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Trebuchet tests for the creating and deploying of binary deltas
===============================================================
The following scenarios test tbdiff-deploy's ability to correctly transform
the content of a target directory, to that of a source directory, given an
appropriate binary delta created by tbdiff-create.
Changing of a file's content
----------------------------
This simple test checks that file content is as expected, if the content of
the two text files are different, the test will fail.
SCENARIO Changing a regular file's content works
GIVEN a directory exists named 'A_dir'
AND the directory 'A_dir' contains a regular file named 'foo_file' with '1' in it
AND a directory exists named 'B_dir'
AND the directory 'B_dir' contains a regular file named 'foo_file' with '2' in it
WHEN tbdiff-create creates a binary delta named 'AB.tbdiff' from 'A_dir' to 'B_dir'
AND tbdiff-deploy applies the delta 'AB.tbdiff' to 'A_dir'
THEN the files 'A_dir/foo_file' and 'B_dir/foo_file' have the same contents
Changing of a file's ownership
------------------------------
Trebuchet also takes into account POSIX metadata such as ownership, these
scenarios are written to test that functionality.
SCENARIO Changing a regular file's group ownership works
GIVEN a directory exists named 'C_dir'
AND the directory 'C_dir' contains a regular file named 'foo_file'
AND a directory exists named 'D_dir'
AND the directory 'D_dir' contains a regular file named 'foo_file'
AND the file 'D_dir/foo_file' is owned by the group '893'
WHEN tbdiff-create creates a binary delta named 'CD.tbdiff' from 'C_dir' to 'D_dir'
AND tbdiff-deploy applies the delta 'CD.tbdiff' to 'C_dir'
THEN the file 'C_dir/foo_file' is owned by the group '893'
SCENARIO Changing a named pipe's group ownership works
GIVEN a directory exists named 'E_dir'
AND the directory 'E_dir' contains the named pipe 'bar_pipe'
AND a directory exists named 'F_dir'
AND the directory 'F_dir' contains the named pipe 'bar_pipe'
AND the file 'F_dir/bar_pipe' is owned by the group '594'
WHEN tbdiff-create creates a binary delta named 'EF.tbdiff' from 'E_dir' to 'F_dir'
AND tbdiff-deploy applies the delta 'EF.tbdiff' to 'E_dir'
THEN the file 'E_dir/bar_pipe' is owned by the group '594'
SCENARIO Changing a symbolic link's group ownership works
GIVEN a directory exists named 'G_dir'
AND the directory 'G_dir' contains a regular file named 'foo_file'
AND the directory 'G_dir' contains the symbolic link 'link_to_foo_file' referring to 'G_dir/foo_file'
AND a directory exists named 'H_dir'
AND the directory 'H_dir' contains a regular file named 'foo_file'
AND the directory 'H_dir' contains the symbolic link 'link_to_foo_file' referring to 'H_dir/foo_file'
AND the symbolic link 'H_dir/link_to_foo_file' is owned by the group '608'
WHEN tbdiff-create creates a binary delta named 'GH.tbdiff' from 'G_dir' to 'H_dir'
AND tbdiff-deploy applies the delta 'GH.tbdiff' to 'G_dir'
THEN the file 'G_dir/link_to_foo_file' is owned by the group '608'
Changing of a file's permissions
--------------------------------
These scenarios test that file permissions are successfully changed after
the deployment of a binary delta.
SCENARIO Changing a file's permissions works
GIVEN a directory exists named 'I_dir'
AND the directory 'I_dir' contains a regular file named 'foo_file'
AND a directory exists named 'J_dir'
AND the directory 'J_dir' contains a regular file named 'foo_file'
AND the file 'J_dir/foo_file' has the permissions 'ugo=rw'
WHEN tbdiff-create creates a binary delta named 'IJ.tbdiff' from 'I_dir' to 'J_dir'
AND tbdiff-deploy applies the delta 'IJ.tbdiff' to 'I_dir'
THEN the file 'I_dir/foo_file' has the permissions '-rw-rw-rw-'
SCENARIO Changing a named pipe's permissions works
GIVEN a directory exists named 'K_dir'
AND the directory 'K_dir' contains the named pipe 'bar_pipe'
AND a directory exists named 'L_dir'
AND the directory 'L_dir' contains the named pipe 'bar_pipe'
AND the file 'L_dir/bar_pipe' has the permissions 'ug=rw,o=r'
WHEN tbdiff-create creates a binary delta named 'KL.tbdiff' from 'K_dir' to 'L_dir'
AND tbdiff-deploy applies the delta 'KL.tbdiff' to 'K_dir'
THEN the file 'K_dir/bar_pipe' has the permissions 'prw-rw-r--'
Adding and removing of files
----------------------------
The following scenarios check that the deploying of a binary delta
successfully removes and creates the appropriate files.
