t/lib-httpd: require SANITY prereq
[git] / t / lib-httpd.sh
1 # Shell library to run an HTTP server for use in tests.
2 # Ends the test early if httpd tests should not be run,
3 # for example because the user has not enabled them.
4 #
5 # Usage:
6 #
7 #       . ./test-lib.sh
8 #       . "$TEST_DIRECTORY"/lib-httpd.sh
9 #       start_httpd
10 #
11 #       test_expect_success '...' '
12 #               ...
13 #       '
14 #
15 #       test_expect_success ...
16 #
17 #       stop_httpd
18 #       test_done
19 #
20 # Can be configured using the following variables.
21 #
22 #    GIT_TEST_HTTPD              enable HTTPD tests
23 #    LIB_HTTPD_PATH              web server path
24 #    LIB_HTTPD_MODULE_PATH       web server modules path
25 #    LIB_HTTPD_PORT              listening port
26 #    LIB_HTTPD_DAV               enable DAV
27 #    LIB_HTTPD_SVN               enable SVN
28 #    LIB_HTTPD_SSL               enable SSL
29 #
30 # Copyright (c) 2008 Clemens Buchacher <drizzd@aon.at>
31 #
32
33 if test -z "$GIT_TEST_HTTPD"
34 then
35         skip_all="Network testing disabled (define GIT_TEST_HTTPD to enable)"
36         test_done
37 fi
38
39 if ! test_have_prereq SANITY; then
40         test_skip_or_die $GIT_TEST_HTTPD \
41                 "Cannot run httpd tests as root"
42 fi
43
44 HTTPD_PARA=""
45
46 for DEFAULT_HTTPD_PATH in '/usr/sbin/httpd' '/usr/sbin/apache2'
47 do
48         if test -x "$DEFAULT_HTTPD_PATH"
49         then
50                 break
51         fi
52 done
53
54 for DEFAULT_HTTPD_MODULE_PATH in '/usr/libexec/apache2' \
55                                  '/usr/lib/apache2/modules' \
56                                  '/usr/lib64/httpd/modules' \
57                                  '/usr/lib/httpd/modules'
58 do
59         if test -d "$DEFAULT_HTTPD_MODULE_PATH"
60         then
61                 break
62         fi
63 done
64
65 case $(uname) in
66         Darwin)
67                 HTTPD_PARA="$HTTPD_PARA -DDarwin"
68         ;;
69 esac
70
71 LIB_HTTPD_PATH=${LIB_HTTPD_PATH-"$DEFAULT_HTTPD_PATH"}
72 LIB_HTTPD_PORT=${LIB_HTTPD_PORT-${this_test#t}}
73
74 TEST_PATH="$TEST_DIRECTORY"/lib-httpd
75 HTTPD_ROOT_PATH="$PWD"/httpd
76 HTTPD_DOCUMENT_ROOT_PATH=$HTTPD_ROOT_PATH/www
77
78 # hack to suppress apache PassEnv warnings
79 GIT_VALGRIND=$GIT_VALGRIND; export GIT_VALGRIND
80 GIT_VALGRIND_OPTIONS=$GIT_VALGRIND_OPTIONS; export GIT_VALGRIND_OPTIONS
81
82 if ! test -x "$LIB_HTTPD_PATH"
83 then
84         skip_all="skipping test, no web server found at '$LIB_HTTPD_PATH'"
85         test_done
86 fi
87
88 HTTPD_VERSION=`$LIB_HTTPD_PATH -v | \
89         sed -n 's/^Server version: Apache\/\([0-9]*\)\..*$/\1/p; q'`
90
91 if test -n "$HTTPD_VERSION"
92 then
93         if test -z "$LIB_HTTPD_MODULE_PATH"
94         then
95                 if ! test $HTTPD_VERSION -ge 2
96                 then
97                         skip_all="skipping test, at least Apache version 2 is required"
98                         test_done
99                 fi
100                 if ! test -d "$DEFAULT_HTTPD_MODULE_PATH"
101                 then
102                         skip_all="Apache module directory not found.  Skipping tests."
