view tests/test-sparse-requirement.t @ 33934:6cc8f848b4c3

run-tests: make per-line condition support testcase names

7340465bd added multiple test cases support. The latter has a problem -
output lines cannot be made conditional with `#if`:

```
  # COUNTEREXAMPLE: DOES NOT WORK
  #testcases A B
    $ command-foo
    common ouput
  #if A
    A's ouput
  #else
    B's ouput
  #endif
    common ouput
```

That's not trivial to fix (even if it works in test, `run-tests.py -i` may
be suboptimal because diff algorithm does not know how to skip the `#if`
lines, even if it does, it may have trouble figuring out whether a changed
line belongs to inside a `#if` block or outside).

Matching output lines conditionally is useful. 4eec2f04a added per-line
condition support for hghave. This patch extends that to also support test
case names.

Differential Revision: https://phab.mercurial-scm.org/D466

  $ hg init repo
  $ cd repo

  $ touch a.html b.html c.py d.py

  $ cat > frontend.sparse << EOF
  > [include]
  > *.html
  > EOF

  $ hg -q commit -A -m initial

  $ echo 1 > a.html
  $ echo 1 > c.py
  $ hg commit -m 'commit 1'

Enable sparse profile

  $ cat .hg/requires
  dotencode
  fncache
  generaldelta
  revlogv1
  store

  $ hg debugsparse --config extensions.sparse= --enable-profile frontend.sparse
  $ ls
  a.html
  b.html

Requirement for sparse added when sparse is enabled

  $ cat .hg/requires
  dotencode
  exp-sparse
  fncache
  generaldelta
  revlogv1
  store

Client without sparse enabled reacts properly

  $ hg files
  abort: repository is using sparse feature but sparse is not enabled; enable the "sparse" extensions to access!
  [255]

Requirement for sparse is removed when sparse is disabled

  $ hg debugsparse --reset --config extensions.sparse=

  $ cat .hg/requires
  dotencode
  fncache
  generaldelta
  revlogv1
  store

And client without sparse can access

  $ hg files
  a.html
  b.html
  c.py
  d.py
  frontend.sparse