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