SCENARIO Adding and removing of regular files works
GIVEN a directory exists named 'M_dir'
AND the directory 'M_dir' contains a regular file named 'minus_file'
AND a directory exists named 'N_dir'
AND the directory 'N_dir' contains a regular file named 'plus_file'
WHEN tbdiff-create creates a binary delta named 'MN.tbdiff' from 'M_dir' to 'N_dir'
AND tbdiff-deploy applies the delta 'MN.tbdiff' to 'M_dir'
THEN the file 'M_dir/minus_file' no longer exists
AND the directory 'M_dir' contains a file named 'plus_file'
SCENARIO Adding and removing of named pipes works
GIVEN a directory exists named 'O_dir'
AND the directory 'O_dir' contains the named pipe 'minus_pipe'
AND a directory exists named 'P_dir'
AND the directory 'P_dir' contains the named pipe 'plus_pipe'
WHEN tbdiff-create creates a binary delta named 'OP.tbdiff' from 'O_dir' to 'P_dir'
AND tbdiff-deploy applies the delta 'OP.tbdiff' to 'O_dir'
THEN the file 'O_dir/minus_pipe' no longer exists
AND the directory 'O_dir' contains the named pipe 'plus_pipe'
SCENARIO Adding and removing of symbolic links works
GIVEN a directory exists named 'Q_dir'
AND the directory 'Q_dir' contains a regular file named 'minus_file'
AND the directory 'Q_dir' contains the symbolic link 'link_to_minus_file' referring to 'Q_dir/minus_file'
AND a directory exists named 'R_dir'
AND the directory 'R_dir' contains a regular file named 'plus_file'
AND the directory 'R_dir' contains the symbolic link 'link_to_plus_file' referring to 'R_dir/plus_file'
WHEN tbdiff-create creates a binary delta named 'QR.tbdiff' from 'Q_dir' to 'R_dir'
AND tbdiff-deploy applies the delta 'QR.tbdiff' to 'Q_dir'
THEN the file 'Q_dir/link_to_minus_file' no longer exists
AND the directory 'Q_dir' contains the symbolic link 'link_to_plus_file'
Changing modification time of a file
------------------------------------
In the following scenarios we check that modification times are correctly
changed, if modification times are not identical, the test fails.
SCENARIO Changing a file's modification time works
GIVEN a directory exists named 'S_dir'
AND the directory 'S_dir' contains a regular file named 'foo_file' with '1' in it
AND the file 'S_dir/foo_file' has its modification time set to '@1381758015'
AND a directory exists named 'T_dir'
AND the directory 'T_dir' contains a regular file named 'foo_file' with '1' in it
AND the file 'T_dir/foo_file' has its modification time set to '@683074800'
WHEN tbdiff-create creates a binary delta named 'ST.tbdiff' from 'S_dir' to 'T_dir'
AND tbdiff-deploy applies the delta 'ST.tbdiff' to 'S_dir'
THEN the files 'S_dir/foo_file' and 'T_dir/foo_file' have the same modification time
SCENARIO Changing a named pipe's modification time works
GIVEN a directory exists named 'U_dir'
AND the directory 'U_dir' contains the named pipe 'bar_pipe'
AND the file 'U_dir/bar_pipe' has its modification time set to '@1381758015'
AND a directory exists named 'V_dir'
AND the directory 'V_dir' contains the named pipe 'bar_pipe'
AND the file 'V_dir/bar_pipe' has its modification time set to '@683074800'
WHEN tbdiff-create creates a binary delta named 'UV.tbdiff' from 'U_dir' to 'V_dir'
AND tbdiff-deploy applies the delta 'UV.tbdiff' to 'U_dir'
THEN the files 'U_dir/bar_pipe' and 'V_dir/bar_pipe' have the same modification time
SCENARIO Changing a symbolic links modification time works
GIVEN a directory exists named 'W_dir'
AND the directory 'W_dir' contains a regular file named 'foo_file'
AND the directory 'W_dir' contains the symbolic link 'link_to_foo_file' referring to 'W_dir/foo_file'
AND the symbolic link 'W_dir/link_to_foo_file' has its modification time set to '1381758015'
AND a directory exists named 'X_dir'
AND the directory 'X_dir' contains a regular file named 'foo_file'
AND the directory 'X_dir' contains the symbolic link 'link_to_foo_file' referring to 'X_dir/foo_file'
AND the symbolic link 'X_dir/link_to_foo_file' has its modification time set to '683074800'
WHEN tbdiff-create creates a binary delta named 'WX.tbdiff' from 'W_dir' to 'X_dir'
AND tbdiff-deploy applies the delta 'WX.tbdiff' to 'W_dir'
THEN the files 'W_dir/link_to_foo_file' and 'X_dir/link_to_foo_file' have the same modification time
Changing what a symbolic link refers to
---------------------------------------
This scenario checks that referenced files of symbolic links are correctly
transformed.
