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      1 #!/bin/bash
      2 # Copyright 2013 the V8 project authors. All rights reserved.
      3 # Redistribution and use in source and binary forms, with or without
      4 # modification, are permitted provided that the following conditions are
      5 # met:
      6 #
      7 #     * Redistributions of source code must retain the above copyright
      8 #       notice, this list of conditions and the following disclaimer.
      9 #     * Redistributions in binary form must reproduce the above
     10 #       copyright notice, this list of conditions and the following
     11 #       disclaimer in the documentation and/or other materials provided
     12 #       with the distribution.
     13 #     * Neither the name of Google Inc. nor the names of its
     14 #       contributors may be used to endorse or promote products derived
     15 #       from this software without specific prior written permission.
     16 #
     17 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     18 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     19 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     20 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     21 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     22 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     23 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     24 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     25 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     26 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     27 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     28 
     29 # Tests the push-to-trunk.sh script. Needs to be run in V8 base dir:
     30 # ./tools/test-push-to-trunk.sh
     31 
     32 # TODO(machenbach): Check automatically if expectations match.
     33 # TODO(machenbach): Mock out version number retrieval.
     34 # TODO(machenbach): Allow multiple different test cases.
     35 # TODO(machenbach): Allow multi line mock output.
     36 # TODO(machenbach): Represent test expectations/mock output without an array
     37 # index increment.
