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PYTHON-5773 Increase uri_parser_shared.py coverage to 81%#2758

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aclark4life:PYTHON-5773
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PYTHON-5773 Increase uri_parser_shared.py coverage to 81%#2758
aclark4life wants to merge 1 commit intomongodb:masterfrom
aclark4life:PYTHON-5773

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@aclark4life aclark4life commented Apr 15, 2026

PYTHON-5773

Changes in this PR

Add 11 new test methods to test_uri_parser.py covering previously untested branches:

  • _unquoted_percent direct branch coverage
  • parse_ipv6_literal_host direct branch coverage
  • parse_host case normalization and port boundaries
  • TLS option conflicts in _handle_security_options
  • Mixed option delimiters
  • Duplicate option warnings
  • Empty authSource rejection
  • _check_options conflicts (directConnection/loadBalanced)
  • SRV URI structural validation

Test Plan

Checklist

Checklist for Author

  • Did you update the changelog (if necessary)?
  • Is there test coverage?
  • Is any followup work tracked in a JIRA ticket? If so, add link(s).

Checklist for Reviewer

  • Does the title of the PR reference a JIRA Ticket?
  • Do you fully understand the implementation? (Would you be comfortable explaining how this code works to someone else?)
  • Is all relevant documentation (README or docstring) updated?

Add 11 new test methods to test_uri_parser.py covering previously
untested branches: _unquoted_percent, parse_ipv6_literal_host,
parse_host (case normalization and port boundaries), TLS option
conflicts in _handle_security_options, mixed option delimiters,
duplicate option warnings, empty authSource, _check_options
conflicts (directConnection/loadBalanced), and SRV URI structural
validation.
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Pull request overview

This PR increases branch/line coverage for pymongo/uri_parser_shared.py by adding focused unit tests in test/test_uri_parser.py, targeting previously untested validation and option-parsing paths.

Changes:

  • Add direct tests for _unquoted_percent, parse_ipv6_literal_host, and parse_host (case normalization + port boundary handling).
  • Add tests for URI option parsing/validation edge cases (TLS conflicts, mixed delimiters, duplicate-option warnings, empty authSource).
  • Add tests for URI structural validation, including SRV-specific constraints and option incompatibilities.

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codecov-commenter commented Apr 15, 2026

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 87.85%. Comparing base (f41dd5c) to head (71cc4b4).
⚠️ Report is 3 commits behind head on master.

