]> git.ipfire.org Git - thirdparty/git.git/blobdiff - t/t4034-diff-words.sh
docs: don't mention --quiet or --exit-code in git-log(1)
[thirdparty/git.git] / t / t4034-diff-words.sh
index 3f3c7577ca85c92e5ff986044e0c4afa95bf608d..c374aa4c1c60e9a12cf1ebf5587daf3656e4851a 100755 (executable)
@@ -4,331 +4,333 @@ test_description='word diff colors'
 
 . ./test-lib.sh
 
-test_expect_success setup '
-
-       git config diff.color.old red
-       git config diff.color.new green
-       git config diff.color.func magenta
+cat >pre.simple <<-\EOF
+       h(4)
 
-'
+       a = b + c
+EOF
+cat >post.simple <<-\EOF
+       h(4),hh[44]
 
-word_diff () {
-       test_must_fail git diff --no-index "$@" pre post > output &&
-       test_decode_color <output >output.decrypted &&
-       test_cmp expect output.decrypted
-}
+       a = b + c
 
-cat > pre <<\EOF
-h(4)
+       aa = a
 
-a = b + c
+       aeff = aeff * ( aaa )
 EOF
+cat >expect.letter-runs-are-words <<-\EOF
+       <BOLD>diff --git a/pre b/post<RESET>
+       <BOLD>index 330b04f..5ed8eff 100644<RESET>
+       <BOLD>--- a/pre<RESET>
+       <BOLD>+++ b/post<RESET>
+       <CYAN>@@ -1,3 +1,7 @@<RESET>
+       h(4),<GREEN>hh<RESET>[44]
 
-cat > post <<\EOF
-h(4),hh[44]
+       a = b + c<RESET>
 
-a = b + c
+       <GREEN>aa = a<RESET>
 
-aa = a
-
-aeff = aeff * ( aaa )
+       <GREEN>aeff = aeff * ( aaa<RESET> )
 EOF
+cat >expect.non-whitespace-is-word <<-\EOF
+       <BOLD>diff --git a/pre b/post<RESET>
+       <BOLD>index 330b04f..5ed8eff 100644<RESET>
+       <BOLD>--- a/pre<RESET>
+       <BOLD>+++ b/post<RESET>
+       <CYAN>@@ -1,3 +1,7 @@<RESET>
+       h(4)<GREEN>,hh[44]<RESET>
 
-cat > expect <<\EOF
-<BOLD>diff --git a/pre b/post<RESET>
-<BOLD>index 330b04f..5ed8eff 100644<RESET>
-<BOLD>--- a/pre<RESET>
-<BOLD>+++ b/post<RESET>
-<CYAN>@@ -1,3 +1,7 @@<RESET>
-<RED>h(4)<RESET><GREEN>h(4),hh[44]<RESET>
-
-a = b + c<RESET>
+       a = b + c<RESET>
 
-<GREEN>aa = a<RESET>
+       <GREEN>aa = a<RESET>
 
-<GREEN>aeff = aeff * ( aaa )<RESET>
+       <GREEN>aeff = aeff * ( aaa )<RESET>
 EOF
 
-test_expect_success 'word diff with runs of whitespace' '
+word_diff () {
+       test_must_fail git diff --no-index "$@" pre post >output &&
+       test_decode_color <output >output.decrypted &&
+       test_cmp expect output.decrypted
+}
 
-       word_diff --color-words
+test_language_driver () {
+       lang=$1
+       test_expect_success "diff driver '$lang'" '
+               cp "$TEST_DIRECTORY/t4034/'"$lang"'/pre" \
+                       "$TEST_DIRECTORY/t4034/'"$lang"'/post" \
+                       "$TEST_DIRECTORY/t4034/'"$lang"'/expect" . &&
+               echo "* diff='"$lang"'" >.gitattributes &&
+               word_diff --color-words
+       '
+}
 
