tests: ensure run-tests handles multiple lines of churn

1ad0ddf8cccc added the ability to remember lines (including their flags, like glob)
and tolerate them even if the output order varies.

This test ensures that the code will continue to work in the future.

tests/test-run-tests.t

@@ -1,793 +1,817 b''
 This file tests the behavior of run-tests.py itself.
 
 Avoid interference from actual test env:
 
   $ unset HGTEST_JOBS
   $ unset HGTEST_TIMEOUT
   $ unset HGTEST_PORT
   $ unset HGTEST_SHELL
 
 Smoke test with install
 ============
 
   $ run-tests.py $HGTEST_RUN_TESTS_PURE -l
   
   # Ran 0 tests, 0 skipped, 0 warned, 0 failed.
 
 Define a helper to avoid the install step
 =============
   $ rt()
   > {
   >     run-tests.py --with-hg=`which hg` "$@"
   > }
 
 error paths
 
 #if symlink
   $ ln -s `which true` hg
   $ run-tests.py --with-hg=./hg
   warning: --with-hg should specify an hg script
   
   # Ran 0 tests, 0 skipped, 0 warned, 0 failed.
   $ rm hg
 #endif
 
 #if execbit
   $ touch hg
   $ run-tests.py --with-hg=./hg
   Usage: run-tests.py [options] [tests]
   
   run-tests.py: error: --with-hg must specify an executable hg script
   [2]
   $ rm hg
 #endif
 
 a succesful test
 =======================
 
   $ cat > test-success.t << EOF
   >   $ echo babar
   >   babar
   >   $ echo xyzzy
   >   never happens (?)
   >   xyzzy
   >   nor this (?)
   >   $ printf 'abc\ndef\nxyz\n'
   >   123 (?)
   >   abc
   >   def (?)
   >   456 (?)
   >   xyz
   > EOF
 
   $ rt
   .
   # Ran 1 tests, 0 skipped, 0 warned, 0 failed.
 
 failing test
 ==================
 
+test churn with globs
+  $ cat > test-failure.t <<EOF
+  >   $ echo "bar-baz"; echo "bar-bad"
+  >   bar*bad (glob)
+  >   bar*baz (glob)
+  > EOF
+  $ rt test-failure.t
+  
+  --- $TESTTMP/test-failure.t
+  +++ $TESTTMP/test-failure.t.err
+  @@ -1,3 +1,3 @@
+     $ echo "bar-baz"; echo "bar-bad"
+  +  bar*baz (glob)
+     bar*bad (glob)
+  -  bar*baz (glob)
+  
+  ERROR: test-failure.t output changed
+  !
+  Failed test-failure.t: output changed
+  # Ran 1 tests, 0 skipped, 0 warned, 1 failed.
+  python hash seed: * (glob)
+  [1]
+
+basic failing test
   $ cat > test-failure.t << EOF
   >   $ echo babar
   >   rataxes
   > This is a noop statement so that
   > this test is still more bytes than success.
   > pad pad pad pad............................................................
   > pad pad pad pad............................................................
   > EOF
 
   >>> fh = open('test-failure-unicode.t', 'wb')
   >>> fh.write(u'  $ echo babar\u03b1\n'.encode('utf-8')) and None
   >>> fh.write(u'  l\u03b5\u03b5t\n'.encode('utf-8')) and None
 
   $ rt
   
   --- $TESTTMP/test-failure.t
   +++ $TESTTMP/test-failure.t.err
   @@ -1,5 +1,5 @@
      $ echo babar
   -  rataxes
   +  babar
    This is a noop statement so that
    this test is still more bytes than success.
    pad pad pad pad............................................................
   