Additional details and impacted files
@@            Coverage Diff             @@
##           master    #2758      +/-   ##
==========================================
+ Coverage   82.33%   87.85%   +5.52%     
==========================================
  Files         141      141              
  Lines       24396    24520     +124     
  Branches     4172     4234      +62     
==========================================
+ Hits        20087    21543    +1456     
+ Misses       3413     2075    -1338     
- Partials      896      902       +6     
Flag Coverage Δ
auth-aws-rhel8-test-auth-aws-rapid-web-identity-python3.14-cov 35.02% <ø> (ø)
auth-aws-win64-test-auth-aws-rapid-web-identity-python3.14-cov 35.04% <ø> (+0.02%) ⬆️
auth-enterprise-macos-test-standard-auth-latest-python3.11-auth-ssl-sharded-cluster-cov 43.77% <ø> (ø)
auth-enterprise-rhel8-test-standard-auth-latest-python3.11-auth-ssl-sharded-cluster-cov 43.76% <ø> (ø)
auth-enterprise-win64-test-standard-auth-latest-python3.11-auth-ssl-sharded-cluster-cov 43.78% <ø> (-0.04%) ⬇️
auth-oidc-local-ubuntu-22-test-auth-oidc-default 48.62% <ø> (?)
compression-snappy-rhel8-test-standard-latest-python3.11-async-noauth-nossl-standalone-cov 55.11% <ø> (+0.02%) ⬆️
compression-snappy-rhel8-test-standard-latest-python3.12-async-noauth-ssl-replica-set-cov 61.39% <ø> (+<0.01%) ⬆️
compression-snappy-rhel8-test-standard-latest-python3.13-async-auth-ssl-sharded-cluster-cov 56.53% <ø> (ø)
compression-snappy-rhel8-test-standard-latest-python3.14-async-noauth-nossl-standalone-cov 54.74% <ø> (+<0.01%) ⬆️
compression-zlib-rhel8-test-standard-latest-python3.11-async-noauth-nossl-standalone-cov 55.09% <ø> (+<0.01%) ⬆️
compression-zlib-rhel8-test-standard-latest-python3.12-async-noauth-ssl-replica-set-cov 61.39% <ø> (ø)
compression-zlib-rhel8-test-standard-latest-python3.13-async-auth-ssl-sharded-cluster-cov 56.53% <ø> (ø)
compression-zlib-rhel8-test-standard-latest-python3.14-async-noauth-nossl-standalone-cov 54.74% <ø> (+0.01%) ⬆️
compression-zstd-rhel8-test-standard-latest-python3.11-async-noauth-nossl-standalone-cov 55.08% <ø> (ø)
compression-zstd-rhel8-test-standard-latest-python3.12-async-noauth-ssl-replica-set-cov 61.39% <ø> (-0.01%) ⬇️
compression-zstd-rhel8-test-standard-latest-python3.13-async-auth-ssl-sharded-cluster-cov 56.53% <ø> (+<0.01%) ⬆️
compression-zstd-rhel8-test-standard-latest-python3.14-async-noauth-nossl-standalone-cov 54.74% <ø> (-0.01%) ⬇️
compression-zstd-ubuntu-22-test-standard-latest-python3.14-async-noauth-nossl-standalone-cov 54.72% <ø> (+0.01%) ⬆️
coverage-report-coverage-report 87.84% <ø> (+5.69%) ⬆️
disable-test-commands-rhel8-test-standard-latest-python3.11-async-noauth-nossl-standalone-cov 55.09% <ø> (+0.01%) ⬆️
disable-test-commands-rhel8-test-standard-latest-python3.12-async-noauth-ssl-replica-set-cov 61.39% <ø> (-0.01%) ⬇️
disable-test-commands-rhel8-test-standard-latest-python3.13-async-auth-ssl-sharded-cluster-cov 56.53% <ø> (ø)
disable-test-commands-rhel8-test-standard-latest-python3.14-async-noauth-nossl-standalone-cov 54.74% <ø> (+0.01%) ⬆️
encryption-crypt_shared-macos-test-non-standard-latest-python3.13-noauth-nossl-standalone-cov 52.73% <ø> (?)
encryption-crypt_shared-macos-test-non-standard-latest-python3.14-auth-ssl-sharded-cluster-cov 54.60% <ø> (?)