SCENARIO Changing what a symbolic link refers to works
GIVEN a directory exists named 'Y_dir'
AND the directory 'Y_dir' contains a regular file named 'foo_file'
AND the directory 'Y_dir' contains the symbolic link 'link_to_foo_file' referring to 'Y_dir/foo_file'
AND a directory exists named 'Z_dir'
AND the directory 'Z_dir' contains a regular file named 'foo_file'
AND the directory 'Z_dir' contains the symbolic link 'link_to_foo_file' referring to 'Z_dir/foo_file'
WHEN tbdiff-create creates a binary delta named 'YZ.tbdiff' from 'Y_dir' to 'Z_dir'
AND tbdiff-deploy applies the delta 'YZ.tbdiff' to 'Y_dir'
THEN the symbolic links 'Y_dir/link_to_foo_file' and 'Z_dir/link_to_foo_file' refer to the same thing
IMPLEMENTS
==========
Implementations for the creating and deploying of binary deltas
---------------------------------------------------------------
IMPLEMENTS GIVEN a directory exists named '([^']+)'
mkdir "$DATADIR/$MATCH_1"
IMPLEMENTS GIVEN the directory '([^']+)' contains a regular file named '([^']+)' with '([^']+)' in it
echo "$MATCH_3" > "$DATADIR/$MATCH_1/$MATCH_2"
IMPLEMENTS GIVEN the directory '([^']+)' contains a regular file named '([^']+)'
touch "$DATADIR/$MATCH_1/$MATCH_2"
IMPLEMENTS GIVEN the file '([^']+)' is owned by the group '([^']+)'
chgrp "$MATCH_2" "$DATADIR/$MATCH_1"
IMPLEMENTS GIVEN the symbolic link '([^']+)' is owned by the group '([^']+)'
chgrp -h "$MATCH_2" "$DATADIR/$MATCH_1"
IMPLEMENTS GIVEN the file '([^']+)' has the permissions '([^']+)'
chmod "$MATCH_2" "$DATADIR/$MATCH_1"
IMPLEMENTS GIVEN the file '([^']+)' has its modification time set to '([^']+)'
touch -d "$MATCH_2" "$DATADIR/$MATCH_1"
IMPLEMENTS GIVEN the symbolic link '([^']+)' has its modification time set to '([^']+)'
"$SRCDIR/symtime" "$DATADIR/$MATCH_1" "$MATCH_2"
IMPLEMENTS GIVEN the directory '([^']+)' contains the named pipe '([^']+)'
mkfifo "$DATADIR/$MATCH_1/$MATCH_2"
IMPLEMENTS GIVEN the directory '([^']+)' contains the symbolic link '([^']+)' referring to '([^']+)'
ln -s "$DATADIR/$MATCH_3" "$DATADIR/$MATCH_1/$MATCH_2"
IMPLEMENTS WHEN tbdiff-create creates a binary delta named '([^']+)' from '([^']+)' to '([^']+)'
"$SRCDIR/tbdiff-create/tbdiff-create" "$DATADIR/$MATCH_1" "$DATADIR/$MATCH_2" "$DATADIR/$MATCH_3"
IMPLEMENTS WHEN tbdiff-deploy applies the delta '([^']+)' to '([^']+)'
cd "$DATADIR/$MATCH_2"
"$SRCDIR/tbdiff-deploy/tbdiff-deploy" "$DATADIR/$MATCH_1"
IMPLEMENTS THEN the files '([^']+)' and '([^']+)' have the same contents
diff "$DATADIR/$MATCH_1" "$DATADIR/$MATCH_2"
IMPLEMENTS THEN the file '([^']+)' is owned by the group '([^']+)'
test "$(stat -c %g "$DATADIR/$MATCH_1")" = "$MATCH_2"
IMPLEMENTS THEN the file '([^']+)' has the permissions '([^']+)'
test "$(stat -c %A "$DATADIR/$MATCH_1")" = "$MATCH_2"
IMPLEMENTS THEN the file '([^']+)' no longer exists
test ! -e "$DATADIR/$MATCH_1"
IMPLEMENTS THEN the directory '([^']+)' contains a file named '([^']+)'
test -f "$DATADIR/$MATCH_1/$MATCH_2"
IMPLEMENTS THEN the files '([^']+)' and '([^']+)' have the same modification time
test "$(stat -c %y "$DATADIR/$MATCH_1")" = "$(stat -c %y "$DATADIR/$MATCH_2")"
IMPLEMENTS THEN the directory '([^']+)' contains the named pipe '([^']+)'
test -p "$DATADIR/$MATCH_1/$MATCH_2"
IMPLEMENTS THEN the directory '([^']+)' contains the symbolic link '([^']+)'
test -h "$DATADIR/$MATCH_1/$MATCH_2"
IMPLEMENTS THEN the symbolic links '([^']+)' and '([^']+)' refer to the same thing
test "$(readlink "$DATADIR/$MATCH_1")" = "$(readlink "$DATADIR/$MATCH_2")"
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