   ERROR: test-failure.t output changed
   !.
   --- $TESTTMP/test-failure-unicode.t
   +++ $TESTTMP/test-failure-unicode.t.err
   @@ -1,2 +1,2 @@
      $ echo babar\xce\xb1 (esc)
   -  l\xce\xb5\xce\xb5t (esc)
   +  babar\xce\xb1 (esc)
   
   ERROR: test-failure-unicode.t output changed
   !
   Failed test-failure.t: output changed
   Failed test-failure-unicode.t: output changed
   # Ran 3 tests, 0 skipped, 0 warned, 2 failed.
   python hash seed: * (glob)
   [1]
 
 test --xunit support
   $ rt --xunit=xunit.xml
   
   --- $TESTTMP/test-failure.t
   +++ $TESTTMP/test-failure.t.err
   @@ -1,5 +1,5 @@
      $ echo babar
   -  rataxes
   +  babar
    This is a noop statement so that
    this test is still more bytes than success.
    pad pad pad pad............................................................
   
   ERROR: test-failure.t output changed
   !.
   --- $TESTTMP/test-failure-unicode.t
   +++ $TESTTMP/test-failure-unicode.t.err
   @@ -1,2 +1,2 @@
      $ echo babar\xce\xb1 (esc)
   -  l\xce\xb5\xce\xb5t (esc)
   +  babar\xce\xb1 (esc)
   
   ERROR: test-failure-unicode.t output changed
   !
   Failed test-failure.t: output changed
   Failed test-failure-unicode.t: output changed
   # Ran 3 tests, 0 skipped, 0 warned, 2 failed.
   python hash seed: * (glob)
   [1]
   $ cat xunit.xml
   <?xml version="1.0" encoding="utf-8"?>
   <testsuite errors="0" failures="2" name="run-tests" skipped="0" tests="3">
     <testcase name="test-success.t" time="*"/> (glob)
     <testcase name="test-failure-unicode.t" time="*"> (glob)
   <![CDATA[--- $TESTTMP/test-failure-unicode.t
   +++ $TESTTMP/test-failure-unicode.t.err
   @@ -1,2 +1,2 @@
      $ echo babar\xce\xb1 (esc)
   -  l\xce\xb5\xce\xb5t (esc)
   +  babar\xce\xb1 (esc)
   ]]>  </testcase>
     <testcase name="test-failure.t" time="*"> (glob)
   <![CDATA[--- $TESTTMP/test-failure.t
   +++ $TESTTMP/test-failure.t.err
   @@ -1,5 +1,5 @@
      $ echo babar
   -  rataxes
   +  babar
    This is a noop statement so that
    this test is still more bytes than success.
    pad pad pad pad............................................................
   ]]>  </testcase>
   </testsuite>
 
   $ rm test-failure-unicode.t
 
 test for --retest
 ====================
 
   $ rt --retest
   
   --- $TESTTMP/test-failure.t
   +++ $TESTTMP/test-failure.t.err
   @@ -1,5 +1,5 @@
      $ echo babar
   -  rataxes
   +  babar
    This is a noop statement so that
    this test is still more bytes than success.
    pad pad pad pad............................................................
   
   ERROR: test-failure.t output changed
   !
   Failed test-failure.t: output changed
   # Ran 2 tests, 1 skipped, 0 warned, 1 failed.
   python hash seed: * (glob)
   [1]
 
 Selecting Tests To Run
 ======================
 
 successful
 
   $ rt test-success.t
   .
   # Ran 1 tests, 0 skipped, 0 warned, 0 failed.
 
 success w/ keyword
   $ rt -k xyzzy
   .
   # Ran 2 tests, 1 skipped, 0 warned, 0 failed.
 
 failed
 
   $ rt test-failure.t
   
   --- $TESTTMP/test-failure.t
   +++ $TESTTMP/test-failure.t.err
   @@ -1,5 +1,5 @@
      $ echo babar
   -  rataxes
   +  babar
    This is a noop statement so that
    this test is still more bytes than success.
    pad pad pad pad............................................................
   
   ERROR: test-failure.t output changed
   !
   Failed test-failure.t: output changed
   # Ran 1 tests, 0 skipped, 0 warned, 1 failed.
   python hash seed: * (glob)
   [1]
 
 failure w/ keyword
   $ rt -k rataxes
   
   --- $TESTTMP/test-failure.t
   +++ $TESTTMP/test-failure.t.err
   @@ -1,5 +1,5 @@
      $ echo babar
   -  rataxes
   +  babar
    This is a noop statement so that
    this test is still more bytes than success.
    pad pad pad pad............................................................
   
