diff mbox series

[v2,01/12] diff --color-moved: add perf tests

Message ID 8fc8914a37b3c343cd92bb0255088f7b000ff7f7.1626777393.git.gitgitgadget@gmail.com (mailing list archive)
State Accepted
Commit f6cd080bd2d6d6e721a52661a5da19f8835a01c3
Headers show
Series diff --color-moved[-ws] speedups | expand

Commit Message

Phillip Wood July 20, 2021, 10:36 a.m. UTC 
From: Phillip Wood <phillip.wood@dunelm.org.uk>

Add some tests so we can monitor changes to the performance of the
move detection code. The tests record the performance of a single
large diff and a sequence of smaller diffs.

Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
---
 t/perf/p4002-diff-color-moved.sh | 45 ++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100755 t/perf/p4002-diff-color-moved.sh
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Patch

diff --git a/t/perf/p4002-diff-color-moved.sh b/t/perf/p4002-diff-color-moved.sh
new file mode 100755
index 00000000000..ad56bcb71e4
--- /dev/null
+++ b/t/perf/p4002-diff-color-moved.sh
@@ -0,0 +1,45 @@ 
+#!/bin/sh
+
+test_description='Tests diff --color-moved performance'
+. ./perf-lib.sh
+
+test_perf_default_repo
+
+if ! git rev-parse --verify v2.29.0^{commit} >/dev/null
+then
+	skip_all='skipping because tag v2.29.0 was not found'
+	test_done
+fi
+
+GIT_PAGER_IN_USE=1
+test_export GIT_PAGER_IN_USE
+
+test_perf 'diff --no-color-moved --no-color-moved-ws large change' '
+	git diff --no-color-moved --no-color-moved-ws v2.28.0 v2.29.0
+'
+
+test_perf 'diff --color-moved --no-color-moved-ws large change' '
+	git diff --color-moved=zebra --no-color-moved-ws v2.28.0 v2.29.0
+'
+
+test_perf 'diff --color-moved-ws=allow-indentation-change large change' '
+	git diff --color-moved=zebra --color-moved-ws=allow-indentation-change \
+		v2.28.0 v2.29.0
+'
+
+test_perf 'log --no-color-moved --no-color-moved-ws' '
+	git log --no-color-moved --no-color-moved-ws --no-merges --patch \
+		-n1000 v2.29.0
+'
+
+test_perf 'log --color-moved --no-color-moved-ws' '
+	git log --color-moved=zebra --no-color-moved-ws --no-merges --patch \
+		-n1000 v2.29.0
+'
+
+test_perf 'log --color-moved-ws=allow-indentation-change' '
+	git log --color-moved=zebra --color-moved-ws=allow-indentation-change \
+		--no-merges --patch -n1000 v2.29.0
+'
+
+test_done