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[PATCH v2 03/22] run-command tests: test stdout of run_command_parallel()

From
Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Date
Oct 12, 2022, 09:01 UTC
Message-ID
<patch-v2-03.22-c4923358bbd-20221012T084850Z-avarab@gmail.com>
In-Reply-To
<cover-v2-00.22-00000000000-20221012T084850Z-avarab@gmail.com>

Extend the tests added in c553c72eed6 (run-command: add an asynchronous parallel child processor, 2015-12-15) to test stdout in addition to stderr.

When the "ungroup" feature was added in fd3aaf53f71 (run-command: add an "ungroup" option to run_process_parallel(), 2022-06-07) its tests were made to test both the stdout and stderr, but these existing tests were left alone. Let's also exhaustively test our expected output here.

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
---
 t/t0061-run-command.sh | 25 +++++++++++++++----------
 1 file changed, 15 insertions(+), 10 deletions(-)
diff --git a/t/t0061-run-command.sh b/t/t0061-run-command.sh
index 7b5423eebda..19af082750a 100755
--- a/t/t0061-run-command.sh
+++ b/t/t0061-run-command.sh
@@ -130,8 +130,9 @@ World
 EOF
 
 test_expect_success 'run_command runs in parallel with more jobs available than tasks' '
-	test-tool run-command run-command-parallel 5 sh -c "printf \"%s\n%s\n\" Hello World" 2>actual &&
-	test_cmp expect actual
+	test-tool run-command run-command-parallel 5 sh -c "printf \"%s\n%s\n\" Hello World" >out 2>err &&
+	test_must_be_empty out &&
+	test_cmp expect err
 '
 
 test_expect_success 'run_command runs ungrouped in parallel with more jobs available than tasks' '
@@ -141,8 +142,9 @@ test_expect_success 'run_command runs ungrouped in parallel with more jobs avail
 '
 
 test_expect_success 'run_command runs in parallel with as many jobs as tasks' '
-	test-tool run-command run-command-parallel 4 sh -c "printf \"%s\n%s\n\" Hello World" 2>actual &&
-	test_cmp expect actual
+	test-tool run-command run-command-parallel 4 sh -c "printf \"%s\n%s\n\" Hello World" >out 2>err &&
+	test_must_be_empty out &&
+	test_cmp expect err
 '
 
 test_expect_success 'run_command runs ungrouped in parallel with as many jobs as tasks' '
@@ -152,8 +154,9 @@ test_expect_success 'run_command runs ungrouped in parallel with as many jobs as
 '
 
 test_expect_success 'run_command runs in parallel with more tasks than jobs available' '
-	test-tool run-command run-command-parallel 3 sh -c "printf \"%s\n%s\n\" Hello World" 2>actual &&
-	test_cmp expect actual
+	test-tool run-command run-command-parallel 3 sh -c "printf \"%s\n%s\n\" Hello World" >out 2>err &&
+	test_must_be_empty out &&
+	test_cmp expect err
 '
 
 test_expect_success 'run_command runs ungrouped in parallel with more tasks than jobs available' '
@@ -172,8 +175,9 @@ asking for a quick stop
 EOF
 
 test_expect_success 'run_command is asked to abort gracefully' '
-	test-tool run-command run-command-abort 3 false 2>actual &&
-	test_cmp expect actual
+	test-tool run-command run-command-abort 3 false >out 2>err &&
+	test_must_be_empty out &&
+	test_cmp expect err
 '
 
 test_expect_success 'run_command is asked to abort gracefully (ungroup)' '
@@ -187,8 +191,9 @@ no further jobs available
 EOF
 
 test_expect_success 'run_command outputs ' '
-	test-tool run-command run-command-no-jobs 3 sh -c "printf \"%s\n%s\n\" Hello World" 2>actual &&
-	test_cmp expect actual
+	test-tool run-command run-command-no-jobs 3 sh -c "printf \"%s\n%s\n\" Hello World" >out 2>err &&
+	test_must_be_empty out &&
+	test_cmp expect err
 '
 
