upstream/mercurial-mirror Files · tests/test-exchange-obsmarkers-case-C4.t

show: use consistent (and possibly shorter) node lengths...

show: use consistent (and possibly shorter) node lengths `hg show` makes heavy use of shortest() to limit the length of the node hash. For the "stack" and "work" views, you are often looking at multiple lines of similar output for "lines" of work. It is visually appeasing for things to vertically align. A naive use of {shortest(node, N)} could result in variable length nodes and for the first character of the description to vary by a column or two. We implement a function to determine the longest shortest prefix for a set of revisions. The new function is used to determine the printed node length for all `hg show` views. .. feature:: show: use consistent node length in views Our previous shortest node length of 5 was arbitrarily chosen. shortest() already does the work of ensuring that a partial node isn't ambiguous with an integer revision, which is our primary risk of a collision for very short nodes. It should be safe to go with the shortest node possible. Existing code is also optimized to handle nodes as short as 4. So, we decrease the minimum hash length from 5 to 4. We also add a test demonstrating that prefix collisions increase the node length. .. feature:: show: decrease minimum displayed hash length from 5 to 4 Differential Revision: https://phab.mercurial-scm.org/D558

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      ============================================

      Testing obsolescence markers push: Cases C.4

      ============================================

      Mercurial pushes obsolescences markers relevant to the "pushed-set", the set of

      all changesets that requested to be "in sync" after the push (even if they are

      already on both side).

      This test belongs to a series of tests checking such set is properly computed

      and applied. This does not tests "obsmarkers" discovery capabilities.

      Category C: advanced case

      TestCase 4: multiple successors, one is pruned

      C.4 multiple successors, one is pruned

      ======================================

      .. (A similarish situation can appends with split markers see the Z section)

      ..

      .. {{{

      ..        A

      ..    B ○⇢ø⇠⊗ C

      ..       \|/

      ..        ● O

      .. }}}

      ..

      .. Marker exist from:

      ..

      ..  * `A ø⇠○ B`

      ..  * `A ø⇠○ C`

      ..  * C (prune)

      ..

      .. Command run:

      ..

      ..  * hg push -r O

      ..

      .. Expected exchange:

      ..

      ..  * `A ø⇠○ C`

      ..  * C (prune)

      ..

      .. Expected exclude:

      ..

      ..  * `A ø⇠○ B`

      Setup

      -----

        $ . $TESTDIR/testlib/exchange-obsmarker-util.sh

      Implemented as the non-split version

        $ setuprepos C.4

        creating test repo for test case C.4

        - pulldest

        - main

        - pushdest

        cd into `main` and proceed with env setup

        $ cd main

        $ mkcommit A

        $ hg update -q 0

        $ mkcommit B

        created new head

        $ hg update -q 0

        $ mkcommit C

        created new head

        $ hg debugobsolete --hidden `getid 'desc(A)'` `getid 'desc(B)'`

        obsoleted 1 changesets

        $ hg debugobsolete --hidden `getid 'desc(A)'` `getid 'desc(C)'`

        $ hg prune -qd '0 0' .

        $ hg log -G --hidden

        x  7f7f229b13a6 (draft): C

        |

        | o  35b183996678 (draft): B

        |/

        | x  f5bc6836db60 (draft): A

        |/

        @  a9bdc8b26820 (public): O

        $ inspect_obsmarkers

        obsstore content

        ================

        f5bc6836db60e308a17ba08bf050154ba9c4fad7 35b1839966785d5703a01607229eea932db42f87 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}

        f5bc6836db60e308a17ba08bf050154ba9c4fad7 7f7f229b13a629a5b20581c6cb723f4e2ca54bed 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}

        7f7f229b13a629a5b20581c6cb723f4e2ca54bed 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}

        $ cd ..

        $ cd ..

      Actual Test

      -----------

        $ dotest C.4 O

        ## Running testcase C.4

        # testing echange of "O" (a9bdc8b26820)

        ## initial state

        # obstore: main

        7f7f229b13a629a5b20581c6cb723f4e2ca54bed 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}

        f5bc6836db60e308a17ba08bf050154ba9c4fad7 35b1839966785d5703a01607229eea932db42f87 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}

        f5bc6836db60e308a17ba08bf050154ba9c4fad7 7f7f229b13a629a5b20581c6cb723f4e2ca54bed 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}

        # obstore: pushdest

        # obstore: pulldest

        ## pushing "O" from main to pushdest

        pushing to pushdest

        searching for changes

        no changes found

        remote: 2 new obsolescence markers

        ## post push state

        # obstore: main

        7f7f229b13a629a5b20581c6cb723f4e2ca54bed 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}

        f5bc6836db60e308a17ba08bf050154ba9c4fad7 35b1839966785d5703a01607229eea932db42f87 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}

        f5bc6836db60e308a17ba08bf050154ba9c4fad7 7f7f229b13a629a5b20581c6cb723f4e2ca54bed 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}

        # obstore: pushdest

        7f7f229b13a629a5b20581c6cb723f4e2ca54bed 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}

        f5bc6836db60e308a17ba08bf050154ba9c4fad7 7f7f229b13a629a5b20581c6cb723f4e2ca54bed 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}

        # obstore: pulldest

        ## pulling "a9bdc8b26820" from main into pulldest

        pulling from main

        no changes found

        2 new obsolescence markers

        ## post pull state

        # obstore: main

        7f7f229b13a629a5b20581c6cb723f4e2ca54bed 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}

        f5bc6836db60e308a17ba08bf050154ba9c4fad7 35b1839966785d5703a01607229eea932db42f87 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}

        f5bc6836db60e308a17ba08bf050154ba9c4fad7 7f7f229b13a629a5b20581c6cb723f4e2ca54bed 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}

        # obstore: pushdest

        7f7f229b13a629a5b20581c6cb723f4e2ca54bed 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}

        f5bc6836db60e308a17ba08bf050154ba9c4fad7 7f7f229b13a629a5b20581c6cb723f4e2ca54bed 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}

        # obstore: pulldest

        7f7f229b13a629a5b20581c6cb723f4e2ca54bed 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}

        f5bc6836db60e308a17ba08bf050154ba9c4fad7 7f7f229b13a629a5b20581c6cb723f4e2ca54bed 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}

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				============================================
				Testing obsolescence markers push: Cases C.4
				============================================

				Mercurial pushes obsolescences markers relevant to the "pushed-set", the set of
				all changesets that requested to be "in sync" after the push (even if they are
				already on both side).

