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git/t/t4052-stat-output.sh
Nguyễn Thái Ngọc Duy 071dd0ba43 format-patch: reduce patch diffstat width to 72
Patches generated by format-patch are meant to be exchanged as emails,
most of the time. And since it's generally agreed that text in mails
should be wrapped around 70 columns or so, make sure these diffstat
follow the convention (especially when used with --cover-letter since we
already defaults to wrapping 72 columns). The default can still be
overriden with command line options.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2018-02-02 10:40:34 -08:00

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#!/bin/sh
#
# Copyright (c) 2012 Zbigniew Jędrzejewski-Szmek
#
test_description='test --stat output of various commands'
. ./test-lib.sh
. "$TEST_DIRECTORY"/lib-terminal.sh
# 120 character name
name=aaaaaaaaaa
name=$name$name$name$name$name$name$name$name$name$name$name$name
test_expect_success 'preparation' '
>"$name" &&
git add "$name" &&
git commit -m message &&
echo a >"$name" &&
git commit -m message "$name"
'
cat >expect72 <<-'EOF'
...aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa | 1 +
EOF
test_expect_success "format-patch: small change with long name gives more space to the name" '
git format-patch -1 --stdout >output &&
grep " | " output >actual &&
test_cmp expect72 actual
'
while read cmd args
do
cat >expect80 <<-'EOF'
...aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa | 1 +
EOF
test_expect_success "$cmd: small change with long name gives more space to the name" '
git $cmd $args >output &&
grep " | " output >actual &&
test_cmp expect80 actual
'
done <<\EOF
diff HEAD^ HEAD --stat
show --stat
log -1 --stat
EOF
while read cmd args
do
cat >expect <<-'EOF'
...aaaaaaaaaaaaaaaaaaaaaaaaaaaaa | 1 +
EOF
test_expect_success "$cmd --stat=width: a long name is given more room when the bar is short" '
git $cmd $args --stat=40 >output &&
grep " | " output >actual &&
test_cmp expect actual
'
test_expect_success "$cmd --stat-width=width with long name" '
git $cmd $args --stat-width=40 >output &&
grep " | " output >actual &&
test_cmp expect actual
'
cat >expect <<-'EOF'
...aaaaaaaaaaaaaaaaaaaaaaaaaaa | 1 +
EOF
test_expect_success "$cmd --stat=...,name-width with long name" '
git $cmd $args --stat=60,30 >output &&
grep " | " output >actual &&
test_cmp expect actual
'
test_expect_success "$cmd --stat-name-width with long name" '
git $cmd $args --stat-name-width=30 >output &&
grep " | " output >actual &&
test_cmp expect actual
'
done <<\EOF
format-patch -1 --stdout
diff HEAD^ HEAD --stat
show --stat
log -1 --stat
EOF
test_expect_success 'preparation for big change tests' '
>abcd &&
git add abcd &&
git commit -m message &&
i=0 &&
while test $i -lt 1000
do
echo $i && i=$(($i + 1))
done >abcd &&
git commit -m message abcd
'
cat >expect72 <<'EOF'
abcd | 1000 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
EOF
cat >expect72-graph <<'EOF'
| abcd | 1000 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
EOF
cat >expect200 <<'EOF'
abcd | 1000 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
EOF
cat >expect200-graph <<'EOF'
| abcd | 1000 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
EOF
while read verb expect cmd args
do
test_expect_success "$cmd $verb COLUMNS (big change)" '
COLUMNS=200 git $cmd $args >output &&
grep " | " output >actual &&
test_cmp "$expect" actual
'
case "$cmd" in diff|show) continue;; esac
test_expect_success "$cmd --graph $verb COLUMNS (big change)" '
COLUMNS=200 git $cmd $args --graph >output &&
grep " | " output >actual &&
test_cmp "$expect-graph" actual
'
done <<\EOF
ignores expect72 format-patch -1 --stdout
respects expect200 diff HEAD^ HEAD --stat
respects expect200 show --stat
respects expect200 log -1 --stat
EOF
cat >expect40 <<'EOF'
abcd | 1000 ++++++++++++++++++++++++++
EOF
cat >expect40-graph <<'EOF'
| abcd | 1000 ++++++++++++++++++++++++
EOF
while read verb expect cmd args
do
test_expect_success "$cmd $verb not enough COLUMNS (big change)" '
COLUMNS=40 git $cmd $args >output &&
grep " | " output >actual &&
test_cmp "$expect" actual
'
case "$cmd" in diff|show) continue;; esac
test_expect_success "$cmd --graph $verb not enough COLUMNS (big change)" '
COLUMNS=40 git $cmd $args --graph >output &&
grep " | " output >actual &&
test_cmp "$expect-graph" actual
'
done <<\EOF
ignores expect72 format-patch -1 --stdout
respects expect40 diff HEAD^ HEAD --stat
respects expect40 show --stat
respects expect40 log -1 --stat
EOF
cat >expect40 <<'EOF'
abcd | 1000 ++++++++++++++++++++++++++
EOF
cat >expect40-graph <<'EOF'
| abcd | 1000 ++++++++++++++++++++++++++
EOF
while read verb expect cmd args
do
test_expect_success "$cmd $verb statGraphWidth config" '
git -c diff.statGraphWidth=26 $cmd $args >output &&
grep " | " output >actual &&
test_cmp "$expect" actual
'
case "$cmd" in diff|show) continue;; esac