 test_expect_success 'run_command outputs (ungroup) ' '
-- 
2.38.0.971.ge79ff6d20e7
Previous: Ævar Arnfjörð BjarmasonNext: Ævar Arnfjörð Bjarmason
Message 30 of 79 in “run-command API: pass functions & opts via struct”
  1. 00/15 run-command API: pass functions & opts via structÆvar Arnfjörð Bjarmason, Sep 30, 2022
  2. 01/15 hook tests: fix redirection logic error in 96e7225b310Ævar Arnfjörð Bjarmason, Sep 30, 2022
  3. 02/15 submodule tests: reset "trace.out" between "grep" invocationsÆvar Arnfjörð Bjarmason, Sep 30, 2022
  4. 03/15 run-command tests: test stdout of run_command_parallel()Ævar Arnfjörð Bjarmason, Sep 30, 2022
  5. 06/15 run-command API: have "run_processes_parallel{,_tr2}()" return voidÆvar Arnfjörð Bjarmason, Sep 30, 2022
  6. Phillip WoodOct 7, 2022
  7. 05/15 run-command tests: use "return", not "exit"Ævar Arnfjörð Bjarmason, Sep 30, 2022
  8. Phillip WoodOct 7, 2022
  9. 04/15 run-command test helper: use "else if" patternÆvar Arnfjörð Bjarmason, Sep 30, 2022
  10. 09/15 run-command.c: add an initializer for "struct parallel_processes"Ævar Arnfjörð Bjarmason, Sep 30, 2022
  11. 07/15 run-command API: make "jobs" parameter an "unsigned int"Ævar Arnfjörð Bjarmason, Sep 30, 2022
  12. Calvin WanOct 4, 2022
  13. Phillip WoodOct 7, 2022
  14. 13/15 run-command API: move *_tr2() users to "run_processes_parallel()"Ævar Arnfjörð Bjarmason, Sep 30, 2022
  15. 10/15 run-command API: add nascent "struct run_process_parallel_opts"Ævar Arnfjörð Bjarmason, Sep 30, 2022
  16. Phillip WoodOct 7, 2022
  17. 08/15 run-command API: don't fall back on online_cpus()Ævar Arnfjörð Bjarmason, Sep 30, 2022
  18. Phillip WoodOct 7, 2022
  19. 11/15 run-command API: make run_process_parallel{,_tr2}() thin wrappersÆvar Arnfjörð Bjarmason, Sep 30, 2022
  20. 14/15 run-command.c: don't copy *_fn to "struct parallel_processes"Ævar Arnfjörð Bjarmason, Sep 30, 2022
  21. 12/15 run-command API: have run_process_parallel() take an "opts" structÆvar Arnfjörð Bjarmason, Sep 30, 2022
  22. 15/15 run-command.c: don't copy "ungroup" to "struct parallel_processes"Ævar Arnfjörð Bjarmason, Sep 30, 2022
  23. Calvin WanOct 4, 2022
  24. Phillip WoodOct 7, 2022
  25. Junio C HamanoOct 7, 2022
  26. 00/22 run-command API: pass functions & opts via structÆvar Arnfjörð Bjarmason, Oct 12, 2022
  27. 01/22 hook tests: fix redirection logic error in 96e7225b310Ævar Arnfjörð Bjarmason, Oct 12, 2022
  28. 02/22 submodule tests: reset "trace.out" between "grep" invocationsÆvar Arnfjörð Bjarmason, Oct 12, 2022
  29. 04/22 run-command test helper: use "else if" patternÆvar Arnfjörð Bjarmason, Oct 12, 2022
  30. 03/22 run-command tests: test stdout of run_command_parallel()Ævar Arnfjörð Bjarmason, Oct 12, 2022
  31. 05/22 run-command API: have "run_processes_parallel{,_tr2}()" return voidÆvar Arnfjörð Bjarmason, Oct 12, 2022
  32. 06/22 run-command tests: use "return", not "exit"Ævar Arnfjörð Bjarmason, Oct 12, 2022
  33. 07/22 run-command.c: remove dead assignment in while-loopÆvar Arnfjörð Bjarmason, Oct 12, 2022
  34. 08/22 run-command.c: use C99 "for (TYPE VAR = ..." syntax where usefulÆvar Arnfjörð Bjarmason, Oct 12, 2022
  35. Phillip WoodOct 12, 2022
  36. Junio C HamanoOct 12, 2022
  37. 10/22 run-command API: don't fall back on online_cpus()Ævar Arnfjörð Bjarmason, Oct 12, 2022
  38. Phillip WoodOct 12, 2022
  39. 11/22 run-command.c: use designated init for pp_init(), add "const"Ævar Arnfjörð Bjarmason, Oct 12, 2022