encryption-crypt_shared-macos-test-non-standard-latest-python3.14t-noauth-ssl-replica-set-cov 54.41% <ø> (?)
encryption-crypt_shared-rhel8-test-non-standard-latest-python3.13-noauth-nossl-standalone-cov 52.73% <ø> (?)
encryption-crypt_shared-rhel8-test-non-standard-latest-python3.14-auth-ssl-sharded-cluster-cov 54.48% <ø> (?)
encryption-crypt_shared-rhel8-test-non-standard-latest-python3.14t-noauth-ssl-replica-set-cov 54.41% <ø> (?)
encryption-crypt_shared-win64-test-non-standard-latest-python3.13-noauth-nossl-standalone-cov 52.68% <ø> (?)
encryption-crypt_shared-win64-test-non-standard-latest-python3.14-auth-ssl-sharded-cluster-cov 54.52% <ø> (?)
encryption-crypt_shared-win64-test-non-standard-latest-python3.14t-noauth-ssl-replica-set-cov 54.46% <ø> (?)
encryption-macos-test-non-standard-latest-python3.13-noauth-nossl-standalone-cov 52.74% <ø> (?)
encryption-macos-test-non-standard-latest-python3.14-auth-ssl-sharded-cluster-cov 54.63% <ø> (?)
encryption-macos-test-non-standard-latest-python3.14t-noauth-ssl-replica-set-cov 54.42% <ø> (?)
encryption-pyopenssl-rhel8-test-non-standard-latest-python3.13-noauth-nossl-standalone-cov 53.41% <ø> (?)
encryption-pyopenssl-rhel8-test-non-standard-latest-python3.14-auth-ssl-sharded-cluster-cov 55.17% <ø> (?)
encryption-pyopenssl-rhel8-test-non-standard-latest-python3.14t-noauth-ssl-replica-set-cov 55.08% <ø> (?)
encryption-rhel8-test-non-standard-latest-python3.13-noauth-nossl-standalone-cov 52.73% <ø> (?)
encryption-rhel8-test-non-standard-latest-python3.14-auth-ssl-sharded-cluster-cov 54.48% <ø> (?)
encryption-rhel8-test-non-standard-latest-python3.14t-noauth-ssl-replica-set-cov 54.42% <ø> (?)
encryption-win64-test-non-standard-latest-python3.13-noauth-nossl-standalone-cov 52.63% <ø> (?)
encryption-win64-test-non-standard-latest-python3.14-auth-ssl-sharded-cluster-cov 54.59% <ø> (?)
encryption-win64-test-non-standard-latest-python3.14t-noauth-ssl-replica-set-cov 54.50% <ø> (?)
load-balancer-test-non-standard-latest-python3.14-auth-ssl-sharded-cluster-cov 48.39% <ø> (?)
mongodb-latest-test-server-version-python3.10-async-auth-ssl-sharded-cluster-min-deps-cov 56.94% <ø> (+<0.01%) ⬆️
mongodb-latest-test-server-version-python3.10-async-noauth-nossl-standalone-min-deps-cov 55.10% <ø> (ø)
mongodb-latest-test-server-version-python3.10-sync-auth-ssl-sharded-cluster-min-deps-cov 59.33% <ø> (+0.03%) ⬆️
mongodb-latest-test-server-version-python3.10-sync-noauth-nossl-replica-set-min-deps-cov 59.44% <ø> (+0.03%) ⬆️
mongodb-latest-test-server-version-python3.11-async-noauth-nossl-replica-set-cov 61.30% <ø> (+<0.01%) ⬆️
mongodb-rapid-test-server-version-python3.10-async-auth-ssl-sharded-cluster-min-deps-cov 56.95% <ø> (-0.01%) ⬇️
mongodb-rapid-test-server-version-python3.10-async-noauth-nossl-standalone-min-deps-cov 55.11% <ø> (+<0.01%) ⬆️
mongodb-rapid-test-server-version-python3.10-sync-auth-ssl-sharded-cluster-min-deps-cov 59.33% <ø> (+0.03%) ⬆️
mongodb-rapid-test-server-version-python3.10-sync-noauth-nossl-replica-set-min-deps-cov 59.44% <ø> (+0.03%) ⬆️
mongodb-rapid-test-server-version-python3.11-async-noauth-nossl-replica-set-cov 61.29% <ø> (ø)
mongodb-v4.2-test-server-version-python3.10-async-auth-ssl-sharded-cluster-min-deps-cov 54.54% <ø> (+<0.01%) ⬆️
mongodb-v4.2-test-server-version-python3.10-async-noauth-nossl-standalone-min-deps-cov 53.00% <ø> (+0.02%) ⬆️
