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Diffstat (limited to 't/t0000-basic.sh')
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1 files changed, 613 insertions, 0 deletions
diff --git a/t/t0000-basic.sh b/t/t0000-basic.sh new file mode 100755 index 0000000..cefe33d --- /dev/null +++ b/t/t0000-basic.sh @@ -0,0 +1,613 @@ +#!/bin/sh +# +# Copyright (c) 2005 Junio C Hamano +# + +test_description='Test the very basics part #1. + +The rest of the test suite does not check the basic operation of git +plumbing commands to work very carefully. Their job is to concentrate +on tricky features that caused bugs in the past to detect regression. + +This test runs very basic features, like registering things in cache, +writing tree, etc. + +Note that this test *deliberately* hard-codes many expected object +IDs. When object ID computation changes, like in the previous case of +swapping compression and hashing order, the person who is making the +modification *should* take notice and update the test vectors here. +' + +. ./test-lib.sh + +################################################################ +# git init has been done in an empty repository. +# make sure it is empty. + +test_expect_success '.git/objects should be empty after git init in an empty repo' ' + find .git/objects -type f -print >should-be-empty && + test_line_count = 0 should-be-empty +' + +# also it should have 2 subdirectories; no fan-out anymore, pack, and info. +# 3 is counting "objects" itself +test_expect_success '.git/objects should have 3 subdirectories' ' + find .git/objects -type d -print >full-of-directories && + test_line_count = 3 full-of-directories +' + +################################################################ +# Test harness +test_expect_success 'success is reported like this' ' + : +' +test_expect_failure 'pretend we have a known breakage' ' + false +' + +run_sub_test_lib_test () { + name="$1" descr="$2" # stdin is the body of the test code + mkdir "$name" && + ( + cd "$name" && + cat >"$name.sh" <<-EOF && + #!$SHELL_PATH + + test_description='$descr (run in sub test-lib) + + This is run in a sub test-lib so that we do not get incorrect + passing metrics + ' + + # Point to the t/test-lib.sh, which isn't in ../ as usual + . "\$TEST_DIRECTORY"/test-lib.sh + EOF + cat >>"$name.sh" && + chmod +x "$name.sh" && + export TEST_DIRECTORY && + ./"$name.sh" >out 2>err + ) +} + +check_sub_test_lib_test () { + name="$1" # stdin is the expected output from the test + ( + cd "$name" && + ! test -s err && + sed -e 's/^> //' -e 's/Z$//' >expect && + test_cmp expect out + ) +} + +test_expect_success 'pretend we have a fully passing test suite' " + run_sub_test_lib_test full-pass '3 passing tests' <<-\\EOF && + for i in 1 2 3 + do + test_expect_success \"passing test #\$i\" 'true' + done + test_done + EOF + check_sub_test_lib_test full-pass <<-\\EOF + > ok 1 - passing test #1 + > ok 2 - passing test #2 + > ok 3 - passing test #3 + > # passed all 3 test(s) + > 1..3 + EOF +" + +test_expect_success 'pretend we have a partially passing test suite' " + test_must_fail run_sub_test_lib_test \ + partial-pass '2/3 tests passing' <<-\\EOF && + test_expect_success 'passing test #1' 'true' + test_expect_success 'failing test #2' 'false' + test_expect_success 'passing test #3' 'true' + test_done + EOF + check_sub_test_lib_test partial-pass <<-\\EOF + > ok 1 - passing test #1 + > not ok 2 - failing test #2 + # false + > ok 3 - passing test #3 + > # failed 1 among 3 test(s) + > 1..3 + EOF +" + +test_expect_success 'pretend we have a known breakage' " + run_sub_test_lib_test failing-todo 'A failing TODO test' <<-\\EOF && + test_expect_success 'passing test' 'true' + test_expect_failure 'pretend we have a known breakage' 'false' + test_done + EOF + check_sub_test_lib_test failing-todo <<-\\EOF + > ok 1 - passing test + > not ok 2 - pretend we have a known breakage # TODO known breakage + > # still have 1 known breakage(s) + > # passed all remaining 1 test(s) + > 1..2 + EOF +" + +test_expect_success 'pretend we have fixed a known