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git/t/t0000-basic.sh
Junio C Hamano 6fedcd8188 Merge branch 'as/test-tweaks' 
Output from the tests is coloured using "green is okay, yellow is
questionable, red is bad and blue is informative" scheme.

* as/test-tweaks:
  tests: paint unexpectedly fixed known breakages in bold red
  tests: test the test framework more thoroughly
  tests: refactor mechanics of testing in a sub test-lib
  tests: change info messages from yellow/brown to cyan
  tests: paint skipped tests in blue
  tests: paint known breakages in yellow
  tests: test number comes first in 'not ok $count - $message'
2013-01-03 10:29:12 -08:00

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#!/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
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