refactor userdiff textconv code
[git/git.git] / t / t4030-diff-textconv.sh
CommitLineData
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1#!/bin/sh
2
3test_description='diff.*.textconv tests'
4. ./test-lib.sh
5
6find_diff() {
7 sed '1,/^index /d' | sed '/^-- $/,$d'
8}
9
10cat >expect.binary <<'EOF'
11Binary files a/file and b/file differ
12EOF
13
14cat >expect.text <<'EOF'
15--- a/file
16+++ b/file
17@@ -1 +1,2 @@
18 0
19+1
20EOF
21
22cat >hexdump <<'EOF'
23#!/bin/sh
24perl -e '$/ = undef; $_ = <>; s/./ord($&)/ge; print $_' "$1"
25EOF
26chmod +x hexdump
27
28test_expect_success 'setup binary file with history' '
29 printf "\\0\\n" >file &&
30 git add file &&
31 git commit -m one &&
32 printf "\\1\\n" >>file &&
33 git add file &&
34 git commit -m two
35'
36
37test_expect_success 'file is considered binary by porcelain' '
38 git diff HEAD^ HEAD >diff &&
39 find_diff <diff >actual &&
40 test_cmp expect.binary actual
41'
42
43test_expect_success 'file is considered binary by plumbing' '
44 git diff-tree -p HEAD^ HEAD >diff &&
45 find_diff <diff >actual &&
46 test_cmp expect.binary actual
47'
48
49test_expect_success 'setup textconv filters' '
50 echo file diff=foo >.gitattributes &&
51 git config diff.foo.textconv "$PWD"/hexdump &&
52 git config diff.fail.textconv false
53'
54
04427ac8 55test_expect_success 'diff produces text' '
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56 git diff HEAD^ HEAD >diff &&
57 find_diff <diff >actual &&
58 test_cmp expect.text actual
59'
60
61test_expect_success 'diff-tree produces binary' '
62 git diff-tree -p HEAD^ HEAD >diff &&
63 find_diff <diff >actual &&
64 test_cmp expect.binary actual
65'
66
04427ac8 67test_expect_success 'log produces text' '
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68 git log -1 -p >log &&
69 find_diff <log >actual &&
70 test_cmp expect.text actual
71'
72
73test_expect_failure 'format-patch produces binary' '
74 git format-patch --no-binary --stdout HEAD^ >patch &&
75 find_diff <patch >actual &&
76 test_cmp expect.binary actual
77'
78
79cat >expect.stat <<'EOF'
80 file | Bin 2 -> 4 bytes
81 1 files changed, 0 insertions(+), 0 deletions(-)
82EOF
04427ac8 83test_expect_success 'diffstat does not run textconv' '
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84 echo file diff=fail >.gitattributes &&
85 git diff --stat HEAD^ HEAD >actual &&
86 test_cmp expect.stat actual
87'
88# restore working setup
89echo file diff=foo >.gitattributes
90
91cat >expect.typechange <<'EOF'
92--- a/file
93+++ /dev/null
94@@ -1,2 +0,0 @@
95-0
96-1
97diff --git a/file b/file
98new file mode 120000
99index ad8b3d2..67be421
100--- /dev/null
101+++ b/file
102@@ -0,0 +1 @@
103+frotz
104\ No newline at end of file
105EOF
106# make a symlink the hard way that works on symlink-challenged file systems
107test_expect_failure 'textconv does not act on symlinks' '
108 echo -n frotz > file &&
109 git add file &&
110 git ls-files -s | sed -e s/100644/120000/ |
111 git update-index --index-info &&
112 git commit -m typechange &&
113 git show >diff &&
114 find_diff <diff >actual &&
115 test_cmp expect.typechange actual
116'
117
118test_done