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Diffstat (limited to 't/t4034-diff-words.sh')
| -rwxr-xr-x | t/t4034-diff-words.sh | 412 |
1 files changed, 412 insertions, 0 deletions
diff --git a/t/t4034-diff-words.sh b/t/t4034-diff-words.sh new file mode 100755 index 0000000..15764ee --- /dev/null +++ b/t/t4034-diff-words.sh @@ -0,0 +1,412 @@ +#!/bin/sh + +test_description='word diff colors' + +TEST_PASSES_SANITIZE_LEAK=true +. ./test-lib.sh +. "$TEST_DIRECTORY"/lib-diff.sh + +cat >pre.simple <<-\EOF + h(4) + + a = b + c +EOF +cat >post.simple <<-\EOF + h(4),hh[44] + + a = b + c + + aa = a + + aeff = aeff * ( aaa ) +EOF +pre=$(git rev-parse --short $(git hash-object pre.simple)) +post=$(git rev-parse --short $(git hash-object post.simple)) +cat >expect.letter-runs-are-words <<-EOF + <BOLD>diff --git a/pre b/post<RESET> + <BOLD>index $pre..$post 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 +cat >expect.non-whitespace-is-word <<-EOF + <BOLD>diff --git a/pre b/post<RESET> + <BOLD>index $pre..$post 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 + +word_diff () { + pre=$(git rev-parse --short $(git hash-object pre)) && + post=$(git rev-parse --short $(git hash-object post)) && + test_must_fail git diff --no-index "$@" pre post >output && + test_decode_color <output >output.decrypted && + sed -e "2s/index [^ ]*/index $pre..$post/" expect >expected + test_cmp expected output.decrypted +} + +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 'set up pre and post with runs of whitespace' ' + cp pre.simple pre && + cp post.simple post +' + +test_expect_success 'word diff with runs of whitespace' ' + cat >expect <<-EOF && + <BOLD>diff --git a/pre b/post<RESET> + <BOLD>index $pre..$post 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 +' + +test_expect_success '--word-diff=porcelain' ' + sed "s/#.*$//" >expect <<-EOF && + diff --git a/pre b/post + index $pre..$post 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 +' + +test_expect_success '--word-diff=plain' ' + cat >expect <<-EOF && + diff --git a/pre b/post + index $pre..$post 100644 + --- a/pre + +++ b/post + @@ -1,3 +1,7 @@ + [-h(4)-]{+h(4),hh[44]+} + + a = b + c + + {+aa = a+} + + {+aeff = aeff * ( aaa )+} + EOF + word_diff --word-diff=plain && + word_diff --word-diff=plain --no-color +' + +test_expect_success '--word-diff=plain --color' ' + cat >expect <<-EOF && + <BOLD>diff --git a/pre b/post<RESET> + <BOLD>index $pre..$post 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 --word-diff=plain --color +' + +test_expect_success 'word diff without context' ' + cat >expect <<-EOF && + <BOLD>diff --git a/pre b/post<RESET> + <BOLD>index $pre..$post 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 +' + +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 'word diff with zero length matches' ' + cp expect.letter-runs-are-words expect && + word_diff --color-words="[a-z${LF}]*" +' + +test_expect_success 'set up a diff driver' ' + git config diff.testdriver.wordRegex "[^[:space:]]" && + 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]+" +' + +test_expect_success 'use regex supplied by driver' ' + cp expect.non-whitespace-is-word expect && + word_diff --color-words +' + +test_expect_success 'set up diff.wordRegex option' ' + git config diff.wordRegex "[[:alnum:]]+" +' + +test_expect_success 'command-line overrides config' ' + cp expect.letter-runs-are-words expect && + word_diff --color-words="[a-z]+" +' + +test_expect_success 'command-line overrides config: --word-diff-regex' ' + cat >expect <<-EOF && + <BOLD>diff --git a/pre b/post<RESET> + <BOLD>index $pre..$post 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 + word_diff --color --word-diff-regex="[a-z]+" +' + +test_expect_success '.gitattributes override config' ' + cp expect.non-whitespace-is-word expect && + word_diff --color-words +' + +test_expect_success 'setup: remove diff driver regex' ' + test_unconfig diff.testdriver.wordRegex +' + +test_expect_success 'use configured regex' ' + cat >expect <<-EOF && + <BOLD>diff --git a/pre b/post<RESET> + <BOLD>index $pre..$post 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 + word_diff --color-words +' + +test_expect_success 'test parsing words for newline' ' + echo "aaa (aaa)" >pre && + echo "aaa (aaa) aaa" >post && + pre=$(git rev-parse --short $(git hash-object pre)) && + post=$(git rev-parse --short $(git hash-object post)) && + cat >expect <<-EOF && + <BOLD>diff --git a/pre b/post<RESET> + <BOLD>index $pre..$post 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+" +' + +test_expect_success 'test when words are only removed at the end' ' + echo "(:" >pre && + echo "(" >post && + pre=$(git rev-parse --short $(git hash-object pre)) && + post=$(git rev-parse --short $(git hash-object post)) && + cat >expect <<-EOF && + <BOLD>diff --git a/pre b/post<RESET> + <BOLD>index $pre..$post 100644<RESET> + <BOLD>--- a/pre<RESET> + <BOLD>+++ b/post<RESET> + <CYAN>@@ -1 +1 @@<RESET> + (<RED>:<RESET> + EOF + word_diff --color-words=. +' + +test_expect_success '--word-diff=none' ' + echo "(:" >pre && + echo "(" >post && + pre=$(git rev-parse --short $(git hash-object pre)) && + post=$(git rev-parse --short $(git hash-object post)) && + cat >expect <<-EOF && + diff --git a/pre b/post + index $pre..$post 100644 + --- a/pre + +++ b/post + @@ -1 +1 @@ + -(: + +( + EOF + word_diff --word-diff=plain --word-diff=none +' + +test_expect_success 'unset default driver' ' + test_unconfig diff.wordregex +' + +test_language_driver ada +test_language_driver bibtex +test_language_driver cpp +test_language_driver csharp +test_language_driver css +test_language_driver dts +test_language_driver fortran +test_language_driver html +test_language_driver java +test_language_driver kotlin +test_language_driver matlab +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 scheme +test_language_driver tex + +test_expect_success 'word-diff with diff.sbe' ' + cat >pre <<-\EOF && + a + + b + EOF + cat >post <<-\EOF && + a + + c + EOF + pre=$(git rev-parse --short $(git hash-object pre)) && + post=$(git rev-parse --short $(git hash-object post)) && + cat >expect <<-EOF && + diff --git a/pre b/post + index $pre..$post 100644 + --- a/pre + +++ b/post + @@ -1,3 +1,3 @@ + a + + [-b-]{+c+} + EOF + test_config diff.suppress-blank-empty true && + word_diff --word-diff=plain +' + +test_expect_success 'word-diff with no newline at EOF' ' + printf "%s" "a a a a a" >pre && + printf "%s" "a a ab a a" >post && + pre=$(git rev-parse --short $(git hash-object pre)) && + post=$(git rev-parse --short $(git hash-object post)) && + cat >expect <<-EOF && + diff --git a/pre b/post + index $pre..$post 100644 + --- a/pre + +++ b/post + @@ -1 +1 @@ + a a [-a-]{+ab+} a a + EOF + 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 && + test_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 |