342 lines
6.6 KiB
Bash
342 lines
6.6 KiB
Bash
|
#!/bin/sh
|
||
|
|
|
||
|
|
test_description='Test diff-highlight'
|
||
|
|
|
||
|
|
CURR_DIR=$(pwd)
|
||
|
|
TEST_OUTPUT_DIRECTORY=$(pwd)
|
||
|
|
TEST_DIRECTORY="$CURR_DIR"/../../../t
|
||
|
|
DIFF_HIGHLIGHT="$CURR_DIR"/../diff-highlight
|
||
|
|
|
||
|
|
CW="$(printf "\033[7m")" # white
|
||
|
|
CR="$(printf "\033[27m")" # reset
|
||
|
|
|
||
|
|
. "$TEST_DIRECTORY"/test-lib.sh
|
||
|
|
|
||
|
|
if ! test_have_prereq PERL
|
||
|
|
then
|
||
|
|
skip_all='skipping diff-highlight tests; perl not available'
|
||
|
|
test_done
|
||
|
|
fi
|
||
|
|
|
||
|
|
# dh_test is a test helper function which takes 3 file names as parameters. The
|
||
|
|
# first 2 files are used to generate diff and commit output, which is then
|
||
|
|
# piped through diff-highlight. The 3rd file should contain the expected output
|
||
|
|
# of diff-highlight (minus the diff/commit header, ie. everything after and
|
||
|
|
# including the first @@ line).
|
||
|
|
dh_test () {
|
||
|
|
a="$1" b="$2" &&
|
||
|
|
|
||
|
|
cat >patch.exp &&
|
||
|
|
|
||
|
|
{
|
||
|
|
cat "$a" >file &&
|
||
|
|
git add file &&
|
||
|
|
git commit -m "Add a file" &&
|
||
|
|
|
||
|
|
cat "$b" >file &&
|
||
|
|
git diff file >diff.raw &&
|
||
|
|
git commit -a -m "Update a file" &&
|
||
|
|
git show >commit.raw
|
||
|
|
} >/dev/null &&
|
||
|
|
|
||
|
|
"$DIFF_HIGHLIGHT" <diff.raw | test_strip_patch_header >diff.act &&
|
||
|
|
"$DIFF_HIGHLIGHT" <commit.raw | test_strip_patch_header >commit.act &&
|
||
|
|
test_cmp patch.exp diff.act &&
|
||
|
|
test_cmp patch.exp commit.act
|
||
|
|
}
|
||
|
|
|
||
|
|
test_strip_patch_header () {
|
||
|
|
sed -n '/^@@/,$p' $*
|
||
|
|
}
|
||
|
|
|
||
|
|
# dh_test_setup_history generates a contrived graph such that we have at least
|
||
|
|
# 1 nesting (E) and 2 nestings (F).
|
||
|
|
#
|
||
|
|
# A---B master
|
||
|
|
# /
|
||
|
|
# D---E---F branch
|
||
|
|
#
|
||
|
|
# git log --all --graph
|
||
|
|
# * commit
|
||
|
|
# | B
|
||
|
|
# | * commit
|
||
|
|
# | | F
|
||
|
|
# * | commit
|
||
|
|
# | | A
|
||
|
|
# | * commit
|
||
|
|
# |/
|
||
|
|
# | E
|
||
|
|
# * commit
|
||
|
|
# D
|
||
|
|
#
|
||
|
|
dh_test_setup_history () {
|
||
|
|
echo file1 >file &&
|
||
|
|
git add file &&
|
||
|
|
test_tick &&
|
||
|
|
git commit -m "D" &&
|
||
|
|
|
||
|
|
git checkout -b branch &&
|
||
|
|
echo file2 >file &&
|
||
|
|
test_tick &&
|
||
|
|
git commit -a -m "E" &&
|
||
|
|
|
||
|
|
git checkout master &&
|
||
|
|
echo file2 >file &&
|
||
|
|
test_tick &&
|
||
|
|
git commit -a -m "A" &&
