tests/test-push-checkheads-superceed-A3.t
author Gregory Szorc <gregory.szorc@gmail.com>
Mon, 08 Oct 2018 18:17:12 -0700
changeset 40176 41263df08109
parent 39480 89630d0b3e23
child 42893 34a46d48d24e
permissions -rw-r--r--
wireprotov2: change how revisions are specified to changesetdata Right now, we have a handful of arguments for specifying the revisions whose data should be returned. Defining how all these arguments interact when various combinations are present is difficult. This commit establishes a new, generic mechanism for specifying revisions. Instead of a hodgepodge of arguments defining things, we have a list of dicts that specify revision selectors. The final set of revisions is a union of all these selectors. We implement support for specifying revisions based on: * An explicit list of changeset revisions * An explicit list of changeset revisions plus ancestry depth * A DAG range between changeset roots and heads If you squint hard enough, this problem has already been solved by revsets. But I'm reluctant to expose revsets to the wire protocol because that would require servers to implement a revset parser. Plus there are security and performance implications: the set of revision selectors needs to be narrowly and specifically tailored for what is appropriate to be executing on a server. Perhaps there would be a way for us to express the "parse tree" of a revset query, for example. I'm not sure. We can explore this space another time. For now, the new mechanism should bring sufficient flexibility while remaining relatively simple. The selector "types" are prefixed with "changeset" because I plan to add manifest and file-flavored selectors as well. This will enable us to e.g. select file revisions based on a range of changeset revisions. Differential Revision: https://phab.mercurial-scm.org/D4979
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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====================================
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Testing head checking code: Case A-3
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====================================
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Mercurial checks for the introduction of new heads on push. Evolution comes
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into play to detect if existing branches on the server are being replaced by
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some of the new one we push.
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This case is part of a series of tests checking this behavior.
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Category A: simple case involving a branch being superceeded by another.
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TestCase 3: multi-changeset branch with reordering
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Push should be allowed
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.. old-state:
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..
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.. * 2 changeset branch
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..
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.. new-state:
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..
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.. * 2 changeset branch succeeding the old one with reordering
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..
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.. expected-result:
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..
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.. * push allowed
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..
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.. graph-summary:
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..
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..   B ø⇠⇠
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..     | 
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..   A ø⇠⇠⇠○ A'
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..     | ⇡/
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..     | ○ B'
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..     |/
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..     
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  $ . $TESTDIR/testlib/push-checkheads-util.sh
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Test setup
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----------
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  $ mkdir A3
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  $ cd A3
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  $ setuprepos
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  creating basic server and client repo
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  updating to branch default
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  2 files updated, 0 files merged, 0 files removed, 0 files unresolved
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  $ cd server
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  $ mkcommit B0
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  $ cd ../client
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  $ hg pull
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  pulling from $TESTTMP/A3/server
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  searching for changes
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  adding changesets
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  adding manifests
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  adding file changes
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  added 1 changesets with 1 changes to 1 files
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  new changesets d73caddc5533 (1 drafts)
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  (run 'hg update' to get a working copy)
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  $ hg up 0
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  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
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  $ mkcommit B1
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  created new head
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  $ mkcommit A1
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  $ hg debugobsolete `getid "desc(A0)" ` `getid "desc(A1)"`
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  obsoleted 1 changesets
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  1 new orphan changesets
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  $ hg debugobsolete `getid "desc(B0)" ` `getid "desc(B1)"`
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  obsoleted 1 changesets
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  $ hg log -G --hidden
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  @  c1c7524e9488 (draft): A1
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  |
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  o  25c56d33e4c4 (draft): B1
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  |
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  | x  d73caddc5533 (draft): B0
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  | |
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  | x  8aaa48160adc (draft): A0
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  |/
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  o  1e4be0697311 (public): root
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Actual testing
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--------------
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  $ hg push
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  pushing to $TESTTMP/A3/server
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  searching for changes
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  adding changesets
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  adding manifests
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  adding file changes
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  added 2 changesets with 2 changes to 2 files (+1 heads)
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  2 new obsolescence markers
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  obsoleted 2 changesets
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  $ cd ../..