diff: tweak a _copy_ of diff_options with word-diff

[git.git] / t / t4034-diff-words.sh

diff --git a/t/t4034-diff-words.sh b/t/t4034-diff-words.sh
index 6f1e5a2a15f0215e4ed7c19437f5d000edbbd255..30d42cb3bfd856a7d920119f1c4226c408a8f82f 100755 (executable)
--- a/t/t4034-diff-words.sh
+++ b/t/t4034-diff-words.sh
@@ -3,6 +3,7 @@
 test_description='word diff colors'
 
 . ./test-lib.sh
+. "$TEST_DIRECTORY"/diff-lib.sh
 
 cat >pre.simple <<-\EOF
        h(4)
@@ -293,6 +294,10 @@ test_expect_success '--word-diff=none' '
        word_diff --word-diff=plain --word-diff=none
 '
 
+test_expect_success 'unset default driver' '
+       test_unconfig diff.wordregex
+'
+
 test_language_driver bibtex
 test_language_driver cpp
 test_language_driver csharp
@@ -334,4 +339,49 @@ test_expect_success 'word-diff with diff.sbe' '
        word_diff --word-diff=plain
 '
 
+test_expect_success 'word-diff with no newline at EOF' '
+       cat >expect <<-\EOF &&
+       diff --git a/pre b/post
+       index 7bf316e..3dd0303 100644
+       --- a/pre
+       +++ b/post
+       @@ -1 +1 @@
+       a a [-a-]{+ab+} a a
+       EOF
+       printf "%s" "a a a a a" >pre &&
+       printf "%s" "a a ab a a" >post &&
+       word_diff --word-diff=plain
+'
+
+test_expect_success 'setup history with two files' '
+       echo "a b; c" >a.tex &&
+       echo "a b; c" >z.txt &&
+       git add a.tex z.txt &&
+       git commit -minitial &&
+
+       # modify both
+       echo "a bx; c" >a.tex &&
+       echo "a bx; c" >z.txt &&
+       git commit -mmodified -a
+'
+
+test_expect_success 'wordRegex for the first file does not apply to the second' '
+       echo "*.tex diff=tex" >.gitattributes &&
+       git config diff.tex.wordRegex "[a-z]+|." &&
+       cat >expect <<-\EOF &&
+               diff --git a/a.tex b/a.tex
+               --- a/a.tex
+               +++ b/a.tex
+               @@ -1 +1 @@
+               a [-b-]{+bx+}; c
+               diff --git a/z.txt b/z.txt
+               --- a/z.txt
+               +++ b/z.txt
+               @@ -1 +1 @@
+               a [-b;-]{+bx;+} c
+       EOF
+       git diff --word-diff HEAD~ >actual &&
+       compare_diff_patch expect actual
+'
+
 test_done