upstream/mercurial-mirror Files · tests/test-directaccess.t

wireprotov2: implement commands as a generator of objects...

wireprotov2: implement commands as a generator of objects Previously, wire protocol version 2 inherited version 1's model of having separate types to represent the results of different wire protocol commands. As I implemented more powerful commands in future commits, I found I was using a common pattern of returning a special type to hold a generator. This meant the command function required a closure to do most of the work. That made logic flow more difficult to follow. I also noticed that many commands were effectively a sequence of objects to be CBOR encoded. I think it makes sense to define version 2 commands as generators. This way, commands can simply emit the data structures they wish to send to the client. This eliminates the need for a closure in command functions and removes encoding from the bodies of commands. As part of this commit, the handling of response objects has been moved into the serverreactor class. This puts the reactor in the driver's seat with regards to CBOR encoding and error handling. Having error handling in the function that emits frames is particularly important because exceptions in that function can lead to things getting in a bad state: I'm fairly certain that uncaught exceptions in the frame generator were causing deadlocks. I also introduced a dedicated error type for explicit error reporting in command handlers. This will be used in subsequent commits. There's still a bit of work to be done here, especially around formalizing the error handling "protocol." I've added yet another TODO to track this so we don't forget. Test output changed because we're using generators and no longer know we are at the end of the data until we hit the end of the generator. This means we can't emit the end-of-stream flag until we've exhausted the generator. Hence the introduction of 0-sized end-of-stream frames. Differential Revision: https://phab.mercurial-scm.org/D4472

Martin von Zweigbergk - - Load All Authors

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        Pulkit Goyal
    
commands: use the new API to access hidden changesets in various commands...

              r35513
            
      Tests for access level on hidden commits by various commands on based of their

      type.

      Setting the required config to start this

        $ cat >> $HGRCPATH <<EOF

        > [experimental]

        > evolution=createmarkers, allowunstable

        > directaccess=True

        > directaccess.revnums=True

        > [extensions]

        > amend =

        > EOF

        $ hg init repo

        $ cd repo

        $ for ch in a b c; do touch $ch; echo "foo" >> $ch; hg ci -Aqm "Added "$ch; done

        $ hg log -G -T '{rev}:{node} {desc}' --hidden

        @  2:28ad74487de9599d00d81085be739c61fc340652 Added c

        |

        o  1:29becc82797a4bc11ec8880b58eaecd2ab3e7760 Added b

        |

        o  0:18d04c59bb5d2d4090ad9a5b59bd6274adb63add Added a

        $ echo "bar" >> c

        $ hg amend

        $ hg log -G -T '{rev}:{node} {desc}' --hidden

        @  3:2443a0e664694756d8b435d06b6ad84f941b6fc0 Added c

        |

        | x  2:28ad74487de9599d00d81085be739c61fc340652 Added c

        |/

        o  1:29becc82797a4bc11ec8880b58eaecd2ab3e7760 Added b

        |

        o  0:18d04c59bb5d2d4090ad9a5b59bd6274adb63add Added a

      Testing read only commands on the hidden revision

      Testing with rev number

        $ hg exp 2 --config experimental.directaccess.revnums=False

        Boris Feld
    
visibility: improve the message when accessing filtered obsolete rev...

              r35589
            
        abort: hidden revision '2' was rewritten as: 2443a0e66469!

        Pulkit Goyal
    
commands: use the new API to access hidden changesets in various commands...

              r35513
            
        (use --hidden to access hidden revisions)

        [255]

        $ hg exp 2

        # HG changeset patch

        # User test

        # Date 0 0

        #      Thu Jan 01 00:00:00 1970 +0000

        # Node ID 28ad74487de9599d00d81085be739c61fc340652

        # Parent  29becc82797a4bc11ec8880b58eaecd2ab3e7760

        Added c

        diff -r 29becc82797a -r 28ad74487de9 c

        --- /dev/null	Thu Jan 01 00:00:00 1970 +0000

        +++ b/c	Thu Jan 01 00:00:00 1970 +0000

        @@ -0,0 +1,1 @@

        +foo

        $ hg log -r 2

        changeset:   2:28ad74487de9

        user:        test

        date:        Thu Jan 01 00:00:00 1970 +0000

        obsolete:    rewritten using amend as 3:2443a0e66469

        summary:     Added c

        $ hg identify -r 2

        28ad74487de9

        $ hg status --change 2

        A c

        $ hg status --change 2 --config experimental.directaccess.revnums=False

        Boris Feld
    
visibility: improve the message when accessing filtered obsolete rev...

              r35589
            
        abort: hidden revision '2' was rewritten as: 2443a0e66469!

