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5094d15874
Rearrange code to be easier to browse: - first data - then functions - then test assertions Mark up inline test vectors as cat >vector <<-\EOF data data EOF for visual scannability. Use words like "set up" for tests that set up for other tests, to make it obvious which tests are safe to skip. Use repeated function calls instead of a loop for the language-specific tests, so the invocations can be easily tweaked individually (for example if one starts to fail). This means if you add a new subdirectory to t4034/, it will not be automatically used. I think that's worth it for the added explicitness. Signed-off-by: Jonathan Nieder <jrnieder@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
310 lines
6.6 KiB
Bash
Executable File
310 lines
6.6 KiB
Bash
Executable File
#!/bin/sh
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test_description='word diff colors'
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. ./test-lib.sh
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cat >pre.simple <<-\EOF
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h(4)
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a = b + c
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EOF
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cat >post.simple <<-\EOF
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h(4),hh[44]
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a = b + c
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aa = a
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aeff = aeff * ( aaa )
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EOF
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cat >expect.letter-runs-are-words <<-\EOF
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<BOLD>diff --git a/pre b/post<RESET>
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<BOLD>index 330b04f..5ed8eff 100644<RESET>
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<BOLD>--- a/pre<RESET>
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<BOLD>+++ b/post<RESET>
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<CYAN>@@ -1,3 +1,7 @@<RESET>
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h(4),<GREEN>hh<RESET>[44]
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a = b + c<RESET>
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<GREEN>aa = a<RESET>
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<GREEN>aeff = aeff * ( aaa<RESET> )
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EOF
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cat >expect.non-whitespace-is-word <<-\EOF
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<BOLD>diff --git a/pre b/post<RESET>
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<BOLD>index 330b04f..5ed8eff 100644<RESET>
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<BOLD>--- a/pre<RESET>
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<BOLD>+++ b/post<RESET>
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<CYAN>@@ -1,3 +1,7 @@<RESET>
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h(4)<GREEN>,hh[44]<RESET>
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a = b + c<RESET>
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<GREEN>aa = a<RESET>
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<GREEN>aeff = aeff * ( aaa )<RESET>
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EOF
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word_diff () {
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test_must_fail git diff --no-index "$@" pre post >output &&
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test_decode_color <output >output.decrypted &&
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test_cmp expect output.decrypted
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}
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test_language_driver () {
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lang=$1
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test_expect_success "diff driver '$lang'" '
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cp "$TEST_DIRECTORY/t4034/'"$lang"'/pre" \
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"$TEST_DIRECTORY/t4034/'"$lang"'/post" \
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"$TEST_DIRECTORY/t4034/'"$lang"'/expect" . &&
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echo "* diff='"$lang"'" >.gitattributes &&
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word_diff --color-words
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'
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}
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test_expect_success setup '
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git config diff.color.old red &&
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git config diff.color.new green &&
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git config diff.color.func magenta
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'
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test_expect_success 'set up pre and post with runs of whitespace' '
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cp pre.simple pre &&
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cp post.simple post
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'
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test_expect_success 'word diff with runs of whitespace' '
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cat >expect <<-\EOF &&
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<BOLD>diff --git a/pre b/post<RESET>
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<BOLD>index 330b04f..5ed8eff 100644<RESET>
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<BOLD>--- a/pre<RESET>
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<BOLD>+++ b/post<RESET>
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<CYAN>@@ -1,3 +1,7 @@<RESET>
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<RED>h(4)<RESET><GREEN>h(4),hh[44]<RESET>
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a = b + c<RESET>
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<GREEN>aa = a<RESET>
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<GREEN>aeff = aeff * ( aaa )<RESET>
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EOF
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word_diff --color-words &&
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word_diff --word-diff=color &&
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word_diff --color --word-diff=color
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'
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test_expect_success '--word-diff=porcelain' '
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sed 's/#.*$//' >expect <<-\EOF &&
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diff --git a/pre b/post
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index 330b04f..5ed8eff 100644
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--- a/pre
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+++ b/post
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@@ -1,3 +1,7 @@
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-h(4)
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+h(4),hh[44]
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~
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# significant space
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~
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a = b + c
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~
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~
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+aa = a
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~
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~
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+aeff = aeff * ( aaa )
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~
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EOF
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word_diff --word-diff=porcelain
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'
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test_expect_success '--word-diff=plain' '
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cat >expect <<-\EOF &&
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diff --git a/pre b/post
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index 330b04f..5ed8eff 100644
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--- a/pre
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+++ b/post
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@@ -1,3 +1,7 @@
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[-h(4)-]{+h(4),hh[44]+}
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a = b + c
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{+aa = a+}
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{+aeff = aeff * ( aaa )+}
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EOF
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word_diff --word-diff=plain &&
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word_diff --word-diff=plain --no-color
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'
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test_expect_success '--word-diff=plain --color' '
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cat >expect <<-\EOF &&
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<BOLD>diff --git a/pre b/post<RESET>
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<BOLD>index 330b04f..5ed8eff 100644<RESET>
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<BOLD>--- a/pre<RESET>
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<BOLD>+++ b/post<RESET>
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<CYAN>@@ -1,3 +1,7 @@<RESET>
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<RED>[-h(4)-]<RESET><GREEN>{+h(4),hh[44]+}<RESET>
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a = b + c<RESET>
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<GREEN>{+aa = a+}<RESET>
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<GREEN>{+aeff = aeff * ( aaa )+}<RESET>
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EOF
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word_diff --word-diff=plain --color