   ERROR: test-failure.t output changed
   !
   Failed test-failure.t: output changed
   # Ran 2 tests, 1 skipped, 0 warned, 1 failed.
   python hash seed: * (glob)
   [1]
 
 Verify that when a process fails to start we show a useful message
 ==================================================================
 
   $ cat > test-serve-fail.t <<EOF
   >   $ echo 'abort: child process failed to start blah'
   > EOF
   $ rt test-serve-fail.t
   
   ERROR: test-serve-fail.t output changed
   !
   Failed test-serve-fail.t: server failed to start (HGPORT=*) (glob)
   # Ran 1 tests, 0 skipped, 0 warned, 1 failed.
   python hash seed: * (glob)
   [1]
   $ rm test-serve-fail.t
 
 Verify that we can try other ports
 ===================================
   $ hg init inuse
   $ hg serve -R inuse -p $HGPORT -d --pid-file=blocks.pid
   $ cat blocks.pid >> $DAEMON_PIDS
   $ cat > test-serve-inuse.t <<EOF
   >   $ hg serve -R `pwd`/inuse -p \$HGPORT -d --pid-file=hg.pid
   >   $ cat hg.pid >> \$DAEMON_PIDS
   > EOF
   $ rt test-serve-inuse.t
   .
   # Ran 1 tests, 0 skipped, 0 warned, 0 failed.
   $ rm test-serve-inuse.t
 
 Running In Debug Mode
 ======================
 
   $ rt --debug 2>&1 | grep -v pwd
   + echo *SALT* 0 0 (glob)
   *SALT* 0 0 (glob)
   + echo babar
   babar
   + echo *SALT* 6 0 (glob)
   *SALT* 6 0 (glob)
   *+ echo *SALT* 0 0 (glob)
   *SALT* 0 0 (glob)
   + echo babar
   babar
   + echo *SALT* 2 0 (glob)
   *SALT* 2 0 (glob)
   + echo xyzzy
   xyzzy
   + echo *SALT* 6 0 (glob)
   *SALT* 6 0 (glob)
   + printf *abc\ndef\nxyz\n* (glob)
   abc
   def
   xyz
   + echo *SALT* 12 0 (glob)
   *SALT* 12 0 (glob)
   .
   # Ran 2 tests, 0 skipped, 0 warned, 0 failed.
 
 Parallel runs
 ==============
 
 (duplicate the failing test to get predictable output)
   $ cp test-failure.t test-failure-copy.t
 
   $ rt --jobs 2 test-failure*.t -n
   !!
   Failed test-failure*.t: output changed (glob)
   Failed test-failure*.t: output changed (glob)
   # Ran 2 tests, 0 skipped, 0 warned, 2 failed.
   python hash seed: * (glob)
   [1]
 
 failures in parallel with --first should only print one failure
   >>> f = open('test-nothing.t', 'w')
   >>> f.write('foo\n' * 1024) and None
   >>> f.write('  $ sleep 1') and None
   $ rt --jobs 2 --first
   
   --- $TESTTMP/test-failure*.t (glob)
   +++ $TESTTMP/test-failure*.t.err (glob)
   @@ -1,5 +1,5 @@
      $ echo babar
   -  rataxes
   +  babar
    This is a noop statement so that
    this test is still more bytes than success.
    pad pad pad pad............................................................
   
   Failed test-failure*.t: output changed (glob)
   Failed test-nothing.t: output changed
   # Ran 2 tests, 0 skipped, 0 warned, 2 failed.
   python hash seed: * (glob)
   [1]
 
 
 (delete the duplicated test file)
   $ rm test-failure-copy.t test-nothing.t
 
 
 Interactive run
 ===============
 
 (backup the failing test)
   $ cp test-failure.t backup
 
 Refuse the fix
 
   $ echo 'n' | rt -i
   
   --- $TESTTMP/test-failure.t
   +++ $TESTTMP/test-failure.t.err
   @@ -1,5 +1,5 @@
      $ echo babar
   -  rataxes
   +  babar
    This is a noop statement so that
    this test is still more bytes than success.
    pad pad pad pad............................................................
   Accept this change? [n] 
   ERROR: test-failure.t output changed
   !.
   Failed test-failure.t: output changed
   # Ran 2 tests, 0 skipped, 0 warned, 1 failed.
   python hash seed: * (glob)
   [1]
 
   $ cat test-failure.t
     $ echo babar
     rataxes
   This is a noop statement so that
   this test is still more bytes than success.
   pad pad pad pad............................................................
   pad pad pad pad............................................................
 