+test_expect_success setup '
+       git config diff.color.old red &&
+       git config diff.color.new green &&
+       git config diff.color.func magenta
 '
 
-test_expect_success '--word-diff=color' '
-
-       word_diff --word-diff=color
-
+test_expect_success 'set up pre and post with runs of whitespace' '
+       cp pre.simple pre &&
+       cp post.simple post
 '
 
-test_expect_success '--color --word-diff=color' '
-
+test_expect_success 'word diff with runs of whitespace' '
+       cat >expect <<-\EOF &&
+               <BOLD>diff --git a/pre b/post<RESET>
+               <BOLD>index 330b04f..5ed8eff 100644<RESET>
+               <BOLD>--- a/pre<RESET>
+               <BOLD>+++ b/post<RESET>
+               <CYAN>@@ -1,3 +1,7 @@<RESET>
+               <RED>h(4)<RESET><GREEN>h(4),hh[44]<RESET>
+
+               a = b + c<RESET>
+
+               <GREEN>aa = a<RESET>
+
+               <GREEN>aeff = aeff * ( aaa )<RESET>
+       EOF
+       word_diff --color-words &&
+       word_diff --word-diff=color &&
        word_diff --color --word-diff=color
-
 '
 
-sed 's/#.*$//' > expect <<EOF
-diff --git a/pre b/post
-index 330b04f..5ed8eff 100644
---- a/pre
-+++ b/post
-@@ -1,3 +1,7 @@
--h(4)
-+h(4),hh[44]
-~
- # significant space
-~
- a = b + c
-~
-~
-+aa = a
-~
-~
-+aeff = aeff * ( aaa )
-~
-EOF
-
 test_expect_success '--word-diff=porcelain' '
-
+       sed 's/#.*$//' >expect <<-\EOF &&
+               diff --git a/pre b/post
+               index 330b04f..5ed8eff 100644
+               --- a/pre
+               +++ b/post
+               @@ -1,3 +1,7 @@
+               -h(4)
+               +h(4),hh[44]
+               ~
+                # significant space
+               ~
+                a = b + c
+               ~
+               ~
+               +aa = a
+               ~
+               ~
+               +aeff = aeff * ( aaa )
+               ~
+       EOF
        word_diff --word-diff=porcelain
-
 '
 
-cat > expect <<EOF
-diff --git a/pre b/post
-index 330b04f..5ed8eff 100644
---- a/pre
-+++ b/post
-@@ -1,3 +1,7 @@
-[-h(4)-]{+h(4),hh[44]+}
-
-a = b + c
-
-{+aa = a+}
-
-{+aeff = aeff * ( aaa )+}
-EOF
-
 test_expect_success '--word-diff=plain' '
+       cat >expect <<-\EOF &&
+               diff --git a/pre b/post
+               index 330b04f..5ed8eff 100644
+               --- a/pre
+               +++ b/post
+               @@ -1,3 +1,7 @@
+               [-h(4)-]{+h(4),hh[44]+}
 
-       word_diff --word-diff=plain
+               a = b + c
 
-'
-
-test_expect_success '--word-diff=plain --no-color' '
+               {+aa = a+}
 
+               {+aeff = aeff * ( aaa )+}
+       EOF
+       word_diff --word-diff=plain &&
        word_diff --word-diff=plain --no-color
-
 '
 
-cat > expect <<EOF
-<BOLD>diff --git a/pre b/post<RESET>
-<BOLD>index 330b04f..5ed8eff 100644<RESET>
-<BOLD>--- a/pre<RESET>
-<BOLD>+++ b/post<RESET>
-<CYAN>@@ -1,3 +1,7 @@<RESET>
-<RED>[-h(4)-]<RESET><GREEN>{+h(4),hh[44]+}<RESET>
-
-a = b + c<RESET>
+test_expect_success '--word-diff=plain --color' '
+       cat >expect <<-\EOF &&
+               <BOLD>diff --git a/pre b/post<RESET>
+               <BOLD>index 330b04f..5ed8eff 100644<RESET>
+               <BOLD>--- a/pre<RESET>
+               <BOLD>+++ b/post<RESET>
+               <CYAN>@@ -1,3 +1,7 @@<RESET>
+               <RED>[-h(4)-]<RESET><GREEN>{+h(4),hh[44]+}<RESET>
 
