diff options
Diffstat (limited to 't/t2018-checkout-branch.sh')
| -rwxr-xr-x | t/t2018-checkout-branch.sh | 162 |
1 files changed, 112 insertions, 50 deletions
diff --git a/t/t2018-checkout-branch.sh b/t/t2018-checkout-branch.sh index 2131fb2..2158315 100755 --- a/t/t2018-checkout-branch.sh +++ b/t/t2018-checkout-branch.sh @@ -1,50 +1,76 @@ #!/bin/sh -test_description='checkout ' +test_description='checkout' . ./test-lib.sh -# Arguments: <branch> <sha> [<checkout options>] +# Arguments: [!] <branch> <oid> [<checkout options>] # # Runs "git checkout" to switch to <branch>, testing that # # 1) we are on the specified branch, <branch>; -# 2) HEAD is <sha>; if <sha> is not specified, the old HEAD is used. +# 2) HEAD is <oid>; if <oid> is not specified, the old HEAD is used. # # If <checkout options> is not specified, "git checkout" is run with -b. -do_checkout() { +# +# If the first argument is `!`, "git checkout" is expected to fail when +# it is run. +do_checkout () { + should_fail= && + if test "x$1" = "x!" + then + should_fail=yes && + shift + fi && exp_branch=$1 && exp_ref="refs/heads/$exp_branch" && - # if <sha> is not specified, use HEAD. - exp_sha=${2:-$(git rev-parse --verify HEAD)} && + # if <oid> is not specified, use HEAD. + exp_oid=${2:-$(git rev-parse --verify HEAD)} && # default options for git checkout: -b - if [ -z "$3" ]; then + if test -z "$3" + then opts="-b" else opts="$3" fi - git checkout $opts $exp_branch $exp_sha && + if test -n "$should_fail" + then + test_must_fail git checkout $opts $exp_branch $exp_oid + else + git checkout $opts $exp_branch $exp_oid && + echo "$exp_ref" >ref.expect && + git rev-parse --symbolic-full-name HEAD >ref.actual && + test_cmp ref.expect ref.actual && + echo "$exp_oid" >oid.expect && + git rev-parse --verify HEAD >oid.actual && + test_cmp oid.expect oid.actual + fi +} - test $exp_ref = $(git rev-parse --symbolic-full-name HEAD) && - test $exp_sha = $(git rev-parse --verify HEAD) +test_dirty_unmergeable () { + test_expect_code 1 git diff --exit-code } -test_dirty_unmergeable() { - ! git diff --exit-code >/dev/null +test_dirty_unmergeable_discards_changes () { + git diff --exit-code } -setup_dirty_unmergeable() { +setup_dirty_unmergeable () { echo >>file1 change2 } -test_dirty_mergeable() { - ! git diff --cached --exit-code >/dev/null +test_dirty_mergeable () { + test_expect_code 1 git diff --cached --exit-code } -setup_dirty_mergeable() { +test_dirty_mergeable_discards_changes () { + git diff --cached --exit-code +} + +setup_dirty_mergeable () { echo >file2 file2 && git add file2 } @@ -60,38 +86,47 @@ test_expect_success 'setup' ' ' test_expect_success 'checkout -b to a new branch, set to HEAD' ' + test_when_finished " + git checkout branch1 && + test_might_fail git branch -D branch2" && do_checkout branch2 ' -test_expect_success 'checkout -b to a new branch, set to an explicit ref' ' - git checkout branch1 && - git branch -D branch2 && +test_expect_success 'checkout -b to a merge base' ' + test_when_finished " + git checkout branch1 && + test_might_fail git branch -D branch2" && + git checkout -b branch2 branch1... +' +test_expect_success 'checkout -b to a new branch, set to an explicit ref' ' + test_when_finished " + git checkout branch1 && + test_might_fail git branch -D branch2" && do_checkout branch2 $HEAD1 ' test_expect_success 'checkout -b to a new branch with unmergeable changes fails' ' - git checkout branch1 && - - # clean up from previous test - git branch -D branch2 && - setup_dirty_unmergeable && - test_must_fail do_checkout branch2 $HEAD1 && + do_checkout ! branch2 $HEAD1 && test_dirty_unmergeable ' test_expect_success 'checkout -f -b to a new branch with unmergeable changes discards changes' ' + test_when_finished " + git checkout branch1 && + test_might_fail git branch -D branch2" && + # still dirty and on branch1 do_checkout branch2 $HEAD1 "-f -b" && - test_must_fail test_dirty_unmergeable + test_dirty_unmergeable_discards_changes ' test_expect_success 'checkout -b to a new branch preserves mergeable changes' ' - git checkout branch1 && - - # clean up from previous test - git branch -D branch2 && + test_when_finished " + git reset --hard && + git checkout branch1 && + test_might_fail git branch -D branch2" && setup_dirty_mergeable && do_checkout branch2 $HEAD1 && @@ -99,27 +134,18 @@ test_expect_success 'checkout -b to a new branch preserves mergeable changes' ' ' test_expect_success 'checkout -f -b to a new branch with mergeable changes discards changes' ' - # clean up from previous test - git reset --hard && - - git checkout branch1 && - - # clean up from previous test - git branch -D branch2 && - + test_when_finished git reset --hard HEAD && setup_dirty_mergeable && do_checkout branch2 $HEAD1 "-f -b" && - test_must_fail test_dirty_mergeable + test_dirty_mergeable_discards_changes ' test_expect_success 'checkout -b to an existing branch fails' ' - git reset --hard HEAD && - - test_must_fail do_checkout branch2 $HEAD2 + test_when_finished git reset --hard HEAD && + do_checkout ! branch2 $HEAD2 ' test_expect_success 'checkout -b to @{-1} fails with the right branch name' ' - git reset --hard HEAD && git checkout branch1 && git checkout branch2 && echo >expect "fatal: A branch named '\''branch1'\'' already exists." && @@ -133,8 +159,15 @@ test_expect_success 'checkout -B to an existing branch resets branch to HEAD' ' do_checkout branch2 "" -B ' +test_expect_success 'checkout -B to a merge base' ' + git checkout branch1 && + + git checkout -B branch2 branch1... +' + test_expect_success 'checkout -B to an existing branch from detached HEAD resets branch to HEAD' ' - git checkout $(git rev-parse --verify HEAD) && + head=$(git rev-parse --verify HEAD) && + git checkout "$head" && do_checkout branch2 "" -B ' @@ -149,17 +182,18 @@ test_expect_success 'checkout -B to an existing branch with unmergeable changes git checkout branch1 && setup_dirty_unmergeable && - test_must_fail do_checkout branch2 $HEAD1 -B && + do_checkout ! branch2 $HEAD1 -B && test_dirty_unmergeable ' test_expect_success 'checkout -f -B to an existing branch with unmergeable changes discards changes' ' # still dirty and on branch1 do_checkout branch2 $HEAD1 "-f -B" && - test_must_fail test_dirty_unmergeable + test_dirty_unmergeable_discards_changes ' test_expect_success 'checkout -B to an existing branch preserves mergeable changes' ' + test_when_finished git reset --hard && git checkout branch1 && setup_dirty_mergeable && @@ -168,14 +202,11 @@ test_expect_success 'checkout -B to an existing branch preserves mergeable chang ' test_expect_success 'checkout -f -B to an existing branch with mergeable changes discards changes' ' - # clean up from previous test - git reset --hard && - git checkout branch1 && setup_dirty_mergeable && do_checkout branch2 $HEAD1 "-f -B" && - test_must_fail test_dirty_mergeable + test_dirty_mergeable_discards_changes ' test_expect_success 'checkout -b <describe>' ' @@ -198,4 +229,35 @@ test_expect_success 'checkout -B to the current branch works' ' test_dirty_mergeable ' +test_expect_success 'checkout -b after clone --no-checkout does a checkout of HEAD' ' + git init src && + test_commit -C src a && + rev="$(git -C src rev-parse HEAD)" && + git clone --no-checkout src dest && + git -C dest checkout "$rev" -b branch && + test_path_is_file dest/a.t +' + +test_expect_success 'checkout -b to a new branch preserves mergeable changes despite sparse-checkout' ' + test_when_finished " + git reset --hard && + git checkout branch1-scratch && + test_might_fail git branch -D branch3 && + git config core.sparseCheckout false && + rm .git/info/sparse-checkout" && + + test_commit file2 && + + echo stuff >>file1 && + echo file2 >.git/info/sparse-checkout && + git config core.sparseCheckout true && + + CURHEAD=$(git rev-parse HEAD) && + do_checkout branch3 $CURHEAD && + + echo file1 >expect && + git diff --name-only >actual && + test_cmp expect actual +' + test_done |