  40. 09/22 run-command API: make "n" parameter a "size_t"Ævar Arnfjörð Bjarmason, Oct 12, 2022
  41. Phillip WoodOct 12, 2022
  42. 13/22 run-command API: make run_process_parallel{,_tr2}() thin wrappersÆvar Arnfjörð Bjarmason, Oct 12, 2022
  43. Phillip WoodOct 12, 2022
  44. 12/22 run-command API: add nascent "struct run_process_parallel_opts"Ævar Arnfjörð Bjarmason, Oct 12, 2022
  45. 14/22 run-command API: have run_process_parallel() take an "opts" structÆvar Arnfjörð Bjarmason, Oct 12, 2022
  46. 15/22 run-command API: move *_tr2() users to "run_processes_parallel()"Ævar Arnfjörð Bjarmason, Oct 12, 2022
  47. 16/22 run-command.c: make "struct parallel_processes" const if possibleÆvar Arnfjörð Bjarmason, Oct 12, 2022
  48. 17/22 run-command.c: don't copy *_fn to "struct parallel_processes"Ævar Arnfjörð Bjarmason, Oct 12, 2022
  49. 18/22 run-command.c: don't copy "ungroup" to "struct parallel_processes"Ævar Arnfjörð Bjarmason, Oct 12, 2022
  50. 19/22 run-command.c: don't copy "data" to "struct parallel_processes"Ævar Arnfjörð Bjarmason, Oct 12, 2022
  51. 21/22 run-command.c: pass "opts" further down, and use "opts->processes"Ævar Arnfjörð Bjarmason, Oct 12, 2022
  52. 20/22 run-command.c: use "opts->processes", not "pp->max_processes"Ævar Arnfjörð Bjarmason, Oct 12, 2022
  53. 22/22 run-command.c: remove "pp->max_processes", add "const" to signal() handlerÆvar Arnfjörð Bjarmason, Oct 12, 2022
  54. Ævar Arnfjörð BjarmasonOct 12, 2022
  55. Phillip WoodOct 12, 2022
  56. 00/15 run-command API: pass functions & opts via structÆvar Arnfjörð Bjarmason, Oct 12, 2022
  57. 01/15 run-command test helper: use "else if" patternÆvar Arnfjörð Bjarmason, Oct 12, 2022
  58. 02/15 run-command API: have "run_processes_parallel{,_tr2}()" return voidÆvar Arnfjörð Bjarmason, Oct 12, 2022
  59. 03/15 run-command tests: use "return", not "exit"Ævar Arnfjörð Bjarmason, Oct 12, 2022
  60. 04/15 run-command API: make "n" parameter a "size_t"Ævar Arnfjörð Bjarmason, Oct 12, 2022
  61. Phillip WoodOct 14, 2022
  62. 05/15 run-command API: don't fall back on online_cpus()Ævar Arnfjörð Bjarmason, Oct 12, 2022
  63. 06/15 run-command.c: use designated init for pp_init(), add "const"Ævar Arnfjörð Bjarmason, Oct 12, 2022
  64. 08/15 run-command API: move *_tr2() users to "run_processes_parallel()"Ævar Arnfjörð Bjarmason, Oct 12, 2022
  65. 07/15 run-command API: have run_process_parallel() take an "opts" structÆvar Arnfjörð Bjarmason, Oct 12, 2022
  66. Phillip WoodOct 14, 2022
  67. 09/15 run-command.c: make "struct parallel_processes" const if possibleÆvar Arnfjörð Bjarmason, Oct 12, 2022
  68. 13/15 run-command.c: use "opts->processes", not "pp->max_processes"Ævar Arnfjörð Bjarmason, Oct 12, 2022
  69. 11/15 run-command.c: don't copy "ungroup" to "struct parallel_processes"Ævar Arnfjörð Bjarmason, Oct 12, 2022
  70. 10/15 run-command.c: don't copy *_fn to "struct parallel_processes"Ævar Arnfjörð Bjarmason, Oct 12, 2022
  71. 14/15 run-command.c: pass "opts" further down, and use "opts->processes"Ævar Arnfjörð Bjarmason, Oct 12, 2022
  72. 15/15 run-command.c: remove "max_processes", add "const" to signal() handlerÆvar Arnfjörð Bjarmason, Oct 12, 2022
  73. Glen ChooOct 13, 2022
  74. 12/15 run-command.c: don't copy "data" to "struct parallel_processes"Ævar Arnfjörð Bjarmason, Oct 12, 2022
  75. Calvin WanOct 13, 2022
  76. Junio C HamanoOct 13, 2022
  77. Phillip WoodOct 14, 2022
  78. Ævar Arnfjörð BjarmasonOct 14, 2022
  79. Junio C HamanoOct 14, 2022

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