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'
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test_expect_success 'word diff without context' '
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cat >expect <<-\EOF &&
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<BOLD>diff --git a/pre b/post<RESET>
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<BOLD>index 330b04f..5ed8eff 100644<RESET>
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<BOLD>--- a/pre<RESET>
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<BOLD>+++ b/post<RESET>
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<CYAN>@@ -1 +1 @@<RESET>
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<RED>h(4)<RESET><GREEN>h(4),hh[44]<RESET>
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<CYAN>@@ -3,0 +4,4 @@<RESET> <RESET><MAGENTA>a = b + c<RESET>
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<GREEN>aa = a<RESET>
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<GREEN>aeff = aeff * ( aaa )<RESET>
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EOF
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word_diff --color-words --unified=0
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'
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test_expect_success 'word diff with a regular expression' '
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cp expect.letter-runs-are-words expect &&
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word_diff --color-words="[a-z]+"
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'
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test_expect_success 'set up a diff driver' '
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git config diff.testdriver.wordRegex "[^[:space:]]" &&
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cat <<-\EOF >.gitattributes
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pre diff=testdriver
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post diff=testdriver
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EOF
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'
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test_expect_success 'option overrides .gitattributes' '
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cp expect.letter-runs-are-words expect &&
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word_diff --color-words="[a-z]+"
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'
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test_expect_success 'use regex supplied by driver' '
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cp expect.non-whitespace-is-word expect &&
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word_diff --color-words
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'
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test_expect_success 'set up diff.wordRegex option' '
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git config diff.wordRegex "[[:alnum:]]+"
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'
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test_expect_success 'command-line overrides config' '
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cp expect.letter-runs-are-words expect &&
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word_diff --color-words="[a-z]+"
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'
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test_expect_success 'command-line overrides config: --word-diff-regex' '
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cat >expect <<-\EOF &&
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<BOLD>diff --git a/pre b/post<RESET>
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<BOLD>index 330b04f..5ed8eff 100644<RESET>
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<BOLD>--- a/pre<RESET>
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<BOLD>+++ b/post<RESET>
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<CYAN>@@ -1,3 +1,7 @@<RESET>
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h(4),<GREEN>{+hh+}<RESET>[44]
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a = b + c<RESET>
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<GREEN>{+aa = a+}<RESET>
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<GREEN>{+aeff = aeff * ( aaa+}<RESET> )
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EOF
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word_diff --color --word-diff-regex="[a-z]+"
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'
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test_expect_success '.gitattributes override config' '
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cp expect.non-whitespace-is-word expect &&
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word_diff --color-words
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'
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test_expect_success 'setup: remove diff driver regex' '
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test_might_fail git config --unset diff.testdriver.wordRegex
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'
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test_expect_success 'use configured regex' '
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cat >expect <<-\EOF &&
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<BOLD>diff --git a/pre b/post<RESET>
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<BOLD>index 330b04f..5ed8eff 100644<RESET>
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<BOLD>--- a/pre<RESET>
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<BOLD>+++ b/post<RESET>
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<CYAN>@@ -1,3 +1,7 @@<RESET>
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h(4),<GREEN>hh[44<RESET>]
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a = b + c<RESET>
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<GREEN>aa = a<RESET>
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<GREEN>aeff = aeff * ( aaa<RESET> )
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EOF
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word_diff --color-words
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'
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test_expect_success 'test parsing words for newline' '
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echo "aaa (aaa)" >pre &&
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echo "aaa (aaa) aaa" >post &&
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cat >expect <<-\EOF &&
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<BOLD>diff --git a/pre b/post<RESET>
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<BOLD>index c29453b..be22f37 100644<RESET>
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<BOLD>--- a/pre<RESET>
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<BOLD>+++ b/post<RESET>
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<CYAN>@@ -1 +1 @@<RESET>
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aaa (aaa) <GREEN>aaa<RESET>
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EOF
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word_diff --color-words="a+"
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'
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test_expect_success 'test when words are only removed at the end' '
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echo "(:" >pre &&
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echo "(" >post &&
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cat >expect <<-\EOF &&
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<BOLD>diff --git a/pre b/post<RESET>
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<BOLD>index 289cb9d..2d06f37 100644<RESET>
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<BOLD>--- a/pre<RESET>
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<BOLD>+++ b/post<RESET>
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<CYAN>@@ -1 +1 @@<RESET>
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(<RED>:<RESET>
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EOF
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word_diff --color-words=.
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'
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test_expect_success '--word-diff=none' '
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echo "(:" >pre &&
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echo "(" >post &&
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cat >expect <<-\EOF &&
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diff --git a/pre b/post
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index 289cb9d..2d06f37 100644
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--- a/pre
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+++ b/post
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@@ -1 +1 @@
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-(:
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+(
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EOF
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word_diff --word-diff=plain --word-diff=none
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'
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test_language_driver bibtex
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test_language_driver cpp
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test_language_driver csharp
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test_language_driver fortran
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test_language_driver html
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test_language_driver java
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test_language_driver objc
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test_language_driver pascal
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test_language_driver php
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test_language_driver python
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test_language_driver ruby
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test_language_driver tex
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test_done
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