t/t5548-push-porcelain.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2020 Jiang Xin
   4 #
   5 test_description='Test git push porcelain output'
   6
   7 . ./test-lib.sh
   8
   9 # Create commits in <repo> and assign each commit's oid to shell variables
  10 # given in the arguments (A, B, and C). E.g.:
  11 #
  12 #     create_commits_in <repo> A B C
  13 #
  14 # NOTE: Never calling this function from a subshell since variable
  15 # assignments will disappear when subshell exits.
  16 create_commits_in () {
  17         repo="$1" &&
  18         if ! parent=$(git -C "$repo" rev-parse HEAD^{} --)
  19         then
  20                 parent=
  21         fi &&
  22         T=$(git -C "$repo" write-tree) &&
  23         shift &&
  24         while test $# -gt 0
  25         do
  26                 name=$1 &&
  27                 test_tick &&
  28                 if test -z "$parent"
  29                 then
  30                         oid=$(echo $name | git -C "$repo" commit-tree $T)
  31                 else
  32                         oid=$(echo $name | git -C "$repo" commit-tree -p $parent $T)
  33                 fi &&
  34                 eval $name=$oid &&
  35                 parent=$oid &&
  36                 shift ||
  37                 return 1
  38         done &&
  39         git -C "$repo" update-ref refs/heads/master $oid
  40 }
  41
  42 # Format the output of git-push, git-show-ref and other commands to make a
  43 # user-friendly and stable text.  We can easily prepare the expect text
  44 # without having to worry about future changes of the commit ID and spaces
  45 # of the output.
  46 make_user_friendly_and_stable_output () {
  47         sed \
  48                 -e "s/  *\$//" \
  49                 -e "s/   */ /g" \
  50                 -e "s/  /    /g" \
  51                 -e "s/$A/<COMMIT-A>/g" \
  52                 -e "s/$B/<COMMIT-B>/g" \
  53                 -e "s/$ZERO_OID/<ZERO-OID>/g" \
  54                 -e "s/$(echo $A | cut -c1-7)[0-9a-f]*/<OID-A>/g" \
  55                 -e "s/$(echo $B | cut -c1-7)[0-9a-f]*/<OID-B>/g" \
  56                 -e "s#To $URL_PREFIX/upstream.git#To <URL/of/upstream.git>#"
  57 }
  58
  59 setup_upstream_and_workbench () {
  60         # Upstream  after setup : master(B)  foo(A)  bar(A)  baz(A)
  61         # Workbench after setup : master(A)
  62         test_expect_success "setup upstream repository and workbench" '
  63                 rm -rf upstream.git workbench &&
  64                 git init --bare upstream.git &&
  65                 git init workbench &&
  66                 create_commits_in workbench A B &&
  67                 (
  68                         cd workbench &&
  69                         # Try to make a stable fixed width for abbreviated commit ID,
  70                         # this fixed-width oid will be replaced with "<OID>".
  71                         git config core.abbrev 7 &&
  72                         git remote add origin ../upstream.git &&
  73                         git update-ref refs/heads/master $A &&
  74                         git push origin \
  75                                 $B:refs/heads/master \
  76                                 $A:refs/heads/foo \
  77                                 $A:refs/heads/bar \
  78                                 $A:refs/heads/baz
  79                 ) &&
  80                 git -C "workbench" config advice.pushUpdateRejected false &&
  81                 upstream=upstream.git
  82         '
  83 }
  84
  85 run_git_push_porcelain_output_test() {
  86         case $1 in
  87         http)
  88                 PROTOCOL="HTTP protocol"
  89                 URL_PREFIX="http://.*"
  90                 ;;
  91         file)