-<GREEN>{+aa = a+}<RESET>
+               a = b + c<RESET>
 
-<GREEN>{+aeff = aeff * ( aaa )+}<RESET>
-EOF
-
-test_expect_success '--word-diff=plain --color' '
+               <GREEN>{+aa = a+}<RESET>
 
+               <GREEN>{+aeff = aeff * ( aaa )+}<RESET>
+       EOF
        word_diff --word-diff=plain --color
-
 '
 
-cat > expect <<\EOF
-<BOLD>diff --git a/pre b/post<RESET>
-<BOLD>index 330b04f..5ed8eff 100644<RESET>
-<BOLD>--- a/pre<RESET>
-<BOLD>+++ b/post<RESET>
-<CYAN>@@ -1 +1 @@<RESET>
-<RED>h(4)<RESET><GREEN>h(4),hh[44]<RESET>
-<CYAN>@@ -3,0 +4,4 @@<RESET> <RESET><MAGENTA>a = b + c<RESET>
-
-<GREEN>aa = a<RESET>
-
-<GREEN>aeff = aeff * ( aaa )<RESET>
-EOF
-
 test_expect_success 'word diff without context' '
-
+       cat >expect <<-\EOF &&
+               <BOLD>diff --git a/pre b/post<RESET>
+               <BOLD>index 330b04f..5ed8eff 100644<RESET>
+               <BOLD>--- a/pre<RESET>
+               <BOLD>+++ b/post<RESET>
+               <CYAN>@@ -1 +1 @@<RESET>
+               <RED>h(4)<RESET><GREEN>h(4),hh[44]<RESET>
+               <CYAN>@@ -3,0 +4,4 @@<RESET> <RESET><MAGENTA>a = b + c<RESET>
+
+               <GREEN>aa = a<RESET>
+
+               <GREEN>aeff = aeff * ( aaa )<RESET>
+       EOF
        word_diff --color-words --unified=0
-
 '
 
-cat > expect <<\EOF
-<BOLD>diff --git a/pre b/post<RESET>
-<BOLD>index 330b04f..5ed8eff 100644<RESET>
-<BOLD>--- a/pre<RESET>
-<BOLD>+++ b/post<RESET>
-<CYAN>@@ -1,3 +1,7 @@<RESET>
-h(4),<GREEN>hh<RESET>[44]
-
-a = b + c<RESET>
-
-<GREEN>aa = a<RESET>
-
-<GREEN>aeff = aeff * ( aaa<RESET> )
-EOF
-cp expect expect.letter-runs-are-words
-
 test_expect_success 'word diff with a regular expression' '
-
+       cp expect.letter-runs-are-words expect &&
        word_diff --color-words="[a-z]+"
-
 '
 
-test_expect_success 'set a diff driver' '
+test_expect_success 'set up a diff driver' '
        git config diff.testdriver.wordRegex "[^[:space:]]" &&
-       cat <<EOF > .gitattributes
-pre diff=testdriver
-post diff=testdriver
-EOF
+       cat <<-\EOF >.gitattributes
+               pre diff=testdriver
+               post diff=testdriver
+       EOF
 '
 
 test_expect_success 'option overrides .gitattributes' '
-
+       cp expect.letter-runs-are-words expect &&
        word_diff --color-words="[a-z]+"
-
 '
 