breakage' " + run_sub_test_lib_test passing-todo 'A passing TODO test' <<-\\EOF && + test_expect_failure 'pretend we have fixed a known breakage' 'true' + test_done + EOF + check_sub_test_lib_test passing-todo <<-\\EOF + > ok 1 - pretend we have fixed a known breakage # TODO known breakage vanished + > # 1 known breakage(s) vanished; please update test(s) + > 1..1 + EOF +" + +test_expect_success 'pretend we have fixed one of two known breakages (run in sub test-lib)' " + run_sub_test_lib_test partially-passing-todos \ + '2 TODO tests, one passing' <<-\\EOF && + test_expect_failure 'pretend we have a known breakage' 'false' + test_expect_success 'pretend we have a passing test' 'true' + test_expect_failure 'pretend we have fixed another known breakage' 'true' + test_done + EOF + check_sub_test_lib_test partially-passing-todos <<-\\EOF + > not ok 1 - pretend we have a known breakage # TODO known breakage + > ok 2 - pretend we have a passing test + > ok 3 - pretend we have fixed another known breakage # TODO known breakage vanished + > # 1 known breakage(s) vanished; please update test(s) + > # still have 1 known breakage(s) + > # passed all remaining 1 test(s) + > 1..3 + EOF +" + +test_expect_success 'pretend we have a pass, fail, and known breakage' " + test_must_fail run_sub_test_lib_test \ + mixed-results1 'mixed results #1' <<-\\EOF && + test_expect_success 'passing test' 'true' + test_expect_success 'failing test' 'false' + test_expect_failure 'pretend we have a known breakage' 'false' + test_done + EOF + check_sub_test_lib_test mixed-results1 <<-\\EOF + > ok 1 - passing test + > not ok 2 - failing test + > # false + > not ok 3 - pretend we have a known breakage # TODO known breakage + > # still have 1 known breakage(s) + > # failed 1 among remaining 2 test(s) + > 1..3 + EOF +" + +test_expect_success 'pretend we have a mix of all possible results' " + test_must_fail run_sub_test_lib_test \ + mixed-results2 'mixed results #2' <<-\\EOF && + test_expect_success 'passing test' 'true' + test_expect_success 'passing test' 'true' + test_expect_success 'passing test' 'true' + test_expect_success 'passing test' 'true' + test_expect_success 'failing test' 'false' + test_expect_success 'failing test' 'false' + test_expect_success 'failing test' 'false' + test_expect_failure 'pretend we have a known breakage' 'false' + test_expect_failure 'pretend we have a known breakage' 'false' + test_expect_failure 'pretend we have fixed a known breakage' 'true' + test_done + EOF + check_sub_test_lib_test mixed-results2 <<-\\EOF + > ok 1 - passing test + > ok 2 - passing test + > ok 3 - passing test + > ok 4 - passing test + > not ok 5 - failing test + > # false + > not ok 6 - failing test + > # false + > not ok 7 - failing test + > # false + > not ok 8 - pretend we have a known breakage # TODO known breakage + > not ok 9 - pretend we have a known breakage # TODO known breakage + > ok 10 - pretend we have fixed a known breakage # TODO known breakage vanished + > # 1 known breakage(s) vanished; please update test(s) + > # still have 2 known breakage(s) + > # failed 3 among remaining 7 test(s) + > 1..10 + EOF +" + +test_set_prereq HAVEIT +haveit=no +test_expect_success HAVEIT 'test runs if prerequisite is satisfied' ' + test_have_prereq HAVEIT && + haveit=yes +' +donthaveit=yes +test_expect_success DONTHAVEIT 'unmet prerequisite causes test to be skipped' ' + donthaveit=no +' +if test $haveit$donthaveit != yesyes +then + say "bug in test framework: prerequisite tags do not work reliably" + exit 1 +fi + +test_set_prereq HAVETHIS +haveit=no +test_expect_success HAVETHIS,HAVEIT 'test runs if prerequisites are satisfied' ' + test_have_prereq HAVEIT && + test_have_prereq HAVETHIS && + haveit=yes +' +donthaveit=yes +test_expect_success HAVEIT,DONTHAVEIT 'unmet prerequisites causes test to be skipped' ' + donthaveit=no +' +donthaveiteither=yes +test_expect_success DONTHAVEIT,HAVEIT 'unmet prerequisites causes test to be skipped' ' + donthaveiteither=no +' +if test $haveit$donthaveit$donthaveiteither != yesyesyes +then + say "bug in test framework: multiple prerequisite tags do not work reliably" + exit 1 +fi + +test_lazy_prereq LAZY_TRUE true +havetrue=no +test_expect_success LAZY_TRUE 'test runs if lazy prereq is satisfied' ' + havetrue=yes +' +donthavetrue=yes +test_expect_success !LAZY_TRUE 'missing lazy prereqs skip tests' ' + donthavetrue=no +' + +if test "$havetrue$donthavetrue" != yesyes +then + say 'bug in test framework: lazy prerequisites do not work' + exit 1 +fi + +test_lazy_prereq LAZY_FALSE false +nothavefalse=no +test_expect_success !LAZY_FALSE 'negative lazy prereqs checked' ' + nothavefalse=yes +' +havefalse=yes +test_expect_success LAZY_FALSE 'missing negative lazy prereqs will skip' ' + havefalse=no +' + +if test "$nothavefalse$havefalse" != yesyes +then + say 'bug in test framework: negative lazy prerequisites do not work' + exit 1 +fi + +clean=no +test_expect_success 'tests clean up after themselves' ' + test_when_finished clean=yes +' + +if test $clean != yes +then + say "bug in test framework: basic cleanup command does not work reliably" + exit 1 +fi + +test_expect_success 'tests clean up even on failures' " + test_must_fail run_sub_test_lib_test \ + failing-cleanup 'Failing tests with cleanup commands' <<-\\EOF && + test_expect_success 'tests clean up even after a failure' ' + touch clean-after-failure && + test_when_finished rm clean-after-failure && + (exit 1) + ' + test_expect_success 'failure to clean up causes the test to fail' ' + test_when_finished \"(exit 2)\" + ' + test_done + EOF + check_sub_test_lib_test failing-cleanup <<-\\EOF + > not ok 1 - tests clean up even after a failure + > # Z + > # touch clean-after-failure && + > # test_when_finished rm clean-after-failure && + > # (exit 1) + > # Z + > not ok 2 - failure to clean up causes the test to fail + > # Z + > # test_when_finished \"(exit 2)\" + > # Z + > # failed 2 among 2 test(s) + > 1..2 + EOF +" + +################################################################ +# Basics of the basics + +# updating a new file without --add should fail. +test_expect_success 'git update-index without --add should fail adding' ' + test_must_fail git update-index should-be-empty +' + +# and with --add it should succeed, even if it is empty (it used to fail). +test_expect_success 'git update-index with --add should succeed' ' + git update-index --add should-be-empty +' + +test_expect_success 'writing tree out with git write-tree' ' + tree=$(git write-tree) +' + +# we know the shape and contents of the tree and know the object ID for it. +test_expect_success 'validate object ID of a known tree' ' + test "$tree" = 7bb943559a305bdd6bdee2cef6e5df2413c3d30a + ' + +# Removing paths. +test_expect_success 'git update-index without --remove should fail removing' ' + rm -f should-be-empty full-of-directories && + test_must_fail git update-index should-be-empty +' + +test_expect_success 'git update-index with --remove should be able to remove' ' + git update-index --remove should-be-empty +' + +# Empty tree can be written with recent write-tree. +test_expect_success 'git write-tree should be able to write an empty tree' ' + tree=$(git write-tree) +' + +test_expect_success 'validate object ID of a known tree' ' + test "$tree" = 4b825dc642cb6eb9a060e54bf8d69288fbee4904 +' + +# Various types of objects + +# Some filesystems do not support symblic links; on such systems +# some expected values are different +if test_have_prereq SYMLINKS +then + expectfilter=cat + expectedtree=087704a96baf1c2d1c869a8b084481e121c88b5b + expectedptree1=21ae8269cacbe57ae09138dcc3a2887f904d02b3 + expectedptree2=3c5e5399f3a333eddecce7a9b9465b63f65f51e2 +else + expectfilter='grep -v sym' + expectedtree=8e18edf7d7edcf4371a3ac6ae5f07c2641db7c46 + expectedptree1=cfb8591b2f65de8b8cc1020cd7d9e67e7793b325 + expectedptree2=ce580448f0148b985a513b693fdf7d802cacb44f +fi + + +test_expect_success 'adding various types of objects with git update-index --add' ' + mkdir path2 path3 path3/subp3 && + paths="path0 path2/file2 path3/file3 path3/subp3/file3" && + ( + for p in $paths + do + echo "hello $p" >$p || exit 1 + if test_have_prereq SYMLINKS + then + ln -s "hello $p" ${p}sym || exit 1 + fi + done + ) && + find path* ! -type d -print | xargs git update-index --add +' + +# Show them and see that matches what we expect. +test_expect_success 'showing stage with git ls-files --stage' ' + git ls-files --stage >current +' + +test_expect_success 'validate git ls-files output for a known tree' ' + $expectfilter >expected <<-\EOF && + 100644 f87290f8eb2cbbea7857214459a0739927eab154 0 path0 + 120000 15a98433ae33114b085f3eb3bb03b832b3180a01 0 path0sym + 100644 3feff949ed00a62d9f7af97c15cd8a30595e7ac7 0 path2/file2 + 120000 d8ce161addc5173867a3c3c730924388daedbc38 0 path2/file2sym + 100644 0aa34cae68d0878578ad119c86ca2b5ed5b28376 0 path3/file3 + 120000 8599103969b43aff7e430efea79ca4636466794f 0 path3/file3sym + 100644 00fb5908cb97c2564a9783c0c64087333b3b464f 0 path3/subp3/file3 + 120000 6649a1ebe9e9f1c553b66f5a6e74136a07ccc57c 0 path3/subp3/file3sym + EOF + test_cmp expected current +' + +test_expect_success 'writing tree out with git write-tree' ' + tree=$(git write-tree) +' + +test_expect_success 'validate object ID for a known tree' ' + test "$tree" = "$expectedtree" +' + +test_expect_success 'showing tree with git ls-tree' ' + git ls-tree $tree >current +' + +test_expect_success SYMLINKS 'git ls-tree output for a known tree' ' + cat >expected <<-\EOF && + 100644 blob f87290f8eb2cbbea7857214459a0739927eab154 path0 + 120000 blob 15a98433ae33114b085f3eb3bb03b832b3180a01 path0sym + 040000 tree 58a09c23e2ca152193f2786e06986b7b6712bdbe path2 + 040000 tree 21ae8269cacbe57ae09138dcc3a2887f904d02b3 path3 + EOF + test_cmp expected current +' + +# This changed in ls-tree pathspec change -- recursive does +# not show tree nodes anymore. +test_expect_success 'showing tree with git ls-tree -r' ' + git ls-tree -r $tree >current +' + +test_expect_success 'git ls-tree -r output for a known tree' ' + $expectfilter >expected <<-\EOF && + 100644 blob f87290f8eb2cbbea7857214459a0739927eab154 path0 + 120000 blob 15a98433ae33114b085f3eb3bb03b832b3180a01 path0sym + 100644 blob 3feff949ed00a62d9f7af97c15cd8a30595e7ac7 path2/file2 + 120000 blob d8ce161addc5173867a3c3c730924388daedbc38 path2/file2sym + 100644 blob 0aa34cae68d0878578ad119c86ca2b5ed5b28376 path3/file3 + 120000 blob 8599103969b43aff7e430efea79ca4636466794f path3/file3sym + 100644 blob 00fb5908cb97c2564a9783c0c64087333b3b464f path3/subp3/file3 + 120000 blob 6649a1ebe9e9f1c553b66f5a6e74136a07ccc57c path3/subp3/file3sym + EOF + test_cmp expected current +' + +# But with -r -t we can have both. +test_expect_success 'showing tree with git ls-tree -r -t' ' + git ls-tree -r -t $tree >current +' + +test_expect_success SYMLINKS 'git ls-tree -r output for a known tree' ' + cat >expected <<-\EOF && + 100644 blob f87290f8eb2cbbea7857214459a0739927eab154 path0 + 120000 blob 15a98433ae33114b085f3eb3bb03b832b3180a01 path0sym + 040000 tree 58a09c23e2ca152193f2786e06986b7b6712bdbe path2 + 100644 blob 3feff949ed00a62d9f7af97c15cd8a30595e7ac7 path2/file2 + 120000 blob d8ce161addc5173867a3c3c730924388daedbc38 path2/file2sym + 040000 tree 21ae8269cacbe57ae09138dcc3a2887f904d02b3 path3 + 100644 blob 0aa34cae68d0878578ad119c86ca2b5ed5b28376 path3/file3 + 120000 blob 8599103969b43aff7e430efea79ca4636466794f path3/file3sym + 040000 tree 3c5e5399f3a333eddecce7a9b9465b63f65f51e2 path3/subp3 + 100644 blob 00fb5908cb97c2564a9783c0c64087333b3b464f path3/subp3/file3 + 120000 blob 6649a1ebe9e9f1c553b66f5a6e74136a07ccc57c path3/subp3/file3sym + EOF + test_cmp expected current +' + +test_expect_success 'writing partial tree out with git write-tree --prefix' ' + ptree=$(git write-tree --prefix=path3) +' + +test_expect_success 'validate object ID for a known tree' ' + test "$ptree" = "$expectedptree1" +' + +test_expect_success 'writing partial tree out with git write-tree --prefix' ' + ptree=$(git write-tree --prefix=path3/subp3) +' + +test_expect_success 'validate object ID for a known tree' ' + test "$ptree" = "$expectedptree2" +' + +test_expect_success 'put invalid