  92                 PROTOCOL="builtin protocol"
  93                 URL_PREFIX="\.\."
  94                 ;;
  95         esac
  96
  97         # Refs of upstream : master(B)  foo(A)  bar(A)  baz(A)
  98         # Refs of workbench: master(A)                  baz(A)  next(A)
  99         # git-push         : master(A)  NULL    (B)     baz(A)  next(A)
 100         test_expect_success "porcelain output of successful git-push ($PROTOCOL)" '
 101                 (
 102                         cd workbench &&
 103                         git update-ref refs/heads/master $A &&
 104                         git update-ref refs/heads/baz $A &&
 105                         git update-ref refs/heads/next $A &&
 106                         git push --porcelain --force origin \
 107                                 master \
 108                                 :refs/heads/foo \
 109                                 $B:bar \
 110                                 baz \
 111                                 next
 112                 ) >out &&
 113                 make_user_friendly_and_stable_output <out >actual &&
 114                 cat >expect <<-EOF &&
 115                 To <URL/of/upstream.git>
 116                 =    refs/heads/baz:refs/heads/baz    [up to date]
 117                      <COMMIT-B>:refs/heads/bar    <OID-A>..<OID-B>
 118                 -    :refs/heads/foo    [deleted]
 119                 +    refs/heads/master:refs/heads/master    <OID-B>...<OID-A> (forced update)
 120                 *    refs/heads/next:refs/heads/next    [new branch]
 121                 Done
 122                 EOF
 123                 test_cmp expect actual &&
 124
 125                 git -C "$upstream" show-ref >out &&
 126                 make_user_friendly_and_stable_output <out >actual &&
 127                 cat >expect <<-EOF &&
 128                 <COMMIT-B> refs/heads/bar
 129                 <COMMIT-A> refs/heads/baz
 130                 <COMMIT-A> refs/heads/master
 131                 <COMMIT-A> refs/heads/next
 132                 EOF
 133                 test_cmp expect actual
 134         '
 135
 136         # Refs of upstream : master(A)  bar(B)  baz(A)  next(A)
 137         # Refs of workbench: master(B)  bar(A)  baz(A)  next(A)
 138         # git-push         : master(B)  bar(A)  NULL    next(A)
 139         test_expect_success "atomic push failed ($PROTOCOL)" '
 140                 (
 141                         cd workbench &&
 142                         git update-ref refs/heads/master $B &&
 143                         git update-ref refs/heads/bar $A &&
 144                         test_must_fail git push --atomic --porcelain origin \
 145                                 master \
 146                                 bar \
 147                                 :baz \
 148                                 next
 149                 ) >out &&
 150                 make_user_friendly_and_stable_output <out >actual &&
 151                 cat >expect <<-EOF &&
 152                 To <URL/of/upstream.git>
 153                 =    refs/heads/next:refs/heads/next    [up to date]
 154                 !    refs/heads/bar:refs/heads/bar    [rejected] (non-fast-forward)
 155                 !    (delete):refs/heads/baz    [rejected] (atomic push failed)
 156                 !    refs/heads/master:refs/heads/master    [rejected] (atomic push failed)
 157                 Done
 158                 EOF
 159                 test_cmp expect actual &&
 160
 161                 git -C "$upstream" show-ref >out &&
 162                 make_user_friendly_and_stable_output <out >actual &&
 163                 cat >expect <<-EOF &&
 164                 <COMMIT-B> refs/heads/bar
 165                 <COMMIT-A> refs/heads/baz
 166                 <COMMIT-A> refs/heads/master
 167                 <COMMIT-A> refs/heads/next
 168                 EOF
 169                 test_cmp expect actual
 170         '
 171         test_expect_success "prepare pre-receive hook ($PROTOCOL)" '
 172                 write_script "$upstream/hooks/pre-receive" <<-EOF
 173                 exit 1
 174                 EOF
 175         '
 176
 177         # Refs of upstream : master(A)  bar(B)  baz(A)  next(A)
 178         # Refs of workbench: master(B)  bar(A)  baz(A)  next(A)
 179         # git-push         : master(B)  bar(A)  NULL    next(A)