				This test belongs to a series of tests checking such set is properly computed
				and applied. This does not tests "obsmarkers" discovery capabilities.

				Category C: advanced case
				TestCase 4: multiple successors, one is pruned

				C.4 multiple successors, one is pruned
				======================================

				.. (A similarish situation can appends with split markers see the Z section)
				..
				.. {{{
				.. A
				.. B ○⇢ø⇠⊗ C
				.. \\|/
				.. ● O
				.. }}}
				..
				.. Marker exist from:
				..
				.. * `A ø⇠○ B`
				.. * `A ø⇠○ C`
				.. * C (prune)
				..
				.. Command run:
				..
				.. * hg push -r O
				..
				.. Expected exchange:
				..
				.. * `A ø⇠○ C`
				.. * C (prune)
				..
				.. Expected exclude:
				..
				.. * `A ø⇠○ B`

				Setup
				-----

				$ . $TESTDIR/testlib/exchange-obsmarker-util.sh

				Implemented as the non-split version

				$ setuprepos C.4
				creating test repo for test case C.4
				- pulldest
				- main
				- pushdest
				cd into `main` and proceed with env setup
				$ cd main
				$ mkcommit A
				$ hg update -q 0
				$ mkcommit B
				created new head
				$ hg update -q 0
				$ mkcommit C
				created new head
				$ hg debugobsolete --hidden `getid 'desc(A)'` `getid 'desc(B)'`
				obsoleted 1 changesets
				$ hg debugobsolete --hidden `getid 'desc(A)'` `getid 'desc(C)'`
				$ hg prune -qd '0 0' .
				$ hg log -G --hidden
				x 7f7f229b13a6 (draft): C
				\|
				\| o 35b183996678 (draft): B
				\|/
				\| x f5bc6836db60 (draft): A
				\|/
				@ a9bdc8b26820 (public): O

				$ inspect_obsmarkers
				obsstore content
				================
				f5bc6836db60e308a17ba08bf050154ba9c4fad7 35b1839966785d5703a01607229eea932db42f87 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
				f5bc6836db60e308a17ba08bf050154ba9c4fad7 7f7f229b13a629a5b20581c6cb723f4e2ca54bed 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
				7f7f229b13a629a5b20581c6cb723f4e2ca54bed 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
				$ cd ..
				$ cd ..

				Actual Test
				-----------

				$ dotest C.4 O
				## Running testcase C.4
				# testing echange of "O" (a9bdc8b26820)
				## initial state
				# obstore: main
				7f7f229b13a629a5b20581c6cb723f4e2ca54bed 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
				f5bc6836db60e308a17ba08bf050154ba9c4fad7 35b1839966785d5703a01607229eea932db42f87 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
				f5bc6836db60e308a17ba08bf050154ba9c4fad7 7f7f229b13a629a5b20581c6cb723f4e2ca54bed 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
				# obstore: pushdest
				# obstore: pulldest
				## pushing "O" from main to pushdest
				pushing to pushdest
				searching for changes
				no changes found
				remote: 2 new obsolescence markers
				## post push state
				# obstore: main
				7f7f229b13a629a5b20581c6cb723f4e2ca54bed 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
				f5bc6836db60e308a17ba08bf050154ba9c4fad7 35b1839966785d5703a01607229eea932db42f87 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
				f5bc6836db60e308a17ba08bf050154ba9c4fad7 7f7f229b13a629a5b20581c6cb723f4e2ca54bed 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
				# obstore: pushdest
				7f7f229b13a629a5b20581c6cb723f4e2ca54bed 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
				f5bc6836db60e308a17ba08bf050154ba9c4fad7 7f7f229b13a629a5b20581c6cb723f4e2ca54bed 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
				# obstore: pulldest
				## pulling "a9bdc8b26820" from main into pulldest
				pulling from main
				no changes found
				2 new obsolescence markers
				## post pull state
				# obstore: main
				7f7f229b13a629a5b20581c6cb723f4e2ca54bed 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
				f5bc6836db60e308a17ba08bf050154ba9c4fad7 35b1839966785d5703a01607229eea932db42f87 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
				f5bc6836db60e308a17ba08bf050154ba9c4fad7 7f7f229b13a629a5b20581c6cb723f4e2ca54bed 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
				# obstore: pushdest
				7f7f229b13a629a5b20581c6cb723f4e2ca54bed 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
				f5bc6836db60e308a17ba08bf050154ba9c4fad7 7f7f229b13a629a5b20581c6cb723f4e2ca54bed 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
				# obstore: pulldest
				7f7f229b13a629a5b20581c6cb723f4e2ca54bed 0 {a9bdc8b26820b1b87d585b82eb0ceb4a2ecdbc04} (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
				f5bc6836db60e308a17ba08bf050154ba9c4fad7 7f7f229b13a629a5b20581c6cb723f4e2ca54bed 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}