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authorSZEDER Gábor <szeder.dev@gmail.com>2019-09-16 20:54:12 (GMT)
committerJunio C Hamano <gitster@pobox.com>2019-09-17 16:39:16 (GMT)
commit2bb74b53a49f92d433057f4d560b33f1fe2f770a (patch)
treeab34c2711e74477c231623b005a0b53e60ef0fe0 /t/helper/test-tool.c
parentbbf47568ad7e91ab0962b314c054a2da03232c72 (diff)
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Test the progress display
'progress.c' has seen a few fixes recently [1], and, unfortunately, some of those fixes required further fixes [2]. It seems it's time to have a few tests focusing on the subtleties of the progress display. Add the 'test-tool progress' subcommand to help testing the progress display, reading instructions from standard input and turning them into calls to the display_progress() and display_throughput() functions with the given parameters. The progress display is, however, critically dependent on timing, because it's only updated once every second or, if the toal is known in advance, every 1%, and there is the throughput rate as well. These make the progress display far too undeterministic for testing as-is. To address this, add a few testing-specific variables and functions to 'progress.c', allowing the the new test helper to: - Disable the triggered-every-second SIGALRM and set the 'progress_update' flag explicitly based in the input instructions. This way the progress line will be updated deterministically when the test wants it to be updated. - Specify the time elapsed since start_progress() to make the throughput rate calculations deterministic. Add the new test script 't0500-progress-display.sh' to check a few simple cases with and without throughput, and that a shorter progress line properly covers up the previously displayed line in different situations. [1] See commits 545dc345eb (progress: break too long progress bar lines, 2019-04-12) and 9f1fd84e15 (progress: clear previous progress update dynamically, 2019-04-12). [2] 1aed1a5f25 (progress: avoid empty line when breaking the progress line, 2019-05-19) Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 't/helper/test-tool.c')
-rw-r--r--t/helper/test-tool.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/t/helper/test-tool.c b/t/helper/test-tool.c
index ce7e890..19ee26d 100644
--- a/t/helper/test-tool.c
+++ b/t/helper/test-tool.c
@@ -42,6 +42,7 @@ static struct test_cmd cmds[] = {
{ "path-utils", cmd__path_utils },
{ "pkt-line", cmd__pkt_line },
{ "prio-queue", cmd__prio_queue },
+ { "progress", cmd__progress },
{ "reach", cmd__reach },
{ "read-cache", cmd__read_cache },
{ "read-midx", cmd__read_midx },