79e539404c
* 'mt/patch-id-stable' (early part): patch-id-test: test stable and unstable behaviour patch-id: make it stable against hunk reordering test doc: test_write_lines does not split its arguments test: add test_write_lines helper
183 lines
4.2 KiB
Bash
Executable File
183 lines
4.2 KiB
Bash
Executable File
#!/bin/sh
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test_description='git patch-id'
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. ./test-lib.sh
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test_expect_success 'setup' '
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as="a a a a a a a a" && # eight a
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test_write_lines $as >foo &&
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test_write_lines $as >bar &&
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git add foo bar &&
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git commit -a -m initial &&
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test_write_lines $as b >foo &&
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test_write_lines $as b >bar &&
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git commit -a -m first &&
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git checkout -b same master &&
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git commit --amend -m same-msg &&
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git checkout -b notsame master &&
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echo c >foo &&
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echo c >bar &&
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git commit --amend -a -m notsame-msg &&
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test_write_lines bar foo >bar-then-foo &&
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test_write_lines foo bar >foo-then-bar
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'
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test_expect_success 'patch-id output is well-formed' '
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git log -p -1 | git patch-id >output &&
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grep "^[a-f0-9]\{40\} $(git rev-parse HEAD)$" output
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'
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#calculate patch id. Make sure output is not empty.
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calc_patch_id () {
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name="$1"
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shift
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git patch-id "$@" |
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sed "s/ .*//" >patch-id_"$name" &&
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test_line_count -gt 0 patch-id_"$name"
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}
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get_top_diff () {
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git log -p -1 "$@" -O bar-then-foo --
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}
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get_patch_id () {
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get_top_diff "$1" | calc_patch_id "$@"
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}
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test_expect_success 'patch-id detects equality' '
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get_patch_id master &&
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get_patch_id same &&
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test_cmp patch-id_master patch-id_same
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'
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test_expect_success 'patch-id detects inequality' '
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get_patch_id master &&
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get_patch_id notsame &&
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! test_cmp patch-id_master patch-id_notsame
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'
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test_expect_success 'patch-id supports git-format-patch output' '
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get_patch_id master &&
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git checkout same &&
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git format-patch -1 --stdout | calc_patch_id same &&
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test_cmp patch-id_master patch-id_same &&
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set $(git format-patch -1 --stdout | git patch-id) &&
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test "$2" = $(git rev-parse HEAD)
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'
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test_expect_success 'whitespace is irrelevant in footer' '
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get_patch_id master &&
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git checkout same &&
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git format-patch -1 --stdout | sed "s/ \$//" | calc_patch_id same &&
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test_cmp patch-id_master patch-id_same
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'
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cmp_patch_id () {
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if
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test "$1" = "relevant"
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then
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! test_cmp patch-id_"$2" patch-id_"$3"
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else
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test_cmp patch-id_"$2" patch-id_"$3"
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fi
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}
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test_patch_id_file_order () {
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relevant="$1"
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shift
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name="order-${1}-$relevant"
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shift
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get_top_diff "master" | calc_patch_id "$name" "$@" &&
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git checkout same &&
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git format-patch -1 --stdout -O foo-then-bar |
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calc_patch_id "ordered-$name" "$@" &&
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cmp_patch_id $relevant "$name" "ordered-$name"
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}
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# combined test for options: add more tests here to make them
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# run with all options
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test_patch_id () {
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test_patch_id_file_order "$@"
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}
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# small tests with detailed diagnostic for basic options.
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test_expect_success 'file order is irrelevant with --stable' '
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test_patch_id_file_order irrelevant --stable --stable
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'
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test_expect_success 'file order is relevant with --unstable' '
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test_patch_id_file_order relevant --unstable --unstable
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'
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#Now test various option combinations.
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test_expect_success 'default is unstable' '
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test_patch_id relevant default
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'
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test_expect_success 'patchid.stable = true is stable' '
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test_config patchid.stable true &&
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test_patch_id irrelevant patchid.stable=true
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'
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test_expect_success 'patchid.stable = false is unstable' '
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test_config patchid.stable false &&
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test_patch_id relevant patchid.stable=false
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'
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test_expect_success '--unstable overrides patchid.stable = true' '
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test_config patchid.stable true &&
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test_patch_id relevant patchid.stable=true--unstable --unstable
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'
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test_expect_success '--stable overrides patchid.stable = false' '
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test_config patchid.stable false &&
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test_patch_id irrelevant patchid.stable=false--stable --stable
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'
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test_expect_success 'patch-id supports git-format-patch MIME output' '
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get_patch_id master &&
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git checkout same &&
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git format-patch -1 --attach --stdout | calc_patch_id same &&
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test_cmp patch-id_master patch-id_same
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'
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cat >nonl <<\EOF
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diff --git i/a w/a
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index e69de29..2e65efe 100644
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--- i/a
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+++ w/a
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@@ -0,0 +1 @@
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+a
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\ No newline at end of file
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diff --git i/b w/b
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index e69de29..6178079 100644
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--- i/b
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+++ w/b
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@@ -0,0 +1 @@
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+b
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EOF
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cat >withnl <<\EOF
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diff --git i/a w/a
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index e69de29..7898192 100644
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--- i/a
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+++ w/a
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@@ -0,0 +1 @@
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+a
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diff --git i/b w/b
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index e69de29..6178079 100644
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--- i/b
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+++ w/b
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@@ -0,0 +1 @@
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+b
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EOF
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test_expect_success 'patch-id handles no-nl-at-eof markers' '
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cat nonl | calc_patch_id nonl &&
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cat withnl | calc_patch_id withnl &&
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test_cmp patch-id_nonl patch-id_withnl
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'
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test_done
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