objects into the index' ' + rm -f .git/index && + cat >badobjects <<-\EOF && + 100644 blob 1000000000000000000000000000000000000000 dir/file1 + 100644 blob 2000000000000000000000000000000000000000 dir/file2 + 100644 blob 3000000000000000000000000000000000000000 dir/file3 + 100644 blob 4000000000000000000000000000000000000000 dir/file4 + 100644 blob 5000000000000000000000000000000000000000 dir/file5 + EOF + git update-index --index-info <badobjects +' + +test_expect_success 'writing this tree without --missing-ok' ' + test_must_fail git write-tree +' + +test_expect_success 'writing this tree with --missing-ok' ' + git write-tree --missing-ok +' + + +################################################################ +test_expect_success 'git read-tree followed by write-tree should be idempotent' ' + rm -f .git/index + git read-tree $tree && + test -f .git/index && + newtree=$(git write-tree) && + test "$newtree" = "$tree" +' + +test_expect_success 'validate git diff-files output for a know cache/work tree state' ' + $expectfilter >expected <<\EOF && +:100644 100644 f87290f8eb2cbbea7857214459a0739927eab154 0000000000000000000000000000000000000000 M path0 +:120000 120000 15a98433ae33114b085f3eb3bb03b832b3180a01 0000000000000000000000000000000000000000 M path0sym +:100644 100644 3feff949ed00a62d9f7af97c15cd8a30595e7ac7 0000000000000000000000000000000000000000 M path2/file2 +:120000 120000 d8ce161addc5173867a3c3c730924388daedbc38 0000000000000000000000000000000000000000 M path2/file2sym +:100644 100644 0aa34cae68d0878578ad119c86ca2b5ed5b28376 0000000000000000000000000000000000000000 M path3/file3 +:120000 120000 8599103969b43aff7e430efea79ca4636466794f 0000000000000000000000000000000000000000 M path3/file3sym +:100644 100644 00fb5908cb97c2564a9783c0c64087333b3b464f 0000000000000000000000000000000000000000 M path3/subp3/file3 +:120000 120000 6649a1ebe9e9f1c553b66f5a6e74136a07ccc57c 0000000000000000000000000000000000000000 M path3/subp3/file3sym +EOF + git diff-files >current && + test_cmp current expected +' + +test_expect_success 'git update-index --refresh should succeed' ' + git update-index --refresh +' + +test_expect_success 'no diff after checkout and git update-index --refresh' ' + git diff-files >current && + cmp -s current /dev/null +' + +################################################################ +P=$expectedtree + +test_expect_success 'git commit-tree records the correct tree in a commit' ' + commit0=$(echo NO | git commit-tree $P) && + tree=$(git show --pretty=raw $commit0 | + sed -n -e "s/^tree //p" -e "/^author /q") && + test "z$tree" = "z$P" +' + +test_expect_success 'git commit-tree records the correct parent in a commit' ' + commit1=$(echo NO | git commit-tree $P -p $commit0) && + parent=$(git show --pretty=raw $commit1 | + sed -n -e "s/^parent //p" -e "/^author /q") && + test "z$commit0" = "z$parent" +' + +test_expect_success 'git commit-tree omits duplicated parent in a commit' ' + commit2=$(echo NO | git commit-tree $P -p $commit0 -p $commit0) && + parent=$(git show --pretty=raw $commit2 | + sed -n -e "s/^parent //p" -e "/^author /q" | + sort -u) && + test "z$commit0" = "z$parent" && + numparent=$(git show --pretty=raw $commit2 | + sed -n -e "s/^parent //p" -e "/^author /q" | + wc -l) && + test $numparent = 1 +' + +test_expect_success 'update-index D/F conflict' ' + mv path0 tmp && + mv path2 path0 && + mv tmp path2 && + git update-index --add --replace path2 path0/file2 && + numpath0=$(git ls-files path0 | wc -l) && + test $numpath0 = 1 +' + +test_expect_success 'very long name in the index handled sanely' ' + + a=a && # 1 + a=$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a && # 16 + a=$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a && # 256 + a=$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a$a && # 4096 + a=${a}q && + + >path4 && + git update-index --add path4 && + ( + git ls-files -s path4 | + sed -e "s/ .*/ /" | + tr -d "\012" + echo "$a" + ) | git update-index --index-info && + len=$(git ls-files "a*" | wc -c) && + test $len = 4098 +' + +test_done |