mongodb-v4.2-test-server-version-python3.10-sync-auth-ssl-sharded-cluster-min-deps-cov 56.90% <ø> (+0.03%) ⬆️
mongodb-v4.2-test-server-version-python3.10-sync-noauth-nossl-replica-set-min-deps-cov 57.02% <ø> (+0.03%) ⬆️
mongodb-v4.2-test-server-version-python3.11-async-noauth-nossl-replica-set-cov 54.67% <ø> (-0.01%) ⬇️
mongodb-v4.4-test-server-version-python3.10-async-auth-ssl-sharded-cluster-min-deps-cov 55.03% <ø> (+0.01%) ⬆️
mongodb-v4.4-test-server-version-python3.10-async-noauth-nossl-standalone-min-deps-cov 53.35% <ø> (ø)
mongodb-v4.4-test-server-version-python3.10-sync-auth-ssl-sharded-cluster-min-deps-cov 57.40% <ø> (+0.03%) ⬆️
mongodb-v4.4-test-server-version-python3.10-sync-noauth-nossl-replica-set-min-deps-cov 57.49% <ø> (+0.03%) ⬆️
mongodb-v4.4-test-server-version-python3.11-async-noauth-nossl-replica-set-cov 55.08% <ø> (-0.01%) ⬇️
mongodb-v5.0-test-server-version-python3.10-async-auth-ssl-sharded-cluster-min-deps-cov 55.21% <ø> (-0.02%) ⬇️
mongodb-v5.0-test-server-version-python3.10-async-noauth-nossl-standalone-min-deps-cov 53.49% <ø> (-0.03%) ⬇️
mongodb-v5.0-test-server-version-python3.10-sync-auth-ssl-sharded-cluster-min-deps-cov 57.59% <ø> (+0.03%) ⬆️
mongodb-v5.0-test-server-version-python3.10-sync-noauth-nossl-replica-set-min-deps-cov 57.72% <ø> (+0.03%) ⬆️
mongodb-v5.0-test-server-version-python3.11-async-noauth-nossl-replica-set-cov 55.31% <ø> (-0.01%) ⬇️
mongodb-v6.0-test-server-version-python3.10-async-auth-ssl-sharded-cluster-min-deps-cov 55.26% <ø> (+<0.01%) ⬆️
mongodb-v6.0-test-server-version-python3.10-async-noauth-nossl-standalone-min-deps-cov 53.52% <ø> (ø)
mongodb-v6.0-test-server-version-python3.10-sync-auth-ssl-sharded-cluster-min-deps-cov 57.61% <ø> (+0.03%) ⬆️
mongodb-v6.0-test-server-version-python3.10-sync-noauth-nossl-replica-set-min-deps-cov 57.77% <ø> (+0.03%) ⬆️
mongodb-v6.0-test-server-version-python3.11-async-noauth-nossl-replica-set-cov 59.62% <ø> (+0.01%) ⬆️
mongodb-v7.0-test-server-version-python3.10-async-auth-ssl-sharded-cluster-min-deps-cov 55.27% <ø> (-0.01%) ⬇️
mongodb-v7.0-test-server-version-python3.10-async-noauth-nossl-standalone-min-deps-cov 53.51% <ø> (ø)
mongodb-v7.0-test-server-version-python3.10-sync-auth-ssl-sharded-cluster-min-deps-cov 57.67% <ø> (+0.03%) ⬆️
mongodb-v7.0-test-server-version-python3.10-sync-noauth-nossl-replica-set-min-deps-cov 57.77% <ø> (+0.03%) ⬆️
mongodb-v7.0-test-server-version-python3.11-async-noauth-nossl-replica-set-cov 59.61% <ø> (+<0.01%) ⬆️
mongodb-v8.0-test-server-version-python3.10-async-auth-ssl-sharded-cluster-min-deps-cov 56.94% <ø> (ø)
mongodb-v8.0-test-server-version-python3.10-async-noauth-nossl-standalone-min-deps-cov 55.11% <ø> (+<0.01%) ⬆️
mongodb-v8.0-test-server-version-python3.10-sync-auth-ssl-sharded-cluster-min-deps-cov 59.33% <ø> (+0.03%) ⬆️
mongodb-v8.0-test-server-version-python3.10-sync-noauth-nossl-replica-set-min-deps-cov 59.44% <ø> (+0.03%) ⬆️
mongodb-v8.0-test-server-version-python3.11-async-noauth-nossl-replica-set-cov 61.30% <ø> (ø)
no-c-ext-rhel8-test-standard-latest-python3.11-async-noauth-nossl-standalone-cov 56.29% <ø> (-0.01%) ⬇️
no-c-ext-rhel8-test-standard-latest-python3.12-async-noauth-ssl-replica-set-cov 62.60% <ø> (+<0.01%) ⬆️
no-c-ext-rhel8-test-standard-latest-python3.13-async-auth-ssl-sharded-cluster-cov 57.74% <ø> (ø)
no-c-ext-rhel8-test-standard-latest-python3.14-async-noauth-nossl-standalone-cov 55.94% <ø> (ø)
