refactor(test/blackbox): extract shared push/pull helpers (#4132) * refactor(test/blackbox): extract shared push/pull helpers Move duplicated push/pull/regclient/oras/helm helper functions out of fips140.bats, pushpull.bats and helpers_upgrade.bash into a single helpers_pushpull.bash, then have all three suites load from there. The helpers now share verify_prerequisites, get_zot_port, common assertion helpers (catalog/tag presence, OCI index ref name) and the regclient pagination listing. helpers_upgrade.bash keeps only the test_release_* and test_new_* wrappers that compose those helpers. Net effect: ~1000 lines of duplicated test scaffolding removed across the four files; behavior of the existing test cases is preserved. Refs: #3727 Signed-off-by: Akash Kumar * refactor(test/blackbox): share pushpull lifecycle and dedupe authn helpers Build on the shared helpers_pushpull.bash to remove more duplicated blackbox scaffolding: - Add pushpull_setup_file/pushpull_teardown/pushpull_teardown_file keyed on PUSHPULL_FIPS_MODE so pushpull.bats and fips140.bats only set the flag and delegate lifecycle, instead of each carrying a near-identical setup_file/teardown. - Add helpers_pushpull_authn.bash (loaded by pushpull_authn.bats and fips140_authn.bats) for shared htpasswd setup, FIPS vs non-FIPS config and teardown, and the regclient/OCI/ML test helpers; both authn suites collapse to one-line @test bodies keyed on PUSHPULL_AUTHN_FIPS_MODE. - Make each authn helper self-sufficient by performing its own regctl login, removing the hidden dependency on the first test having logged in. - Split the implicit manifest delete out of helper_pull_image_index_and_delete into a standalone helper_delete_manifest, surfaced as its own "delete image index" @test in the pushpull, fips140 and upgrade suites, so the delete is explicit and no longer an order-fragile side effect of a pull. Refs: #3727 Signed-off-by: Andrei Aaron * fix(test/blackbox): harden flaky oras pull and sync signature tests Set org.opencontainers.image.title on oras artifact push and verify pull both via oras pull and manifest/blob fetch. Add retry_until_success and use it for periodic notation/cosign signature sync checks on slow CI. Signed-off-by: Andrei Aaron * fix(test/blackbox): address Copilot review feedback in push/pull helpers Use curl --fail for manifest deletes so HTTP errors fail the test. Remove the duplicate regctl --format flag in helper_push_manifest_with_regclient. Harden helper_authn_ml_artifacts with run and status checks, using a binary-safe shell redirect for the ONNX artifact round-trip. Signed-off-by: Andrei Aaron * fix(test/blackbox): isolate pushpull helper temp files and prerequisites Write oras artifact and docker build files under BATS_TEST_TMPDIR instead of the test working directory, and check git/docker in verify_prerequisites for clearer failures when running bats directly. Signed-off-by: Andrei Aaron * fix(test): use verify_prerequisites exit status in bats setup Replace `$(verify_prerequisites)` with a direct call across blackbox and scale-out suites. Signed-off-by: Andrei Aaron * fix(test/blackbox): unify blackbox log path to zot/zot-log.json Drop the FIPS vs non-FIPS split between zot-log.json and zot.log in pushpull, authn, and upgrade helpers. Signed-off-by: Andrei Aaron * refactor(test/blackbox): loop over tools in verify_prerequisites Replace repeated command -v checks with a single loop over curl, jq, git, and docker. Signed-off-by: Andrei Aaron * refactor(test/blackbox): fix exit code for retry_until_success Signed-off-by: Andrei Aaron * refactor(test/blackbox): inline upgrade tests and drop helpers_upgrade Call helper_* directly from upgrade.bats and upgrade_minimal.bats, load helpers_pushpull in those suites, and move teardown there. Remove helpers_upgrade.bash now that the release/new wrappers are gone. Signed-off-by: Andrei Aaron * refactor(test/blackbox): require explicit args on pushpull helpers Drop parameter defaults from shared push/pull helpers and pass image, repository, and pagination values explicitly at each call site. Signed-off-by: Andrei Aaron * fix(test/blackbox): clarify docker push/pull negative test naming Rename helper_push_docker_image to helper_build_docker_image_push_and_pull and update test titles to reflect build plus expected push/pull failures without the docker compatibility extension. Signed-off-by: Andrei Aaron * fix(test/blackbox): isolate regctl config per BATS suite regctl persists login and TLS settings on disk, so push/pull blackbox tests could leak state into ~/.regctl/config.json across suites. Point REGCTL_CONFIG at BATS_FILE_TMPDIR for pushpull, authn, and upgrade suites, configure TLS once in authn setup, and drop redundant logout and per-login TLS setup. Signed-off-by: Andrei Aaron * fix(test/blackbox): harden upgrade suite log dump on failure Touch zot-log.json during upgrade setup and only cat it in teardown when the file exists, so a missing log cannot mask the underlying test failure. Signed-off-by: Andrei Aaron --------- Signed-off-by: Akash Kumar Signed-off-by: Andrei Aaron Co-authored-by: Akash Kumar

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[Refactor]: BATS tests under tests/blackbox have lot of duplicate code and test cases #3727

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