 Interactive with custom view
 
   $ echo 'n' | rt -i --view echo
   $TESTTMP/test-failure.t $TESTTMP/test-failure.t.err (glob)
   Accept this change? [n]* (glob)
   ERROR: test-failure.t output changed
   !.
   Failed test-failure.t: output changed
   # Ran 2 tests, 0 skipped, 0 warned, 1 failed.
   python hash seed: * (glob)
   [1]
 
 View the fix
 
   $ echo 'y' | rt --view echo
   $TESTTMP/test-failure.t $TESTTMP/test-failure.t.err (glob)
   
   ERROR: test-failure.t output changed
   !.
   Failed test-failure.t: output changed
   # Ran 2 tests, 0 skipped, 0 warned, 1 failed.
   python hash seed: * (glob)
   [1]
 
 Accept the fix
 
   $ echo "  $ echo 'saved backup bundle to \$TESTTMP/foo.hg'" >> test-failure.t
   $ echo "  saved backup bundle to \$TESTTMP/foo.hg" >> test-failure.t
   $ echo "  $ echo 'saved backup bundle to \$TESTTMP/foo.hg'" >> test-failure.t
   $ echo "  saved backup bundle to \$TESTTMP/foo.hg (glob)" >> test-failure.t
   $ echo "  $ echo 'saved backup bundle to \$TESTTMP/foo.hg'" >> test-failure.t
   $ echo "  saved backup bundle to \$TESTTMP/*.hg (glob)" >> test-failure.t
   $ echo 'y' | rt -i 2>&1
   
   --- $TESTTMP/test-failure.t
   +++ $TESTTMP/test-failure.t.err
   @@ -1,11 +1,11 @@
      $ echo babar
   -  rataxes
   +  babar
    This is a noop statement so that
    this test is still more bytes than success.
    pad pad pad pad............................................................
    pad pad pad pad............................................................
      $ echo 'saved backup bundle to $TESTTMP/foo.hg'
   -  saved backup bundle to $TESTTMP/foo.hg
   +  saved backup bundle to $TESTTMP/foo.hg* (glob)
      $ echo 'saved backup bundle to $TESTTMP/foo.hg'
      saved backup bundle to $TESTTMP/foo.hg* (glob)
      $ echo 'saved backup bundle to $TESTTMP/foo.hg'
   Accept this change? [n] ..
   # Ran 2 tests, 0 skipped, 0 warned, 0 failed.
 
   $ sed -e 's,(glob)$,&<,g' test-failure.t
     $ echo babar
     babar
   This is a noop statement so that
   this test is still more bytes than success.
   pad pad pad pad............................................................
   pad pad pad pad............................................................
     $ echo 'saved backup bundle to $TESTTMP/foo.hg'
     saved backup bundle to $TESTTMP/foo.hg (glob)<
     $ echo 'saved backup bundle to $TESTTMP/foo.hg'
     saved backup bundle to $TESTTMP/foo.hg (glob)<
     $ echo 'saved backup bundle to $TESTTMP/foo.hg'
     saved backup bundle to $TESTTMP/*.hg (glob)<
 
 (reinstall)
   $ mv backup test-failure.t
 
 No Diff
 ===============
 
   $ rt --nodiff
   !.
   Failed test-failure.t: output changed
   # Ran 2 tests, 0 skipped, 0 warned, 1 failed.
   python hash seed: * (glob)
   [1]
 
 test --tmpdir support
   $ rt --tmpdir=$TESTTMP/keep test-success.t
   
   Keeping testtmp dir: $TESTTMP/keep/child1/test-success.t (glob)
   Keeping threadtmp dir: $TESTTMP/keep/child1  (glob)
   .
   # Ran 1 tests, 0 skipped, 0 warned, 0 failed.
 