test_expect_success "$cmd --graph $verb statGraphWidth config" '
git -c diff.statGraphWidth=26 $cmd $args --graph >output &&
grep " | " output >actual &&
test_cmp "$expect-graph" actual
'
done <<\EOF
ignores expect72 format-patch -1 --stdout
respects expect40 diff HEAD^ HEAD --stat
respects expect40 show --stat
respects expect40 log -1 --stat
EOF
cat >expect <<'EOF'
abcd | 1000 ++++++++++++++++++++++++++
EOF
cat >expect-graph <<'EOF'
| abcd | 1000 ++++++++++++++++++++++++++
EOF
while read cmd args
do
test_expect_success "$cmd --stat=width with big change" '
git $cmd $args --stat=40 >output &&
grep " | " output >actual &&
test_cmp expect actual
'
test_expect_success "$cmd --stat-width=width with big change" '
git $cmd $args --stat-width=40 >output &&
grep " | " output >actual &&
test_cmp expect actual
'
test_expect_success "$cmd --stat-graph-width with big change" '
git $cmd $args --stat-graph-width=26 >output &&
grep " | " output >actual &&
test_cmp expect actual
'
case "$cmd" in diff|show) continue;; esac
test_expect_success "$cmd --stat-width=width --graph with big change" '
git $cmd $args --stat-width=40 --graph >output &&
grep " | " output >actual &&
test_cmp expect-graph actual
'
test_expect_success "$cmd --stat-graph-width --graph with big change" '
git $cmd $args --stat-graph-width=26 --graph >output &&
grep " | " output >actual &&
test_cmp expect-graph actual
'
done <<\EOF
format-patch -1 --stdout
diff HEAD^ HEAD --stat
show --stat
log -1 --stat
EOF
test_expect_success 'preparation for long filename tests' '
cp abcd aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa &&
git add aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa &&
git commit -m message
'
cat >expect <<'EOF'
...aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa | 1000 ++++++++++++
EOF
cat >expect-graph <<'EOF'
| ...aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa | 1000 ++++++++++++
EOF
while read cmd args
do
test_expect_success "$cmd --stat=width with big change is more balanced" '
git $cmd $args --stat-width=60 >output &&
grep " | " output >actual &&
test_cmp expect actual
'
case "$cmd" in diff|show) continue;; esac
test_expect_success "$cmd --stat=width --graph with big change is balanced" '
git $cmd $args --stat-width=60 --graph >output &&
grep " | " output >actual &&
test_cmp expect-graph actual
'
done <<\EOF
format-patch -1 --stdout
diff HEAD^ HEAD --stat
show --stat
log -1 --stat
EOF
cat >expect72 <<'EOF'
...aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa | 1000 +++++++++++++++++
EOF
cat >expect72-graph <<'EOF'
| ...aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa | 1000 +++++++++++++++++
EOF
cat >expect200 <<'EOF'
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa | 1000 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
EOF
cat >expect200-graph <<'EOF'
| aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa | 1000 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
EOF
while read verb expect cmd args
do
test_expect_success "$cmd $verb COLUMNS (long filename)" '
COLUMNS=200 git $cmd $args >output &&
grep " | " output >actual &&
test_cmp "$expect" actual
'
case "$cmd" in diff|show) continue;; esac
test_expect_success "$cmd --graph $verb COLUMNS (long filename)" '
COLUMNS=200 git $cmd $args --graph >output &&
grep " | " output >actual &&
test_cmp "$expect-graph" actual
'
done <<\EOF
ignores expect72 format-patch -1 --stdout
respects expect200 diff HEAD^ HEAD --stat
respects expect200 show --stat
respects expect200 log -1 --stat
EOF
cat >expect1 <<'EOF'
...aaaaaaa | 1000 ++++++
EOF
cat >expect1-graph <<'EOF'
| ...aaaaaaa | 1000 ++++++
EOF
while read verb expect cmd args
do
test_expect_success COLUMNS_CAN_BE_1 \
"$cmd $verb prefix greater than COLUMNS (big change)" '
COLUMNS=1 git $cmd $args >output &&
grep " | " output >actual &&
test_cmp "$expect" actual
'
case "$cmd" in diff|show) continue;; esac
test_expect_success COLUMNS_CAN_BE_1 \
"$cmd --graph $verb prefix greater than COLUMNS (big change)" '
COLUMNS=1 git $cmd $args --graph >output &&
grep " | " output >actual &&
test_cmp "$expect-graph" actual
'
done <<\EOF
ignores expect72 format-patch -1 --stdout
respects expect1 diff HEAD^ HEAD --stat
respects expect1 show --stat
respects expect1 log -1 --stat
EOF
cat >expect <<'EOF'
abcd | 1000 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
EOF
test_expect_success 'merge --stat respects COLUMNS (big change)' '
git checkout -b branch HEAD^^ &&
COLUMNS=100 git merge --stat --no-ff master^ >output &&
grep " | " output >actual &&
test_cmp expect actual
'
cat >expect <<'EOF'
aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa | 1000 +++++++++++++++++++++++++++++++++++++++
EOF
test_expect_success 'merge --stat respects COLUMNS (long filename)' '
COLUMNS=100 git merge --stat --no-ff master >output &&
grep " | " output >actual &&
test_cmp expect actual
'
test_done