diff tests/test-backout.t @ 11856:db969ebdebd9

tests: unify test-backout
author Martin Geisler <mg@lazybytes.net>
date Sat, 14 Aug 2010 02:28:53 +0200
parents tests/test-backout@6c82beaaa11a
children 4134686b83e1
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/test-backout.t	Sat Aug 14 02:28:53 2010 +0200
@@ -0,0 +1,255 @@
+  $ HGMERGE=true; export HGMERGE
+
+  $ hg init basic
+  $ cd basic
+
+# should complain
+
+  $ hg backout
+  abort: please specify a revision to backout
+  $ hg backout -r 0 0
+  abort: please specify just one revision
+
+# basic operation
+
+  $ echo a > a
+  $ hg commit -d '0 0' -A -m a
+  adding a
+  $ echo b >> a
+  $ hg commit -d '1 0' -m b
+
+  $ hg backout -d '2 0' tip
+  reverting a
+  changeset 2:2929462c3dff backs out changeset 1:a820f4f40a57
+  $ cat a
+  a
+
+# file that was removed is recreated
+
+  $ cd ..
+  $ hg init remove
+  $ cd remove
+
+  $ echo content > a
+  $ hg commit -d '0 0' -A -m a
+  adding a
+
+  $ hg rm a
+  $ hg commit -d '1 0' -m b
+
+  $ hg backout -d '2 0' --merge tip
+  adding a
+  changeset 2:de31bdc76c0d backs out changeset 1:76862dcce372
+  $ cat a
+  content
+
+# backout of backout is as if nothing happened
+
+  $ hg backout -d '3 0' --merge tip
+  removing a
+  changeset 3:7f6d0f120113 backs out changeset 2:de31bdc76c0d
+  $ cat a 2>/dev/null || echo cat: a: No such file or directory
+  cat: a: No such file or directory
+
+# across branch
+
+  $ cd ..
+  $ hg init branch
+  $ cd branch
+  $ echo a > a
+  $ hg ci -Am0
+  adding a
+  $ echo b > b
+  $ hg ci -Am1
+  adding b
+  $ hg co -C 0
+  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
+
+should fail
+
+  $ hg backout 1
+  abort: cannot backout change on a different branch
+  $ echo c > c
+  $ hg ci -Am2
+  adding c
+  created new head
+
+should fail
+
+  $ hg backout 1
+  abort: cannot backout change on a different branch
+
+# backout with merge
+
+  $ cd ..
+  $ hg init merge
+  $ cd merge
+
+  $ echo line 1 > a
+  $ echo line 2 >> a
+  $ hg commit -d '0 0' -A -m a
+  adding a
+
+remove line 1
+
+  $ echo line 2 > a
+  $ hg commit -d '1 0' -m b
+
+  $ echo line 3 >> a
+  $ hg commit -d '2 0' -m c
+
+  $ hg backout --merge -d '3 0' 1
+  reverting a
+  created new head
+  changeset 3:26b8ccb9ad91 backs out changeset 1:5a50a024c182
+  merging with changeset 3:26b8ccb9ad91
+  merging a
+  0 files updated, 1 files merged, 0 files removed, 0 files unresolved
+  (branch merge, don't forget to commit)
+  $ hg commit -d '4 0' -m d
+
+check line 1 is back
+
+  $ cat a
+  line 1
+  line 2
+  line 3
+
+# backout should not back out subsequent changesets
+
+  $ hg init onecs
+  $ cd onecs
+  $ echo 1 > a
+  $ hg commit -d '0 0' -A -m a
+  adding a
+  $ echo 2 >> a
+  $ hg commit -d '1 0' -m b
+  $ echo 1 > b
+  $ hg commit -d '2 0' -A -m c
+  adding b
+  $ hg backout -d '3 0' 1
+  reverting a
+  created new head
+  changeset 3:3202beb76721 backs out changeset 1:22bca4c721e5
+  the backout changeset is a new head - do not forget to merge
+  (use "backout --merge" if you want to auto-merge)
+  $ hg locate b
+  b
+  $ hg update -C tip
+  1 files updated, 0 files merged, 1 files removed, 0 files unresolved
+  $ hg locate b
+
+  $ cd ..
+  $ hg init m
+  $ cd m
+  $ echo a > a
+  $ hg commit -d '0 0' -A -m a
+  adding a
+  $ echo b > b
+  $ hg commit -d '1 0' -A -m b
+  adding b
+  $ echo c > c
+  $ hg commit -d '2 0' -A -m b
+  adding c
+  $ hg update 1
+  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
+  $ echo d > d
+  $ hg commit -d '3 0' -A -m c
+  adding d
+  created new head
+  $ hg merge 2
+  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  (branch merge, don't forget to commit)
+  $ hg commit -d '4 0' -A -m d
+
+# backout of merge should fail
+
+  $ hg backout 4
+  abort: cannot backout a merge changeset without --parent
+
+# backout of merge with bad parent should fail
+
+  $ hg backout --parent 0 4
+  abort: cb9a9f314b8b is not a parent of b2f3bb92043e
+
+# backout of non-merge with parent should fail
+
+  $ hg backout --parent 0 3
+  abort: cannot use --parent on non-merge changeset
+
+# backout with valid parent should be ok
+
+  $ hg backout -d '5 0' --parent 2 4
+  removing d
+  changeset 5:10e5328c8435 backs out changeset 4:b2f3bb92043e
+
+  $ hg rollback
+  rolling back to revision 4 (undo commit)
+  $ hg update -C
+  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
+
+  $ hg backout -d '6 0' --parent 3 4
+  removing c
+  changeset 5:033590168430 backs out changeset 4:b2f3bb92043e
+
+  $ cd ..
+
+# named branches
+
+  $ hg init named_branches
+  $ cd named_branches
+
+  $ echo default > default
+  $ hg ci -d '0 0' -Am default
+  adding default
+  $ hg branch branch1
+  marked working directory as branch branch1
+  $ echo branch1 > file1
+  $ hg ci -d '1 0' -Am file1
+  adding file1
+  $ hg branch branch2
+  marked working directory as branch branch2
+  $ echo branch2 > file2
+  $ hg ci -d '2 0' -Am file2
+  adding file2
+  $ hg backout -d '3 0' -r 1 -m 'backout on branch1'
+  removing file1
+  created new head
+  changeset 3:d4e8f6db59fb backs out changeset 1:bf1602f437f3
+  the backout changeset is a new head - do not forget to merge
+  (use "backout --merge" if you want to auto-merge)
+
+XXX maybe backout shouldn't suggest a merge here as it is a different branch?
+
+on branch2 with branch1 not merged, so file1 should still exist:
+
+  $ hg id
+  45bbcd363bf0 (branch2)
+  $ hg st -A
+  C default
+  C file1
+  C file2
+
+on branch2 with branch1 merged, so file1 should be gone:
+
+  $ hg merge
+  0 files updated, 0 files merged, 1 files removed, 0 files unresolved
+  (branch merge, don't forget to commit)
+  $ hg ci -d '4 0' -m 'merge backout of branch1'
+  $ hg id
+  22149cdde76d (branch2) tip
+  $ hg st -A
+  C default
+  C file2
+
+on branch1, so no file1 and file2:
+
+  $ hg co -C branch1
+  1 files updated, 0 files merged, 1 files removed, 0 files unresolved
+  $ hg id
+  bf1602f437f3 (branch1)
+  $ hg st -A
+  C default
+  C file1
+
+  $ exit 0