-cat > expect <<\EOF
-<BOLD>diff --git a/pre b/post<RESET>
-<BOLD>index 330b04f..5ed8eff 100644<RESET>
-<BOLD>--- a/pre<RESET>
-<BOLD>+++ b/post<RESET>
-<CYAN>@@ -1,3 +1,7 @@<RESET>
-h(4)<GREEN>,hh[44]<RESET>
-
-a = b + c<RESET>
-
-<GREEN>aa = a<RESET>
-
-<GREEN>aeff = aeff * ( aaa )<RESET>
-EOF
-cp expect expect.non-whitespace-is-word
-
 test_expect_success 'use regex supplied by driver' '
-
+       cp expect.non-whitespace-is-word expect &&
        word_diff --color-words
-
 '
 
-test_expect_success 'set diff.wordRegex option' '
+test_expect_success 'set up diff.wordRegex option' '
        git config diff.wordRegex "[[:alnum:]]+"
 '
 
-cp expect.letter-runs-are-words expect
-
 test_expect_success 'command-line overrides config' '
+       cp expect.letter-runs-are-words expect &&
        word_diff --color-words="[a-z]+"
 '
 
-cat > expect <<\EOF
-<BOLD>diff --git a/pre b/post<RESET>
-<BOLD>index 330b04f..5ed8eff 100644<RESET>
-<BOLD>--- a/pre<RESET>
-<BOLD>+++ b/post<RESET>
-<CYAN>@@ -1,3 +1,7 @@<RESET>
-h(4),<GREEN>{+hh+}<RESET>[44]
-
-a = b + c<RESET>
+test_expect_success 'command-line overrides config: --word-diff-regex' '
+       cat >expect <<-\EOF &&
+               <BOLD>diff --git a/pre b/post<RESET>
+               <BOLD>index 330b04f..5ed8eff 100644<RESET>
+               <BOLD>--- a/pre<RESET>
+               <BOLD>+++ b/post<RESET>
+               <CYAN>@@ -1,3 +1,7 @@<RESET>
+               h(4),<GREEN>{+hh+}<RESET>[44]
 
-<GREEN>{+aa = a+}<RESET>
+               a = b + c<RESET>
 
-<GREEN>{+aeff = aeff * ( aaa+}<RESET> )
-EOF
+               <GREEN>{+aa = a+}<RESET>
 
-test_expect_success 'command-line overrides config: --word-diff-regex' '
+               <GREEN>{+aeff = aeff * ( aaa+}<RESET> )
+       EOF
        word_diff --color --word-diff-regex="[a-z]+"
 '
 
-cp expect.non-whitespace-is-word expect
-
 test_expect_success '.gitattributes override config' '
+       cp expect.non-whitespace-is-word expect &&
        word_diff --color-words
 '
 
-test_expect_success 'remove diff driver regex' '
-       git config --unset diff.testdriver.wordRegex
+test_expect_success 'setup: remove diff driver regex' '
+       test_might_fail git config --unset diff.testdriver.wordRegex
 '
 
-cat > expect <<\EOF
-<BOLD>diff --git a/pre b/post<RESET>
-<BOLD>index 330b04f..5ed8eff 100644<RESET>
-<BOLD>--- a/pre<RESET>
-<BOLD>+++ b/post<RESET>
-<CYAN>@@ -1,3 +1,7 @@<RESET>
-h(4),<GREEN>hh[44<RESET>]
-
-a = b + c<RESET>
+test_expect_success 'use configured regex' '
+       cat >expect <<-\EOF &&
+               <BOLD>diff --git a/pre b/post<RESET>
+               <BOLD>index 330b04f..5ed8eff 100644<RESET>
+               <BOLD>--- a/pre<RESET>
+               <BOLD>+++ b/post<RESET>
+               <CYAN>@@ -1,3 +1,7 @@<RESET>
+               h(4),<GREEN>hh[44<RESET>]
 
-<GREEN>aa = a<RESET>
+               a = b + c<RESET>
 
-<GREEN>aeff = aeff * ( aaa<RESET> )
-EOF
+               <GREEN>aa = a<RESET>
 
-test_expect_success 'use configured regex' '
+               <GREEN>aeff = aeff * ( aaa<RESET> )
+       EOF
        word_diff --color-words
 '
 
