run-tests: follow-up on the test-case format

run-tests: follow-up on the test-case format

It turns out the original regex doesn't support real test cases names like the
one Mercurial is using. Update the regex to being able to precisely select
them on the command line.

Differential Revision: https://phab.mercurial-scm.org/D3699

--- a/tests/run-tests.py	Fri May 04 12:43:15 2018 +0900
+++ b/tests/run-tests.py	Thu Jun 07 21:09:16 2018 +0200
@@ -120,7 +120,7 @@
         }
 
     class TestRunnerLexer(lexer.RegexLexer):
-        testpattern = r'[\w-]+\.(t|py)(#[\w-]+)?'
+        testpattern = r'[\w-]+\.(t|py)(#[^\s]+)?'
         tokens = {
             'root': [
                 (r'^Skipped', token.Generic.Skipped, 'skipped'),
@@ -2646,7 +2646,7 @@
                 expanded_args.append(arg)
         args = expanded_args
 
-        testcasepattern = re.compile(r'([\w-]+\.t|py)(#([\w-])+)')
+        testcasepattern = re.compile(r'([\w-]+\.t|py)(#([^\s]+))')
         tests = []
         for t in args:
             case = None

--- a/tests/test-run-tests.t	Fri May 04 12:43:15 2018 +0900
+++ b/tests/test-run-tests.t	Thu Jun 07 21:09:16 2018 +0200
@@ -1617,7 +1617,7 @@
   python hash seed: * (glob)
   [1]
 
-Support running invalid test cases
+Support ignoring invalid test cases
 
   $ rt test-cases-abc.t#B test-cases-abc.t#D
   
@@ -1640,6 +1640,81 @@
   python hash seed: * (glob)
   [1]
 
+Support running complex test cases names
+
+  $ cat > test-cases-advanced-cases.t <<'EOF'
+  > #testcases simple case-with-dashes casewith!@#$%^&*()chars
+  >   $ echo $TESTCASE
+  >   simple
+  > EOF
+
+  $ cat test-cases-advanced-cases.t
+  #testcases simple case-with-dashes casewith!@#$%^&*()chars
+    $ echo $TESTCASE
+    simple
+
+  $ rt test-cases-advanced-cases.t
+  
+  --- $TESTTMP/anothertests/cases/test-cases-advanced-cases.t
+  +++ $TESTTMP/anothertests/cases/test-cases-advanced-cases.t.case-with-dashes.err
+  @@ -1,3 +1,3 @@
+   #testcases simple case-with-dashes casewith!@#$%^&*()chars
+     $ echo $TESTCASE
+  -  simple
+  +  case-with-dashes
+  
+  ERROR: test-cases-advanced-cases.t#case-with-dashes output changed
+  !
+  --- $TESTTMP/anothertests/cases/test-cases-advanced-cases.t
+  +++ $TESTTMP/anothertests/cases/test-cases-advanced-cases.t.casewith!@#$%^&*()chars.err
+  @@ -1,3 +1,3 @@
+   #testcases simple case-with-dashes casewith!@#$%^&*()chars
+     $ echo $TESTCASE
+  -  simple
+  +  casewith!@#$%^&*()chars
+  
+  ERROR: test-cases-advanced-cases.t#casewith!@#$%^&*()chars output changed
+  !.
+  Failed test-cases-advanced-cases.t#case-with-dashes: output changed
+  Failed test-cases-advanced-cases.t#casewith!@#$%^&*()chars: output changed
+  # Ran 3 tests, 0 skipped, 2 failed.
+  python hash seed: * (glob)
+  [1]
+
+  $ rt "test-cases-advanced-cases.t#case-with-dashes"
+  
+  --- $TESTTMP/anothertests/cases/test-cases-advanced-cases.t
+  +++ $TESTTMP/anothertests/cases/test-cases-advanced-cases.t.case-with-dashes.err
+  @@ -1,3 +1,3 @@
+   #testcases simple case-with-dashes casewith!@#$%^&*()chars
+     $ echo $TESTCASE
+  -  simple
+  +  case-with-dashes
+  
+  ERROR: test-cases-advanced-cases.t#case-with-dashes output changed
+  !
+  Failed test-cases-advanced-cases.t#case-with-dashes: output changed
+  # Ran 1 tests, 0 skipped, 1 failed.
+  python hash seed: * (glob)
+  [1]
+
+  $ rt "test-cases-advanced-cases.t#casewith!@#$%^&*()chars"
+  
+  --- $TESTTMP/anothertests/cases/test-cases-advanced-cases.t
+  +++ $TESTTMP/anothertests/cases/test-cases-advanced-cases.t.casewith!@#$%^&*()chars.err
+  @@ -1,3 +1,3 @@
+   #testcases simple case-with-dashes casewith!@#$%^&*()chars
+     $ echo $TESTCASE
+  -  simple
+  +  casewith!@#$%^&*()chars
+  
+  ERROR: test-cases-advanced-cases.t#casewith!@#$%^&*()chars output changed
+  !
+  Failed test-cases-advanced-cases.t#casewith!@#$%^&*()chars: output changed
+  # Ran 1 tests, 0 skipped, 1 failed.
+  python hash seed: * (glob)
+  [1]
+
 Test automatic pattern replacement
 ==================================