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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 file 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 file's content works
GIVEN a directory exists named 'A'
AND the directory 'A' contains a file named 'foo.txt' with '1' in it
AND a directory exists named 'B'
AND the directory 'B' contains a file named 'foo.txt' with '2' in it
WHEN tbdiff-create creates a binary delta named 'AB.tbdiff' from 'A' to 'B'
AND tbdiff-deploy applies the delta 'AB.tbdiff' to 'A'
THEN the files 'A/foo.txt' and 'B/foo.txt' have the same contents
Changing of file ownership
--------------------------
Trebuchet also takes into account POSIX metadata such as ownership, this
scenario is written to test that functionality.
SCENARIO Changing a file's group ownership works
GIVEN a directory exists named 'C'
AND the directory 'C' contains a file named 'bar'
AND a directory exists named 'D'
AND the directory 'D' contains a file named 'bar'
AND the file 'D/bar' is owned by the group '893'
WHEN tbdiff-create creates a binary delta named 'CD.tbdiff' from 'C' to 'D'
AND tbdiff-deploy applies the delta 'CD.tbdiff' to 'C'
THEN the file 'C/bar' is owned by the group '893'
Changing of file permissions
----------------------------
This scenario tests 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 'E'
AND the directory 'E' contains a file named 'baz'
AND a directory exists named 'F'
AND the directory 'F' contains a file named 'baz'
AND the file 'F/baz' has the permissions 'ugo=rw'
WHEN tbdiff-create creates a binary delta named 'EF.tbdiff' from 'E' to 'F'
AND tbdiff-deploy applies the delta 'EF.tbdiff' to 'E'
THEN the file 'E/baz' has the permissions '-rw-rw-rw-'
Adding and removing of a file
-----------------------------
The following scenario checks that the deploying of a binary delta
successfully removes and creates the appropriate files.
SCENARIO Adding and removing of files works
GIVEN a directory exists named 'G'
AND the directory 'G' contains a file named 'minus'
AND a directory exists named 'H'
AND the directory 'H' contains a file named 'plus'
WHEN tbdiff-create creates a binary delta named 'GH.tbdiff' from 'G' to 'H'
AND tbdiff-deploy applies the delta 'GH.tbdiff' to 'G'
THEN the file 'G/minus' no longer exists
AND the directory 'G' contains a file named 'plus'
Changing modification time of a file
------------------------------------
Here we check that modification times are correctly changed, if modification
times are no identical, the test fails.
SCENARIO Changing a file's modification time works
GIVEN a directory exists named 'I'
AND the directory 'I' contains a file named 'hurr' with '1' in it
AND a directory exists named 'J'
AND the directory 'J' contains a file named 'hurr' with '1' in it
AND the file 'J/hurr' has it's modification time set to '06:39'
WHEN tbdiff-create creates a binary delta named 'IJ.tbdiff' from 'I' to 'J'
AND tbdiff-deploy applies the delta 'IJ.tbdiff' to 'I'
THEN the files 'I/hurr' and 'J/hurr' have the same modification time
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 file named '([^']+)' with '([^']+)' in it
echo "$MATCH_3" > "$DATADIR/$MATCH_1/$MATCH_2"
IMPLEMENTS GIVEN the directory '([^']+)' contains a 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 file '([^']+)' has the permissions '([^']+)'
chmod "$MATCH_2" "$DATADIR/$MATCH_1"
IMPLEMENTS GIVEN the file '([^']+)' has it's modification time set to '([^']+)'
touch -md "$MATCH_2" "$DATADIR/$MATCH_1"
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")"
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