsed correctly"
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uri: "mongodb://example.com/?readConcernLevel=majority&w=5&wTimeoutMS=30000&journal=false"
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valid: true
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warning: false
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hosts: ~
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auth: ~
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options:
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readConcernLevel: "majority"
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w: 5
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wTimeoutMS: 30000
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journal: false
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-
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description: "Arbitrary string readConcernLevel does not cause a warning"
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uri: "mongodb://example.com/?readConcernLevel=arbitraryButStillValid"
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valid: true
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warning: false
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hosts: ~
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auth: ~
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options:
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readConcernLevel: "arbitraryButStillValid"
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-
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description: "Arbitrary string w doesn't cause a warning"
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uri: "mongodb://example.com/?w=arbitraryButStillValid"
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valid: true
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warning: false
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hosts: ~
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auth: ~
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options:
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w: "arbitraryButStillValid"
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-
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description: "Non-numeric wTimeoutMS causes a warning"
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uri: "mongodb://example.com/?wTimeoutMS=invalid"
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valid: true
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warning: true
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hosts: ~
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auth: ~
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options: {}
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-
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description: "Too low wTimeoutMS causes a warning"
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uri: "mongodb://example.com/?wTimeoutMS=-2"
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valid: true
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warning: true
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hosts: ~
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auth: ~
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options: {}
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-
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description: "Invalid journal causes a warning"
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uri: "mongodb://example.com/?journal=invalid"
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valid: true
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warning: true
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hosts: ~
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auth: ~
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options: {}

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