     38 
     39 ########## Stdin for push-to-trunk.sh
     40 
     41 # Confirm push to trunk commit ID
     42 INPUT[0]="Y"
     43 # Open editor
     44 INPUT[1]=""
     45 # Confirm increment version number
     46 INPUT[2]="Y"
     47 # Reviewer for V8 CL
     48 INPUT[3]="reviewer (at] chromium.org"
     49 # Enter LGTM for V8 CL
     50 INPUT[4]="LGTM"
     51 # Confirm checkout sanity
     52 INPUT[5]="Y"
     53 # Manually type in trunk revision
     54 INPUT[6]="12345"
     55 # Reviewer for Chromium CL
     56 INPUT[7]="reviewer (at] chromium.org"
     57 
     58 ########## Expected commands and mock output
     59 
     60 EXP[0]="git status -s -uno"
     61 OUT[0]=""
     62 EXP[1]="git status -s -b -uno"
     63 OUT[1]="## some_branch"
     64 EXP[2]="git svn fetch"
     65 OUT[2]=""
     66 EXP[3]="git branch"
     67 OUT[3]="not the temp branch"
     68 EXP[4]="git checkout -b prepare-push-temporary-branch-created-by-script"
     69 OUT[4]=""
     70 EXP[5]="git branch"
     71 OUT[5]="not the branch"
     72 EXP[6]="git branch"
     73 OUT[6]="not the trunk branch"
     74 EXP[7]="git checkout -b prepare-push svn/bleeding_edge"
     75 OUT[7]=""
     76 EXP[8]="git log -1 --format=%H ChangeLog"
     77 OUT[8]="hash1"
     78 EXP[9]="git log -1 hash1"
     79 OUT[9]=""
     80 EXP[10]="git log hash1..HEAD --format=%H"
     81 OUT[10]="hash2"
     82 EXP[11]="git log -1 hash2 --format=\"%w(80,8,8)%s\""
     83 OUT[11]="Log line..."
     84 EXP[12]="git log -1 hash2 --format=\"%B\""
     85 OUT[12]="BUG=6789"
     86 EXP[13]="git log -1 hash2 --format=\"%w(80,8,8)(%an)\""
     87 OUT[13]="   (author (at] chromium.org)"
     88 EXP[14]="git commit -a -m \"Prepare push to trunk.  Now working on version 3.4.5.\""
     89 OUT[14]=""
     90 EXP[15]="git cl upload -r reviewer (at] chromium.org --send-mail"
     91 OUT[15]=""
     92 EXP[16]="git cl dcommit"
     93 OUT[16]=""
     94 EXP[17]="git svn fetch"
     95 OUT[17]=""
     96 EXP[18]="git checkout svn/bleeding_edge"
     97 OUT[18]=""
     98 EXP[19]="git log -1 --format=%H --grep=Prepare push to trunk.  Now working on version 3.4.5."
     99 OUT[19]="hash3"
    100 EXP[20]="git diff svn/trunk"
    101 OUT[20]="patch1"
    102 EXP[21]="git checkout -b trunk-push svn/trunk"
    103 OUT[21]=""
    104 EXP[22]="git apply --index --reject /tmp/v8-push-to-trunk-tempfile-patch"
    105 OUT[22]=""
    106 EXP[23]="git add src/version.cc"
    107 OUT[23]=""
    108 EXP[24]="git commit -F /tmp/v8-push-to-trunk-tempfile-commitmsg"
    109 OUT[24]=""
    110 EXP[25]="git svn dcommit"
    111 OUT[25]="r1234"
    112 EXP[26]="git svn tag 3.4.5 -m \"Tagging version 3.4.5\""
    113 OUT[26]=""
    114 EXP[27]="git status -s -uno"
    115 OUT[27]=""
    116 EXP[28]="git checkout master"
    117 OUT[28]=""
    118 EXP[29]="git pull"
    119 OUT[29]=""
    120 EXP[30]="git checkout -b v8-roll-12345"
    121 OUT[30]=""
    122 EXP[31]="git commit -am Update V8 to version 3.4.5."
    123 OUT[31]=""
    124 EXP[32]="git cl upload --send-mail"
    125 OUT[32]=""
    126 EXP[33]="git checkout -f some_branch"
    127 OUT[33]=""
    128 EXP[34]="git branch -D prepare-push-temporary-branch-created-by-script"
    129 OUT[34]=""
    130 EXP[35]="git branch -D prepare-push"
    131 OUT[35]=""
    132 EXP[36]="git branch -D trunk-push"
    133 OUT[36]=""
    134 
    135 ########## Global temp files for test input/output
    136 
    137 export TEST_OUTPUT=$(mktemp)
    138 export INDEX=$(mktemp)
    139 export MOCK_OUTPUT=$(mktemp)
    140 export EXPECTED_COMMANDS=$(mktemp)
    141 
    142 ########## Command index
    143 
    144 inc_index() {
    145   local I="$(command cat $INDEX)"
    146   let "I+=1"
    147   echo "$I" > $INDEX
    148   echo $I
    149 }
    150 
    151 echo "-1" > $INDEX
    152 export -f inc_index
    153 
    154 ########## Mock output accessor
    155 
    156 get_mock_output() {
    157   local I=$1
    158   let "I+=1"
    159   command sed "${I}q;d" $MOCK_OUTPUT
    160 }
    161 
    162 export -f get_mock_output
    163 
    164 for E in "${OUT[@]}"; do
    165   echo $E
    166 done > $MOCK_OUTPUT
    167 
    168 ########## Expected commands accessor
    169 
    170 get_expected_command() {
    171   local I=$1
    172   let "I+=1"
    173   command sed "${I}q;d" $EXPECTED_COMMANDS
    174 }
    175 
    176 export -f get_expected_command
    177 
    178 for E in "${EXP[@]}"; do
    179   echo $E
    180 done > $EXPECTED_COMMANDS
    181 
    182 ########## Mock commands
    183 
    184 git() {
    185   # All calls to git are mocked out. Expected calls and mock output are stored
    186   # in the EXP/OUT arrays above.
    187   local I=$(inc_index)
    188   local OUT=$(get_mock_output $I)
    189   local EXP=$(get_expected_command $I)
    190   echo "#############################" >> $TEST_OUTPUT
    191   echo "Com. Index:  $I" >> $TEST_OUTPUT
    192   echo "Expected:    ${EXP}" >> $TEST_OUTPUT
    193   echo "Actual:      git $@" >> $TEST_OUTPUT
    194   echo "Mock Output: ${OUT}" >> $TEST_OUTPUT
    195   echo "${OUT}"
    196 }
    197 
    198 mv() {
    199   echo "#############################" >> $TEST_OUTPUT
    200   echo "mv $@" >> $TEST_OUTPUT
    201 }
    202 
    203 sed() {
    204   # Only calls to sed * -i * are mocked out.
    205   echo "#############################" >> $TEST_OUTPUT
    206   local arr=$@
    207   if [[ "${arr[@]}" =~ "-i" || "${arr[${#arr[@]}-1]}" == "-i" ]]; then
    208     echo "sed $@" >> $TEST_OUTPUT
    209   else
    210     echo "sed $@" >> $TEST_OUTPUT
    211     command sed "$@"
    212   fi
    213 }
    214 
    215 editor() {
    216   echo "#############################" >> $TEST_OUTPUT
    217   echo "editor $@" >> $TEST_OUTPUT
    218 }
    219 
    220 cd() {
    221   echo "#############################" >> $TEST_OUTPUT
    222   echo "cd $@" >> $TEST_OUTPUT
    223 }
    224 
    225 export -f git
    226 export -f mv
    227 export -f sed
    228 export -f cd
    229 export -f editor
    230 export EDITOR=editor
    231 
    232 ########## Invoke script with test stdin
    233 
    234 for i in "${INPUT[@]}"; do 
    235     echo $i
    236 done | tools/push-to-trunk.sh -c "path/to/chromium"
    237 
    238 echo "Collected output:"
    239 command cat $TEST_OUTPUT
    240 
    241 ########## Clean up
    242 
    243 rm -rf $TEST_OUTPUT
    244 rm -rf $INDEX
    245 rm -rf $MOCK_OUTPUT
    246 rm -rf $EXPECTED_COMMANDS
    247