 180         test_expect_success "pre-receive hook declined ($PROTOCOL)" '
 181                 (
 182                         cd workbench &&
 183                         git update-ref refs/heads/master $B &&
 184                         git update-ref refs/heads/bar $A &&
 185                         test_must_fail git push --porcelain --force origin \
 186                                 master \
 187                                 bar \
 188                                 :baz \
 189                                 next
 190                 ) >out &&
 191                 make_user_friendly_and_stable_output <out >actual &&
 192                 cat >expect <<-EOF &&
 193                 To <URL/of/upstream.git>
 194                 =    refs/heads/next:refs/heads/next    [up to date]
 195                 !    refs/heads/bar:refs/heads/bar    [remote rejected] (pre-receive hook declined)
 196                 !    :refs/heads/baz    [remote rejected] (pre-receive hook declined)
 197                 !    refs/heads/master:refs/heads/master    [remote rejected] (pre-receive hook declined)
 198                 Done
 199                 EOF
 200                 test_cmp expect actual &&
 201
 202                 git -C "$upstream" show-ref >out &&
 203                 make_user_friendly_and_stable_output <out >actual &&
 204                 cat >expect <<-EOF &&
 205                 <COMMIT-B> refs/heads/bar
 206                 <COMMIT-A> refs/heads/baz
 207                 <COMMIT-A> refs/heads/master
 208                 <COMMIT-A> refs/heads/next
 209                 EOF
 210                 test_cmp expect actual
 211         '
 212
 213         test_expect_success "remove pre-receive hook ($PROTOCOL)" '
 214                 rm "$upstream/hooks/pre-receive"
 215         '
 216
 217         # Refs of upstream : master(A)  bar(B)  baz(A)  next(A)
 218         # Refs of workbench: master(B)  bar(A)  baz(A)  next(A)
 219         # git-push         : master(B)  bar(A)  NULL    next(A)
 220         test_expect_success "non-fastforward push ($PROTOCOL)" '
 221                 (
 222                         cd workbench &&
 223                         test_must_fail git push --porcelain origin \
 224                                 master \
 225                                 bar \
 226                                 :baz \
 227                                 next
 228                 ) >out &&
 229                 make_user_friendly_and_stable_output <out >actual &&
 230                 cat >expect <<-EOF &&
 231                 To <URL/of/upstream.git>
 232                 =    refs/heads/next:refs/heads/next    [up to date]
 233                 -    :refs/heads/baz    [deleted]
 234                      refs/heads/master:refs/heads/master    <OID-A>..<OID-B>
 235                 !    refs/heads/bar:refs/heads/bar    [rejected] (non-fast-forward)
 236                 Done
 237                 EOF
 238                 test_cmp expect actual &&
 239
 240                 git -C "$upstream" show-ref >out &&
 241                 make_user_friendly_and_stable_output <out >actual &&
 242                 cat >expect <<-EOF &&
 243                 <COMMIT-B> refs/heads/bar
 244                 <COMMIT-B> refs/heads/master
 245                 <COMMIT-A> refs/heads/next
 246                 EOF
 247                 test_cmp expect actual
 248         '
 249 }
 250
 251 # Initialize the upstream repository and local workbench.
 252 setup_upstream_and_workbench
 253
 254 # Run git-push porcelain test on builtin protocol
 255 run_git_push_porcelain_output_test file
 256
 257 ROOT_PATH="$PWD"
 258 . "$TEST_DIRECTORY"/lib-gpg.sh
 259 . "$TEST_DIRECTORY"/lib-httpd.sh
 260 . "$TEST_DIRECTORY"/lib-terminal.sh
 261 start_httpd
 262
 263 # Re-initialize the upstream repository and local workbench.
 264 setup_upstream_and_workbench
 265
 266 test_expect_success "setup for http" '
 267         git -C upstream.git config http.receivepack true &&
 268         upstream="$HTTPD_DOCUMENT_ROOT_PATH/upstream.git" &&
 269         mv upstream.git "$upstream" &&
 270
 271         git -C workbench remote set-url origin $HTTPD_URL/smart/upstream.git
 272 '
 273
 274 setup_askpass_helper
 275
 276 # Run git-push porcelain test on HTTP protocol
 277 run_git_push_porcelain_output_test http
 278
 279 test_done