 timeouts
 ========
   $ cat > test-timeout.t <<EOF
   >   $ sleep 2
   >   $ echo pass
   >   pass
   > EOF
   > echo '#require slow' > test-slow-timeout.t
   > cat test-timeout.t >> test-slow-timeout.t
   $ rt --timeout=1 --slowtimeout=3 test-timeout.t test-slow-timeout.t
   st
   Skipped test-slow-timeout.t: missing feature: allow slow tests
   Failed test-timeout.t: timed out
   # Ran 1 tests, 1 skipped, 0 warned, 1 failed.
   python hash seed: * (glob)
   [1]
   $ rt --timeout=1 --slowtimeout=3 \
   > test-timeout.t test-slow-timeout.t --allow-slow-tests
   .t
   Failed test-timeout.t: timed out
   # Ran 2 tests, 0 skipped, 0 warned, 1 failed.
   python hash seed: * (glob)
   [1]
   $ rm test-timeout.t test-slow-timeout.t
 
 test for --time
 ==================
 
   $ rt test-success.t --time
   .
   # Ran 1 tests, 0 skipped, 0 warned, 0 failed.
   # Producing time report
   start   end     cuser   csys    real      Test
   \s*[\d\.]{5}   \s*[\d\.]{5}   \s*[\d\.]{5}   \s*[\d\.]{5}   \s*[\d\.]{5}   test-success.t (re)
 
 test for --time with --job enabled
 ====================================
 
   $ rt test-success.t --time --jobs 2
   .
   # Ran 1 tests, 0 skipped, 0 warned, 0 failed.
   # Producing time report
   start   end     cuser   csys    real      Test
   \s*[\d\.]{5}   \s*[\d\.]{5}   \s*[\d\.]{5}   \s*[\d\.]{5}   \s*[\d\.]{5}   test-success.t (re)
 
 Skips
 ================
   $ cat > test-skip.t <<EOF
   >   $ echo xyzzy
   > #require false
   > EOF
   $ rt --nodiff
   !.s
   Skipped test-skip.t: missing feature: nail clipper
   Failed test-failure.t: output changed
   # Ran 2 tests, 1 skipped, 0 warned, 1 failed.
   python hash seed: * (glob)
   [1]
 
   $ rt --keyword xyzzy
   .s
   Skipped test-skip.t: missing feature: nail clipper
   # Ran 2 tests, 2 skipped, 0 warned, 0 failed.
 
 Skips with xml
   $ rt --keyword xyzzy \
   >  --xunit=xunit.xml
   .s
   Skipped test-skip.t: missing feature: nail clipper
   # Ran 2 tests, 2 skipped, 0 warned, 0 failed.
   $ cat xunit.xml
   <?xml version="1.0" encoding="utf-8"?>
   <testsuite errors="0" failures="0" name="run-tests" skipped="2" tests="2">
     <testcase name="test-success.t" time="*"/> (glob)
   </testsuite>
 
 Missing skips or blacklisted skips don't count as executed:
   $ echo test-failure.t > blacklist
   $ rt --blacklist=blacklist --json\
   >   test-failure.t test-bogus.t
   ss
   Skipped test-bogus.t: Doesn't exist
   Skipped test-failure.t: blacklisted
   # Ran 0 tests, 2 skipped, 0 warned, 0 failed.
   $ cat report.json
   testreport ={
       "test-bogus.t": {
           "result": "skip"
       }, 
       "test-failure.t": {
           "result": "skip"
       }
   } (no-eol)
 test for --json
 ==================
 
   $ rt --json
   
   --- $TESTTMP/test-failure.t
   +++ $TESTTMP/test-failure.t.err
   @@ -1,5 +1,5 @@
      $ echo babar
   -  rataxes
   +  babar
    This is a noop statement so that
    this test is still more bytes than success.
    pad pad pad pad............................................................
   