-echo 'aaa (aaa)' > pre
-echo 'aaa (aaa) aaa' > post
-
-cat > expect <<\EOF
-<BOLD>diff --git a/pre b/post<RESET>
-<BOLD>index c29453b..be22f37 100644<RESET>
-<BOLD>--- a/pre<RESET>
-<BOLD>+++ b/post<RESET>
-<CYAN>@@ -1 +1 @@<RESET>
-aaa (aaa) <GREEN>aaa<RESET>
-EOF
-
 test_expect_success 'test parsing words for newline' '
-
+       echo "aaa (aaa)" >pre &&
+       echo "aaa (aaa) aaa" >post &&
+       cat >expect <<-\EOF &&
+               <BOLD>diff --git a/pre b/post<RESET>
+               <BOLD>index c29453b..be22f37 100644<RESET>
+               <BOLD>--- a/pre<RESET>
+               <BOLD>+++ b/post<RESET>
+               <CYAN>@@ -1 +1 @@<RESET>
+               aaa (aaa) <GREEN>aaa<RESET>
+       EOF
        word_diff --color-words="a+"
-
-
 '
 
-echo '(:' > pre
-echo '(' > post
-
-cat > expect <<\EOF
-<BOLD>diff --git a/pre b/post<RESET>
-<BOLD>index 289cb9d..2d06f37 100644<RESET>
-<BOLD>--- a/pre<RESET>
-<BOLD>+++ b/post<RESET>
-<CYAN>@@ -1 +1 @@<RESET>
-(<RED>:<RESET>
-EOF
-
 test_expect_success 'test when words are only removed at the end' '
-
+       echo "(:" >pre &&
+       echo "(" >post &&
+       cat >expect <<-\EOF &&
+               <BOLD>diff --git a/pre b/post<RESET>
+               <BOLD>index 289cb9d..2d06f37 100644<RESET>
+               <BOLD>--- a/pre<RESET>
+               <BOLD>+++ b/post<RESET>
+               <CYAN>@@ -1 +1 @@<RESET>
+               (<RED>:<RESET>
+       EOF
        word_diff --color-words=.
-
 '
 
-cat > expect <<\EOF
-diff --git a/pre b/post
-index 289cb9d..2d06f37 100644
---- a/pre
-+++ b/post
-@@ -1 +1 @@
--(:
-+(
-EOF
-
 test_expect_success '--word-diff=none' '
-
+       echo "(:" >pre &&
+       echo "(" >post &&
+       cat >expect <<-\EOF &&
+               diff --git a/pre b/post
+               index 289cb9d..2d06f37 100644
+               --- a/pre
+               +++ b/post
+               @@ -1 +1 @@
+               -(:
+               +(
+       EOF
        word_diff --word-diff=plain --word-diff=none
+'
 
+test_language_driver bibtex
+test_language_driver cpp
+test_language_driver csharp
+test_language_driver fortran
+test_language_driver html
+test_language_driver java
+test_language_driver objc
+test_language_driver pascal
+test_language_driver perl
+test_language_driver php
+test_language_driver python
+test_language_driver ruby
+test_language_driver tex
+
+test_expect_success 'word-diff with diff.sbe' '
+       cat >expect <<-\EOF &&
+       diff --git a/pre b/post
+       index a1a53b5..bc8fe6d 100644
+       --- a/pre
+       +++ b/post
+       @@ -1,3 +1,3 @@
+       a
+
+       [-b-]{+c+}
+       EOF
+       cat >pre <<-\EOF &&
+       a
+
+       b
+       EOF
+       cat >post <<-\EOF &&
+       a
+
+       c
+       EOF
+       test_when_finished "git config --unset diff.suppress-blank-empty" &&
+       git config diff.suppress-blank-empty true &&
+       word_diff --word-diff=plain
 '
 
 test_done