|
||
|
|
|
||
|
|
git checkout branch &&
|
||
|
|
echo file3 >file &&
|
||
|
|
test_tick &&
|
||
|
|
git commit -a -m "F" &&
|
||
|
|
|
||
|
|
git checkout master &&
|
||
|
|
echo file3 >file &&
|
||
|
|
test_tick &&
|
||
|
|
git commit -a -m "B"
|
||
|
|
}
|
||
|
|
|
||
|
|
left_trim () {
|
||
|
|
"$PERL_PATH" -pe 's/^\s+//'
|
||
|
|
}
|
||
|
|
|
||
|
|
trim_graph () {
|
||
|
|
# graphs start with * or |
|
||
|
|
# followed by a space or / or \
|
||
|
|
"$PERL_PATH" -pe 's@^((\*|\|)( |/|\\))+@@'
|
||
|
|
}
|
||
|
|
|
||
|
|
test_expect_success 'diff-highlight highlights the beginning of a line' '
|
||
|
|
cat >a <<-\EOF &&
|
||
|
|
aaa
|
||
|
|
bbb
|
||
|
|
ccc
|
||
|
|
EOF
|
||
|
|
|
||
|
|
cat >b <<-\EOF &&
|
||
|
|
aaa
|
||
|
|
0bb
|
||
|
|
ccc
|
||
|
|
EOF
|
||
|
|
|
||
|
|
dh_test a b <<-EOF
|
||
|
|
@@ -1,3 +1,3 @@
|
||
|
|
aaa
|
||
|
|
-${CW}b${CR}bb
|
||
|
|
+${CW}0${CR}bb
|
||
|
|
ccc
|
||
|
|
EOF
|
||
|
|
'
|
||
|
|
|
||
|
|
test_expect_success 'diff-highlight highlights the end of a line' '
|
||
|
|
cat >a <<-\EOF &&
|
||
|
|
aaa
|
||
|
|
bbb
|
||
|
|
ccc
|
||
|
|
EOF
|
||
|
|
|
||
|
|
cat >b <<-\EOF &&
|
||
|
|
aaa
|
||
|
|
bb0
|
||
|
|
ccc
|
||
|
|
EOF
|
||
|
|
|
||
|
|
dh_test a b <<-EOF
|
||
|
|
@@ -1,3 +1,3 @@
|
||
|
|
aaa
|
||
|
|
-bb${CW}b${CR}
|
||
|
|
+bb${CW}0${CR}
|
||
|
|
ccc
|
||
|
|
EOF
|
||
|
|
'
|
||
|
|
|
||
|
|
test_expect_success 'diff-highlight highlights the middle of a line' '
|
||
|
|
cat >a <<-\EOF &&
|
||
|
|
aaa
|
||
|
|
bbb
|
||
|
|
ccc
|
||
|
|
EOF
|
||
|
|
|
||
|
|
cat >b <<-\EOF &&
|
||
|
|
aaa
|
||
|
|
b0b
|
||
|
|
ccc
|
||
|
|
EOF
|
||
|
|
|
||
|
|
dh_test a b <<-EOF
|
||
|
|
@@ -1,3 +1,3 @@
|
||
|
|
aaa
|
||
|
|
-b${CW}b${CR}b
|
||
|
|
+b${CW}0${CR}b
|
||
|
|
ccc
|
||
|
|
EOF
|
||
|
|
'
|
||
|
|
|
||
|
|
test_expect_success 'diff-highlight does not highlight whole line' '
|
||
|
|
cat >a <<-\EOF &&
|
||
|
|
aaa
|
||
|
|
bbb
|
||
|
|
ccc
|
||
|
|
EOF
|
||
|
|
|
||
|
|
cat >b <<-\EOF &&
|
||
|
|
aaa
|
||
|
|
000
|
||
|
|
ccc
|
||
|
|
EOF
|
||
|
|
|
||
|
|
dh_test a b <<-EOF
|
||
|
|
@@ -1,3 +1,3 @@
|
||
|
|
aaa
|
||
|
|
-bbb
|
||
|
|
+000
|
||
|
|
ccc
|
||
|
|
EOF
|
||
|
|
'
|
||
|
|
|
||
|
|
test_expect_failure 'diff-highlight highlights mismatched hunk size' '
|
||
|
|
cat >a <<-\EOF &&
|
||
|
|
aaa
|
||
|
|
bbb
|
||
|
|
EOF
|
||
|
|
|
||
|
|
cat >b <<-\EOF &&
|
||
|
|
aaa
|
||
|
|
b0b
|
||
|
|
ccc
|
||
|
|
EOF
|
||
|
|
|
||
|
|
dh_test a b <<-EOF
|
||
|
|
@@ -1,3 +1,3 @@
|
||
|
|
aaa
|
||
|
|
-b${CW}b${CR}b
|
||
|
|
+b${CW}0${CR}b
|
||
|
|
+ccc
|
||
|
|
EOF
|
||
|
|
'