   ERROR: test-failure.t output changed
   !.s
   Skipped test-skip.t: missing feature: nail clipper
   Failed test-failure.t: output changed
   # Ran 2 tests, 1 skipped, 0 warned, 1 failed.
   python hash seed: * (glob)
   [1]
 
   $ cat report.json
   testreport ={
       "test-failure.t": [\{] (re)
           "csys": "\s*[\d\.]{4,5}", ? (re)
           "cuser": "\s*[\d\.]{4,5}", ? (re)
           "diff": "---.+\+\+\+.+", ? (re)
           "end": "\s*[\d\.]{4,5}", ? (re)
           "result": "failure", ? (re)
           "start": "\s*[\d\.]{4,5}", ? (re)
           "time": "\s*[\d\.]{4,5}" (re)
       }, ? (re)
       "test-skip.t": {
           "csys": "\s*[\d\.]{4,5}", ? (re)
           "cuser": "\s*[\d\.]{4,5}", ? (re)
           "diff": "", ? (re)
           "end": "\s*[\d\.]{4,5}", ? (re)
           "result": "skip", ? (re)
           "start": "\s*[\d\.]{4,5}", ? (re)
           "time": "\s*[\d\.]{4,5}" (re)
       }, ? (re)
       "test-success.t": [\{] (re)
           "csys": "\s*[\d\.]{4,5}", ? (re)
           "cuser": "\s*[\d\.]{4,5}", ? (re)
           "diff": "", ? (re)
           "end": "\s*[\d\.]{4,5}", ? (re)
           "result": "success", ? (re)
           "start": "\s*[\d\.]{4,5}", ? (re)
           "time": "\s*[\d\.]{4,5}" (re)
       }
   } (no-eol)
 
 Test that failed test accepted through interactive are properly reported:
 
   $ cp test-failure.t backup
   $ echo y | rt --json -i
   
   --- $TESTTMP/test-failure.t
   +++ $TESTTMP/test-failure.t.err
   @@ -1,5 +1,5 @@
      $ echo babar
   -  rataxes
   +  babar
    This is a noop statement so that
    this test is still more bytes than success.
    pad pad pad pad............................................................
   Accept this change? [n] ..s
   Skipped test-skip.t: missing feature: nail clipper
   # Ran 2 tests, 1 skipped, 0 warned, 0 failed.
 
   $ cat report.json
   testreport ={
       "test-failure.t": [\{] (re)
           "csys": "\s*[\d\.]{4,5}", ? (re)
           "cuser": "\s*[\d\.]{4,5}", ? (re)
           "diff": "", ? (re)
           "end": "\s*[\d\.]{4,5}", ? (re)
           "result": "success", ? (re)
           "start": "\s*[\d\.]{4,5}", ? (re)
           "time": "\s*[\d\.]{4,5}" (re)
       }, ? (re)
       "test-skip.t": {
           "csys": "\s*[\d\.]{4,5}", ? (re)
           "cuser": "\s*[\d\.]{4,5}", ? (re)
           "diff": "", ? (re)
           "end": "\s*[\d\.]{4,5}", ? (re)
           "result": "skip", ? (re)
           "start": "\s*[\d\.]{4,5}", ? (re)
           "time": "\s*[\d\.]{4,5}" (re)
       }, ? (re)
       "test-success.t": [\{] (re)
           "csys": "\s*[\d\.]{4,5}", ? (re)
           "cuser": "\s*[\d\.]{4,5}", ? (re)
           "diff": "", ? (re)
           "end": "\s*[\d\.]{4,5}", ? (re)
           "result": "success", ? (re)
           "start": "\s*[\d\.]{4,5}", ? (re)
           "time": "\s*[\d\.]{4,5}" (re)
       }
   } (no-eol)
   $ mv backup test-failure.t
 
 backslash on end of line with glob matching is handled properly
 
   $ cat > test-glob-backslash.t << EOF
   >   $ echo 'foo bar \\'
   >   foo * \ (glob)
   > EOF
 
   $ rt test-glob-backslash.t
   .
   # Ran 1 tests, 0 skipped, 0 warned, 0 failed.
 