ocsp-rhel8-test-ocsp-ecdsa-valid-cert-server-staples-latest-python3.14-cov 34.09% <ø> (ø)
ocsp-rhel8-test-ocsp-rsa-valid-cert-server-staples-latest-python3.14-cov 34.09% <ø> (ø)
pyopenssl-macos-test-standard-latest-python3.12-async-noauth-ssl-replica-set-cov 61.64% <ø> (?)
pyopenssl-rhel8-test-standard-latest-python3.12-async-noauth-ssl-replica-set-cov 61.64% <ø> (?)
pyopenssl-win64-test-standard-latest-python3.12-async-noauth-ssl-replica-set-cov 61.59% <ø> (?)
stable-api-accept-v2-rhel8-auth-test-standard-latest-python3.11-async-noauth-nossl-standalone-cov 55.09% <ø> (+0.01%) ⬆️
stable-api-accept-v2-rhel8-auth-test-standard-latest-python3.14-async-noauth-nossl-standalone-cov 54.74% <ø> (+<0.01%) ⬆️
stable-api-require-v1-rhel8-auth-test-standard-latest-python3.11-async-noauth-nossl-standalone-cov 55.06% <ø> (-0.01%) ⬇️
stable-api-require-v1-rhel8-auth-test-standard-latest-python3.13-async-auth-ssl-sharded-cluster-cov 56.40% <ø> (-0.02%) ⬇️
stable-api-require-v1-rhel8-auth-test-standard-latest-python3.14-async-noauth-nossl-standalone-cov 54.72% <ø> (ø)
storage-inmemory-rhel8-test-standard-latest-python3.11-async-noauth-nossl-standalone-cov 55.09% <ø> (+<0.01%) ⬆️
storage-inmemory-rhel8-test-standard-latest-python3.14-async-noauth-nossl-standalone-cov 54.74% <ø> (ø)
test-macos-arm64-test-standard-latest-python3.11-async-noauth-nossl-standalone-cov 55.05% <ø> (-0.01%) ⬇️
test-macos-arm64-test-standard-latest-python3.12-async-noauth-ssl-replica-set-cov 61.38% <ø> (ø)
test-macos-arm64-test-standard-latest-python3.13-async-auth-ssl-sharded-cluster-cov 56.52% <ø> (+<0.01%) ⬆️
test-macos-arm64-test-standard-latest-python3.14-async-noauth-nossl-standalone-cov 54.71% <ø> (ø)
test-macos-test-standard-latest-python3.11-async-noauth-nossl-standalone-cov 55.06% <ø> (-0.02%) ⬇️
test-macos-test-standard-latest-python3.12-async-noauth-ssl-replica-set-cov 61.38% <ø> (+<0.01%) ⬆️
test-macos-test-standard-latest-python3.13-async-auth-ssl-sharded-cluster-cov 56.52% <ø> (ø)
test-macos-test-standard-latest-python3.14-async-noauth-nossl-standalone-cov 54.72% <ø> (ø)
test-numpy-macos-arm64-test-numpy-python3.14-python3.14-cov 32.64% <ø> (+0.01%) ⬆️
test-numpy-macos-test-numpy-python3.14-python3.14-cov 32.62% <ø> (-0.02%) ⬇️
test-numpy-rhel8-test-numpy-python3.14-python3.14-cov 32.62% <ø> (ø)
test-numpy-win32-test-numpy-python3.14-python3.14-cov 32.60% <ø> (+0.01%) ⬆️
test-numpy-win64-test-numpy-python3.14-python3.14-cov 32.59% <ø> (-0.02%) ⬇️
test-win32-test-standard-latest-python3.11-async-noauth-nossl-standalone-cov 54.93% <ø> (-0.01%) ⬇️
test-win32-test-standard-latest-python3.12-async-noauth-ssl-replica-set-cov 61.36% <ø> (+<0.01%) ⬆️
test-win32-test-standard-latest-python3.13-async-auth-ssl-sharded-cluster-cov 56.46% <ø> (ø)
test-win32-test-standard-latest-python3.14-async-noauth-nossl-standalone-cov 54.58% <ø> (+<0.01%) ⬆️
test-win64-test-standard-latest-python3.11-async-noauth-nossl-standalone-cov 54.93% <ø> (-0.02%) ⬇️
test-win64-test-standard-latest-python3.12-async-noauth-ssl-replica-set-cov 61.34% <ø> (-0.02%) ⬇️
test-win64-test-standard-latest-python3.13-async-auth-ssl-sharded-cluster-cov 56.46% <ø> (ø)
test-win64-test-standard-latest-python3.14-async-noauth-nossl-standalone-cov 54.58% <ø> (+<0.01%) ⬆️

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