diff tests/test-run-tests.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

--- a/tests/test-run-tests.t	Fri Aug 25 13:49:17 2017 -0700
+++ b/tests/test-run-tests.t	Sun Aug 20 09:46:27 2017 -0700
@@ -823,6 +823,20 @@
     2
   #endif
 
+  $ cat >> test-cases.t <<'EOF'
+  > #if a
+  >   $ NAME=A
+  > #else
+  >   $ NAME=B
+  > #endif
+  >   $ echo $NAME
+  >   A (a !)
+  >   B (b !)
+  > EOF
+  $ rt test-cases.t
+  ..
+  # Ran 2 tests, 0 skipped, 0 failed.
+
   $ rm test-cases.t
 
 (reinstall)