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Diffstat (limited to 't/t4204-patch-id.sh')
| -rwxr-xr-x | t/t4204-patch-id.sh | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/t/t4204-patch-id.sh b/t/t4204-patch-id.sh new file mode 100755 index 0000000000..baa9d3c82e --- /dev/null +++ b/t/t4204-patch-id.sh @@ -0,0 +1,182 @@ +#!/bin/sh + +test_description='git patch-id' + +. ./test-lib.sh + +test_expect_success 'setup' ' + as="a a a a a a a a" && # eight a + test_write_lines $as >foo && + test_write_lines $as >bar && + git add foo bar && + git commit -a -m initial && + test_write_lines $as b >foo && + test_write_lines $as b >bar && + git commit -a -m first && + git checkout -b same master && + git commit --amend -m same-msg && + git checkout -b notsame master && + echo c >foo && + echo c >bar && + git commit --amend -a -m notsame-msg && + test_write_lines bar foo >bar-then-foo && + test_write_lines foo bar >foo-then-bar +' + +test_expect_success 'patch-id output is well-formed' ' + git log -p -1 | git patch-id >output && + grep "^[a-f0-9]\{40\} $(git rev-parse HEAD)$" output +' + +#calculate patch id. Make sure output is not empty. +calc_patch_id () { + name="$1" + shift + git patch-id "$@" | + sed "s/ .*//" >patch-id_"$name" && + test_line_count -gt 0 patch-id_"$name" +} + +get_top_diff () { + git log -p -1 "$@" -O bar-then-foo -- +} + +get_patch_id () { + get_top_diff "$1" | calc_patch_id "$@" +} + +test_expect_success 'patch-id detects equality' ' + get_patch_id master && + get_patch_id same && + test_cmp patch-id_master patch-id_same +' + +test_expect_success 'patch-id detects inequality' ' + get_patch_id master && + get_patch_id notsame && + ! test_cmp patch-id_master patch-id_notsame +' + +test_expect_success 'patch-id supports git-format-patch output' ' + get_patch_id master && + git checkout same && + git format-patch -1 --stdout | calc_patch_id same && + test_cmp patch-id_master patch-id_same && + set $(git format-patch -1 --stdout | git patch-id) && + test "$2" = $(git rev-parse HEAD) +' + +test_expect_success 'whitespace is irrelevant in footer' ' + get_patch_id master && + git checkout same && + git format-patch -1 --stdout | sed "s/ \$//" | calc_patch_id same && + test_cmp patch-id_master patch-id_same +' + +cmp_patch_id () { + if + test "$1" = "relevant" + then + ! test_cmp patch-id_"$2" patch-id_"$3" + else + test_cmp patch-id_"$2" patch-id_"$3" + fi +} + +test_patch_id_file_order () { + relevant="$1" + shift + name="order-${1}-$relevant" + shift + get_top_diff "master" | calc_patch_id "$name" "$@" && + git checkout same && + git format-patch -1 --stdout -O foo-then-bar | + calc_patch_id "ordered-$name" "$@" && + cmp_patch_id $relevant "$name" "ordered-$name" + +} + +# combined test for options: add more tests here to make them +# run with all options +test_patch_id () { + test_patch_id_file_order "$@" +} + +# small tests with detailed diagnostic for basic options. +test_expect_success 'file order is irrelevant with --stable' ' + test_patch_id_file_order irrelevant --stable --stable +' + +test_expect_success 'file order is relevant with --unstable' ' + test_patch_id_file_order relevant --unstable --unstable +' + +#Now test various option combinations. +test_expect_success 'default is unstable' ' + test_patch_id relevant default +' + +test_expect_success 'patchid.stable = true is stable' ' + test_config patchid.stable true && + test_patch_id irrelevant patchid.stable=true +' + +test_expect_success 'patchid.stable = false is unstable' ' + test_config patchid.stable false && + test_patch_id relevant patchid.stable=false +' + +test_expect_success '--unstable overrides patchid.stable = true' ' + test_config patchid.stable true && + test_patch_id relevant patchid.stable=true--unstable --unstable +' + +test_expect_success '--stable overrides patchid.stable = false' ' + test_config patchid.stable false && + test_patch_id irrelevant patchid.stable=false--stable --stable +' + +test_expect_success 'patch-id supports git-format-patch MIME output' ' + get_patch_id master && + git checkout same && + git format-patch -1 --attach --stdout | calc_patch_id same && + test_cmp patch-id_master patch-id_same +' + +cat >nonl <<\EOF +diff --git i/a w/a +index e69de29..2e65efe 100644 +--- i/a ++++ w/a +@@ -0,0 +1 @@ ++a +\ No newline at end of file +diff --git i/b w/b +index e69de29..6178079 100644 +--- i/b ++++ w/b +@@ -0,0 +1 @@ ++b +EOF + +cat >withnl <<\EOF +diff --git i/a w/a +index e69de29..7898192 100644 +--- i/a ++++ w/a +@@ -0,0 +1 @@ ++a +diff --git i/b w/b +index e69de29..6178079 100644 +--- i/b ++++ w/b +@@ -0,0 +1 @@ ++b +EOF + +test_expect_success 'patch-id handles no-nl-at-eof markers' ' + cat nonl | calc_patch_id nonl && + cat withnl | calc_patch_id withnl && + test_cmp patch-id_nonl patch-id_withnl +' +test_done |