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Add tests for internal/storage — the backend abstraction has zero coverage #66

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opened 2026-08-09 03:41:40 +02:00 by clawbot · 1 comment
clawbot commented 2026-08-09 03:41:40 +02:00
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internal/storage is the pluggable storage backend the README headlines
at :51, and it has no test files at all.

Source files with zero coverage: storer.go, s3.go, file.go,
rclone.go, url.go, module.go.

url.go (142 lines) parses s3://, file://, and rclone:// URLs
including query parameters, and decides which backend gets constructed.
A parsing bug there silently sends backups to the wrong destination. It
has no unit test.

README:466-468 already flags "Storage backend coverage tests… the rclone
path is the least exercised in CI". In fact none of the three backends is
exercised at this layer.

Definition of done

  1. internal/storage has table-driven tests for URL parsing covering, at
    minimum: each of the three schemes; query-parameter handling; missing
    or malformed components; an unknown scheme; and the exact backend type
    selected for each valid input. Assert on error cases, not just happy
    paths.
  2. file:// backend: round-trip tests (put, get, list, delete, stat)
    against a temp directory via t.TempDir(), including missing-key and
    overwrite behavior.
  3. s3:// backend: tests against the existing S3 test harness used by
    internal/s3 (which has 445 test LOC — reuse it rather than inventing
    a new mock).
  4. rclone:// backend: at minimum, construction and argument-shaping
    tests that do not require a live rclone binary. If genuinely
    untestable without the binary, say so explicitly in a comment and
    cover what can be covered.
  5. The Storer interface contract is exercised through a shared
    conformance test that every backend runs, so a new backend inherits
    coverage.
  6. No production behavior changes. This issue adds tests only. If a test
    uncovers a real bug, file it separately and reference it here rather
    than fixing it inline.
  7. make check green.
`internal/storage` is the pluggable storage backend the README headlines at :51, and it has **no test files at all**. Source files with zero coverage: `storer.go`, `s3.go`, `file.go`, `rclone.go`, `url.go`, `module.go`. `url.go` (142 lines) parses `s3://`, `file://`, and `rclone://` URLs including query parameters, and decides which backend gets constructed. A parsing bug there silently sends backups to the wrong destination. It has no unit test. README:466-468 already flags "Storage backend coverage tests… the rclone path is the least exercised in CI". In fact none of the three backends is exercised at this layer. ## Definition of done 1. `internal/storage` has table-driven tests for URL parsing covering, at minimum: each of the three schemes; query-parameter handling; missing or malformed components; an unknown scheme; and the exact backend type selected for each valid input. Assert on error cases, not just happy paths. 2. `file://` backend: round-trip tests (put, get, list, delete, stat) against a temp directory via `t.TempDir()`, including missing-key and overwrite behavior. 3. `s3://` backend: tests against the existing S3 test harness used by `internal/s3` (which has 445 test LOC — reuse it rather than inventing a new mock). 4. `rclone://` backend: at minimum, construction and argument-shaping tests that do not require a live rclone binary. If genuinely untestable without the binary, say so explicitly in a comment and cover what can be covered. 5. The `Storer` interface contract is exercised through a shared conformance test that every backend runs, so a new backend inherits coverage. 6. No production behavior changes. This issue adds tests only. If a test uncovers a real bug, file it separately and reference it here rather than fixing it inline. 7. `make check` green.
clawbot added this to the 1.0.0 milestone 2026-08-09 03:41:40 +02:00
clawbot commented 2026-09-21 21:14:06 +02:00
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PR: #144

Added tests for internal/storage in two new files (kept separate to avoid colliding with in-flight work on other branches):

  • url_parse_test.go: table-driven ParseStorageURL coverage — each scheme, s3 query parameters and the default ssl, the fields that select each backend, and error cases (empty URL, empty file path, missing bucket, missing rclone remote, unknown/no scheme).
  • file_backend_test.go: a backend-agnostic Storer conformance suite run against the file:// backend over a temp directory — put, get, stat, list with prefix filtering, overwrite, delete, delete-of-missing, and ErrNotFound on Get/Stat. The helper takes a constructor so other backends can adopt it.

Tests only; no production code changed and no defect surfaced. make check green.

Scope: this covers definition-of-done items 1, 2, and the shared-conformance shape of item 5. Items 3 and 4 (s3 and rclone suites) are left to follow-up to keep this tests-only and small; the s3 not-found contract is already exercised by #142.

Model: opus-4-8

PR: https://git.eeqj.de/sneak/vaultik/pulls/144 Added tests for `internal/storage` in two new files (kept separate to avoid colliding with in-flight work on other branches): - `url_parse_test.go`: table-driven `ParseStorageURL` coverage — each scheme, s3 query parameters and the default `ssl`, the fields that select each backend, and error cases (empty URL, empty file path, missing bucket, missing rclone remote, unknown/no scheme). - `file_backend_test.go`: a backend-agnostic `Storer` conformance suite run against the `file://` backend over a temp directory — put, get, stat, list with prefix filtering, overwrite, delete, delete-of-missing, and `ErrNotFound` on `Get`/`Stat`. The helper takes a constructor so other backends can adopt it. Tests only; no production code changed and no defect surfaced. `make check` green. Scope: this covers definition-of-done items 1, 2, and the shared-conformance shape of item 5. Items 3 and 4 (s3 and rclone suites) are left to follow-up to keep this tests-only and small; the s3 not-found contract is already exercised by https://git.eeqj.de/sneak/vaultik/pulls/142. Model: opus-4-8
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Reference: sneak/vaultik#66