   $ rm -f test-glob-backslash.t
 
 Test reusability for third party tools
 ======================================
 
   $ mkdir "$TESTTMP"/anothertests
   $ cd "$TESTTMP"/anothertests
 
 test that `run-tests.py` can execute hghave, even if it runs not in
 Mercurial source tree.
 
   $ cat > test-hghave.t <<EOF
   > #require true
   >   $ echo foo
   >   foo
   > EOF
   $ rt test-hghave.t
   .
   # Ran 1 tests, 0 skipped, 0 warned, 0 failed.
 
 test that RUNTESTDIR refers the directory, in which `run-tests.py` now
 running is placed.
 
   $ cat > test-runtestdir.t <<EOF
   > - $TESTDIR, in which test-run-tests.t is placed
   > - \$TESTDIR, in which test-runtestdir.t is placed (expanded at runtime)
   > - \$RUNTESTDIR, in which run-tests.py is placed (expanded at runtime)
   > 
   > #if windows
   >   $ test "\$TESTDIR" = "$TESTTMP\anothertests"
   > #else
   >   $ test "\$TESTDIR" = "$TESTTMP"/anothertests
   > #endif
   >   $ test "\$RUNTESTDIR" = "$TESTDIR"
   >   $ head -n 3 "\$RUNTESTDIR"/../contrib/check-code.py
   >   #!/usr/bin/env python
   >   #
   >   # check-code - a style and portability checker for Mercurial
   > EOF
   $ rt test-runtestdir.t
   .
   # Ran 1 tests, 0 skipped, 0 warned, 0 failed.
 
 #if execbit
 
 test that TESTDIR is referred in PATH
 
   $ cat > custom-command.sh <<EOF
   > #!/bin/sh
   > echo "hello world"
   > EOF
   $ chmod +x custom-command.sh
   $ cat > test-testdir-path.t <<EOF
   >   $ custom-command.sh
   >   hello world
   > EOF
   $ rt test-testdir-path.t
   .
   # Ran 1 tests, 0 skipped, 0 warned, 0 failed.
 
 #endif
 
 test support for --allow-slow-tests
   $ cat > test-very-slow-test.t <<EOF
   > #require slow
   >   $ echo pass
   >   pass
   > EOF
   $ rt test-very-slow-test.t
   s
   Skipped test-very-slow-test.t: missing feature: allow slow tests
   # Ran 0 tests, 1 skipped, 0 warned, 0 failed.
   $ rt $HGTEST_RUN_TESTS_PURE --allow-slow-tests test-very-slow-test.t
   .
   # Ran 1 tests, 0 skipped, 0 warned, 0 failed.
 
 support for running a test outside the current directory
   $ mkdir nonlocal
   $ cat > nonlocal/test-is-not-here.t << EOF
   >   $ echo pass
   >   pass
   > EOF
   $ rt nonlocal/test-is-not-here.t
   .
   # Ran 1 tests, 0 skipped, 0 warned, 0 failed.
 
 support for bisecting failed tests automatically
   $ hg init bisect
   $ cd bisect
   $ cat >> test-bisect.t <<EOF
   >   $ echo pass
   >   pass
   > EOF
   $ hg add test-bisect.t
   $ hg ci -m 'good'
   $ cat >> test-bisect.t <<EOF
   >   $ echo pass
   >   fail
   > EOF
   $ hg ci -m 'bad'
   $ rt --known-good-rev=0 test-bisect.t
   
   --- $TESTTMP/anothertests/bisect/test-bisect.t
   +++ $TESTTMP/anothertests/bisect/test-bisect.t.err
   @@ -1,4 +1,4 @@
      $ echo pass
      pass
      $ echo pass
   -  fail
   +  pass
   
   ERROR: test-bisect.t output changed
   !
   Failed test-bisect.t: output changed
   test-bisect.t broken by 72cbf122d116 (bad)
   # Ran 1 tests, 0 skipped, 0 warned, 1 failed.
   python hash seed: * (glob)
   [1]