103                         test_done
104                 fi
105
106                 LIB_HTTPD_MODULE_PATH="$DEFAULT_HTTPD_MODULE_PATH"
107         fi
108 else
109         error "Could not identify web server at '$LIB_HTTPD_PATH'"
110 fi
111
112 prepare_httpd() {
113         mkdir -p "$HTTPD_DOCUMENT_ROOT_PATH"
114         cp "$TEST_PATH"/passwd "$HTTPD_ROOT_PATH"
115         cp "$TEST_PATH"/broken-smart-http.sh "$HTTPD_ROOT_PATH"
116
117         ln -s "$LIB_HTTPD_MODULE_PATH" "$HTTPD_ROOT_PATH/modules"
118
119         if test -n "$LIB_HTTPD_SSL"
120         then
121                 HTTPD_PROTO=https
122
123                 RANDFILE_PATH="$HTTPD_ROOT_PATH"/.rnd openssl req \
124                         -config "$TEST_PATH/ssl.cnf" \
125                         -new -x509 -nodes \
126                         -out "$HTTPD_ROOT_PATH/httpd.pem" \
127                         -keyout "$HTTPD_ROOT_PATH/httpd.pem"
128                 GIT_SSL_NO_VERIFY=t
129                 export GIT_SSL_NO_VERIFY
130                 HTTPD_PARA="$HTTPD_PARA -DSSL"
131         else
132                 HTTPD_PROTO=http
133         fi
134         HTTPD_DEST=127.0.0.1:$LIB_HTTPD_PORT
135         HTTPD_URL=$HTTPD_PROTO://$HTTPD_DEST
136         HTTPD_URL_USER=$HTTPD_PROTO://user%40host@$HTTPD_DEST
137         HTTPD_URL_USER_PASS=$HTTPD_PROTO://user%40host:pass%40host@$HTTPD_DEST
138
139         if test -n "$LIB_HTTPD_DAV" -o -n "$LIB_HTTPD_SVN"
140         then
141                 HTTPD_PARA="$HTTPD_PARA -DDAV"
142
143                 if test -n "$LIB_HTTPD_SVN"
144                 then
145                         HTTPD_PARA="$HTTPD_PARA -DSVN"
146                         rawsvnrepo="$HTTPD_ROOT_PATH/svnrepo"
147                         svnrepo="http://127.0.0.1:$LIB_HTTPD_PORT/svn"
148                 fi
149         fi
150 }
151
152 start_httpd() {
153         prepare_httpd >&3 2>&4
154
155         trap 'code=$?; stop_httpd; (exit $code); die' EXIT
156
157         "$LIB_HTTPD_PATH" -d "$HTTPD_ROOT_PATH" \
158                 -f "$TEST_PATH/apache.conf" $HTTPD_PARA \
159                 -c "Listen 127.0.0.1:$LIB_HTTPD_PORT" -k start \
160                 >&3 2>&4
161         if test $? -ne 0
162         then
163                 skip_all="skipping test, web server setup failed"
164                 trap 'die' EXIT
165                 test_done
166         fi
167 }
168
169 stop_httpd() {
170         trap 'die' EXIT
171
172         "$LIB_HTTPD_PATH" -d "$HTTPD_ROOT_PATH" \
173                 -f "$TEST_PATH/apache.conf" $HTTPD_PARA -k stop
174 }
175
176 test_http_push_nonff () {
177         REMOTE_REPO=$1
178         LOCAL_REPO=$2
179         BRANCH=$3
180         EXPECT_CAS_RESULT=${4-failure}
181
182         test_expect_success 'non-fast-forward push fails' '
183                 cd "$REMOTE_REPO" &&
184                 HEAD=$(git rev-parse --verify HEAD) &&
185
186                 cd "$LOCAL_REPO" &&
187                 git checkout $BRANCH &&
188                 echo "changed" > path2 &&
189                 git commit -a -m path2 --amend &&
190
191                 test_must_fail git push -v origin >output 2>&1 &&
192                 (cd "$REMOTE_REPO" &&
193                  test $HEAD = $(git rev-parse --verify HEAD))
194         '
195
196         test_expect_success 'non-fast-forward push show ref status' '
197                 grep "^ ! \[rejected\][ ]*$BRANCH -> $BRANCH (non-fast-forward)$" output
198         '
199
200         test_expect_success 'non-fast-forward push shows help message' '
201                 test_i18ngrep "Updates were rejected because" output
202         '
203
204         test_expect_${EXPECT_CAS_RESULT} 'force with lease aka cas' '
205                 HEAD=$( cd "$REMOTE_REPO" && git rev-parse --verify HEAD ) &&
206                 test_when_finished '\''
207                         (cd "$REMOTE_REPO" && git update-ref HEAD "$HEAD")
208                 '\'' &&
209                 (
210                         cd "$LOCAL_REPO" &&
211                         git push -v --force-with-lease=$BRANCH:$HEAD origin
212                 ) &&
213                 git rev-parse --verify "$BRANCH" >expect &&
214                 (
215                         cd "$REMOTE_REPO" && git rev-parse --verify HEAD
216                 ) >actual &&
217                 test_cmp expect actual
218         '
219 }
220
221 setup_askpass_helper() {
222         test_expect_success 'setup askpass helper' '
223                 write_script "$TRASH_DIRECTORY/askpass" <<-\EOF &&
224                 echo >>"$TRASH_DIRECTORY/askpass-query" "askpass: $*" &&
225                 case "$*" in
226                 *Username*)
227                         what=user
228                         ;;
229                 *Password*)
230                         what=pass
231                         ;;
232                 esac &&
233                 cat "$TRASH_DIRECTORY/askpass-$what"
234                 EOF
235                 GIT_ASKPASS="$TRASH_DIRECTORY/askpass" &&
236                 export GIT_ASKPASS &&
237                 export TRASH_DIRECTORY
238         '
239 }
240
241 set_askpass() {
242         >"$TRASH_DIRECTORY/askpass-query" &&
243         echo "$1" >"$TRASH_DIRECTORY/askpass-user" &&
244         echo "$2" >"$TRASH_DIRECTORY/askpass-pass"
245 }
246
247 expect_askpass() {
248         dest=$HTTPD_DEST${3+/$3}
249
250         {
251                 case "$1" in
252                 none)
253                         ;;
254                 pass)
255                         echo "askpass: Password for 'http://$2@$dest': "
256                         ;;
257                 both)
258                         echo "askpass: Username for 'http://$dest': "
259                         echo "askpass: Password for 'http://$2@$dest': "
260                         ;;
261                 *)
262                         false
263                         ;;
264                 esac
265         } >"$TRASH_DIRECTORY/askpass-expect" &&
266         test_cmp "$TRASH_DIRECTORY/askpass-expect" \
267                  "$TRASH_DIRECTORY/askpass-query"
268 }