|
||
|
|
|
||
|
|
# These two code points share the same leading byte in UTF-8 representation;
|
||
|
|
# a naive byte-wise diff would highlight only the second byte.
|
||
|
|
#
|
||
|
|
# - U+00f3 ("o" with acute)
|
||
|
|
o_accent=$(printf '\303\263')
|
||
|
|
# - U+00f8 ("o" with stroke)
|
||
|
|
o_stroke=$(printf '\303\270')
|
||
|
|
|
||
|
|
test_expect_success 'diff-highlight treats multibyte utf-8 as a unit' '
|
||
|
|
echo "unic${o_accent}de" >a &&
|
||
|
|
echo "unic${o_stroke}de" >b &&
|
||
|
|
dh_test a b <<-EOF
|
||
|
|
@@ -1 +1 @@
|
||
|
|
-unic${CW}${o_accent}${CR}de
|
||
|
|
+unic${CW}${o_stroke}${CR}de
|
||
|
|
EOF
|
||
|
|
'
|
||
|
|
|
||
|
|
# Unlike the UTF-8 above, these are combining code points which are meant
|
||
|
|
# to modify the character preceding them:
|
||
|
|
#
|
||
|
|
# - U+0301 (combining acute accent)
|
||
|
|
combine_accent=$(printf '\314\201')
|
||
|
|
# - U+0302 (combining circumflex)
|
||
|
|
combine_circum=$(printf '\314\202')
|
||
|
|
|
||
|
|
test_expect_failure 'diff-highlight treats combining code points as a unit' '
|
||
|
|
echo "unico${combine_accent}de" >a &&
|
||
|
|
echo "unico${combine_circum}de" >b &&
|
||
|
|
dh_test a b <<-EOF
|
||
|
|
@@ -1 +1 @@
|
||
|
|
-unic${CW}o${combine_accent}${CR}de
|
||
|
|
+unic${CW}o${combine_circum}${CR}de
|
||
|
|
EOF
|
||
|
|
'
|
||
|
|
|
||
|
|
test_expect_success 'diff-highlight works with the --graph option' '
|
||
|
|
dh_test_setup_history &&
|
||
|
|
|
||
|
|
# date-order so that the commits are interleaved for both
|
||
|
|
# trim graph elements so we can do a diff
|
||
|
|
# trim leading space because our trim_graph is not perfect
|
||
|
|
git log --branches -p --date-order |
|
||
|
|
"$DIFF_HIGHLIGHT" | left_trim >graph.exp &&
|
||
|
|
git log --branches -p --date-order --graph |
|
||
|
|
"$DIFF_HIGHLIGHT" | trim_graph | left_trim >graph.act &&
|
||
|
|
test_cmp graph.exp graph.act
|
||
|
|
'
|
||
|
|
|
||
|
|
# Just reuse the previous graph test, but with --color. Our trimming
|
||
|
|
# doesn't know about color, so just sanity check that something got
|
||
|
|
# highlighted.
|
||
|
|
test_expect_success 'diff-highlight works with color graph' '
|
||
|
|
git log --branches -p --date-order --graph --color |
|
||
|
|
"$DIFF_HIGHLIGHT" | trim_graph | left_trim >graph &&
|
||
|
|
grep "\[7m" graph
|
||
|
|
'
|
||
|
|
|
||
|
|
# Most combined diffs won't meet diff-highlight's line-number filter. So we
|
||
|
|
# create one here where one side drops a line and the other modifies it. That
|
||
|
|
# should result in a diff like:
|
||
|
|
#
|
||
|
|
# - modified content
|
||
|
|
# ++resolved content
|
||
|
|
#
|
||
|
|
# which naively looks like one side added "+resolved".
|
||
|
|
test_expect_success 'diff-highlight ignores combined diffs' '
|
||
|
|
echo "content" >file &&
|
||
|
|
git add file &&
|
||
|
|
git commit -m base &&
|
||
|
|
|
||
|
|
>file &&
|
||
|
|
git commit -am master &&
|
||
|
|
|
||
|
|
git checkout -b other HEAD^ &&
|
||
|
|
echo "modified content" >file &&
|
||
|
|
git commit -am other &&
|
||
|
|
|
||
|
|
test_must_fail git merge master &&
|
||
|
|
echo "resolved content" >file &&
|
||
|
|
git commit -am resolved &&
|
||
|
|
|
||
|
|
cat >expect <<-\EOF &&
|
||
|
|
--- a/file
|
||
|
|
+++ b/file
|
||
|
|
@@@ -1,1 -1,0 +1,1 @@@
|
||
|
|
- modified content
|
||
|
|
++resolved content
|
||
|
|
EOF
|
||
|
|
|
||
|
|
git show -c | "$DIFF_HIGHLIGHT" >actual.raw &&
|
||
|
|
sed -n "/^---/,\$p" <actual.raw >actual &&
|
||
|
|
test_cmp expect actual
|
||
|
|
'
|
||
|
|
|
||
|
|
test_expect_success 'diff-highlight handles --graph with leading dash' '
|
||
|
|
cat >file <<-\EOF &&
|
||
|
|
before
|
||
|
|
the old line
|
||
|
|
-leading dash
|
||
|
|
EOF
|
||
|
|
git add file &&
|
||
|
|
git commit -m before &&
|
||
|
|
|
||
|
|
sed s/old/new/ <file >file.tmp &&
|
||
|
|
mv file.tmp file &&
|
||
|
|
git add file &&
|
||
|
|
git commit -m after &&
|
||
|
|
|
||
|
|
cat >expect <<-EOF &&
|
||
|
|
--- a/file
|
||
|
|
+++ b/file
|
||
|
|
@@ -1,3 +1,3 @@
|
||
|
|
before
|
||
|
|
-the ${CW}old${CR} line
|
||
|
|
+the ${CW}new${CR} line
|
||
|
|
-leading dash
|
||
|
|
EOF
|
||
|
|
git log --graph -p -1 | "$DIFF_HIGHLIGHT" >actual.raw &&
|
||
|
|
trim_graph <actual.raw | sed -n "/^---/,\$p" >actual &&
|
||
|
|
test_cmp expect actual
|
||
|
|
'
|
||
|
|
|
||
|
|
test_done
|