        Pulkit Goyal
    
commands: use the new API to access hidden changesets in various commands...

              r35513
            
        (use --hidden to access hidden revisions)

        [255]

        $ hg diff -c 2

        diff -r 29becc82797a -r 28ad74487de9 c

        --- /dev/null	Thu Jan 01 00:00:00 1970 +0000

        +++ b/c	Thu Jan 01 00:00:00 1970 +0000

        @@ -0,0 +1,1 @@

        +foo

      Testing with hash

      `hg export`

        $ hg exp 28ad74

        # HG changeset patch

        # User test

        # Date 0 0

        #      Thu Jan 01 00:00:00 1970 +0000

        # Node ID 28ad74487de9599d00d81085be739c61fc340652

        # Parent  29becc82797a4bc11ec8880b58eaecd2ab3e7760

        Added c

        diff -r 29becc82797a -r 28ad74487de9 c

        --- /dev/null	Thu Jan 01 00:00:00 1970 +0000

        +++ b/c	Thu Jan 01 00:00:00 1970 +0000

        @@ -0,0 +1,1 @@

        +foo

      `hg log`

        $ hg log -r 28ad74

        changeset:   2:28ad74487de9

        user:        test

        date:        Thu Jan 01 00:00:00 1970 +0000

        obsolete:    rewritten using amend as 3:2443a0e66469

        summary:     Added c

      `hg cat`

        $ hg cat -r 28ad74 c

        foo

      `hg diff`

        $ hg diff -c 28ad74

        diff -r 29becc82797a -r 28ad74487de9 c

        --- /dev/null	Thu Jan 01 00:00:00 1970 +0000

        +++ b/c	Thu Jan 01 00:00:00 1970 +0000

        @@ -0,0 +1,1 @@

        +foo

      `hg files`

        $ hg files -r 28ad74

        a

        b

        c

      `hg identify`

        $ hg identify -r 28ad74

        28ad74487de9

        Pulkit Goyal
    
annotate: add support to specify hidden revs if directaccess config is set...

              r35552
            
      `hg annotate`

        $ hg annotate -r 28ad74 a

        0: foo

        Pulkit Goyal
    
commands: use the new API to access hidden changesets in various commands...

              r35513
            
      `hg status`

        $ hg status --change 28ad74

        A c

        Pulkit Goyal
    
archive: add support to specify hidden revs if directaccess config is set...

              r35553
            
      `hg archive`

      This should not throw error

        $ hg archive -r 28ad74 foo

        Pulkit Goyal
    
update: support updating to hidden cset if directaccess config is set...

              r35536
            
      `hg update`

        $ hg up 28ad74

        Martin von Zweigbergk
    
update: print warning about hidden changeset after update...

              r37939
            
        1 files updated, 0 files merged, 0 files removed, 0 files unresolved

        updated to hidden changeset 28ad74487de9

        Boris Feld
    
update: display the obsfate of hidden revision we update to...

              r35729
            
        (hidden revision '28ad74487de9' was rewritten as: 2443a0e66469)

        Pulkit Goyal
    
update: support updating to hidden cset if directaccess config is set...

              r35536
            
        $ hg up 3

        1 files updated, 0 files merged, 0 files removed, 0 files unresolved

        Yuya Nishihara
    
update: fix crash on bare update when directaccess is enabled...

              r35699
            
        $ hg up

        0 files updated, 0 files merged, 0 files removed, 0 files unresolved

        Pulkit Goyal
    
revert: support reverting to hidden cset if directaccess config is set...

              r35537
            
      `hg revert`

        $ hg revert -r 28ad74 --all

        reverting c

        $ hg diff

        diff -r 2443a0e66469 c

        --- a/c	Thu Jan 01 00:00:00 1970 +0000

        +++ b/c	Thu Jan 01 00:00:00 1970 +0000

        @@ -1,2 +1,1 @@

         foo

        -bar

        Yuya Nishihara
    
directaccess: do not abort by 'ff...' hash...

              r37112
            
      Test special hash/rev

        $ hg log -qr 'null:wdir() & 000000000000'

        -1:000000000000

        $ hg log -qr 'null:wdir() & ffffffffffff'

        2147483647:ffffffffffff

        $ hg log -qr 'null:wdir() & rev(-1)'

        -1:000000000000

        $ hg log -qr 'null:wdir() & rev(2147483647)'

        2147483647:ffffffffffff

        $ hg log -qr 'null:wdir() & 2147483647'

        2147483647:ffffffffffff

        Gregory Szorc
    
registrar: replace "cmdtype" with an intent-based mechanism (API)...

              r37734
            
      Commands with undefined intent should not work right now

        Pulkit Goyal
    
commands: use the new API to access hidden changesets in various commands...

              r35513
            
        $ hg phase -r 28ad74

        Boris Feld
    
visibility: improve the message when accessing filtered obsolete rev...

              r35589
            
        abort: hidden revision '28ad74' was rewritten as: 2443a0e66469!

        Pulkit Goyal
    
commands: use the new API to access hidden changesets in various commands...

              r35513
            
        (use --hidden to access hidden revisions)

        [255]

        $ hg phase -r 2

        Boris Feld
    
visibility: improve the message when accessing filtered obsolete rev...

              r35589
            
        abort: hidden revision '2' was rewritten as: 2443a0e66469!

        Pulkit Goyal
    
commands: use the new API to access hidden changesets in various commands...

              r35513
            
        (use --hidden to access hidden revisions)

        [255]

        Pulkit Goyal
    
bookmarks: add bookmarks to hidden revs if directaccess config is set...

              r35629
            
      Setting a bookmark will make that changeset unhidden, so this should come in end

        $ hg bookmarks -r 28ad74 book

        bookmarking hidden changeset 28ad74487de9

        Boris Feld
    
bookmarks: display the obsfate of hidden revision we create a bookmark on...

              r35730
            
        (hidden revision '28ad74487de9' was rewritten as: 2443a0e66469)

        Pulkit Goyal
    
bookmarks: add bookmarks to hidden revs if directaccess config is set...

              r35629
            
        $ hg bookmarks

           book                      2:28ad74487de9

	Site-wide shortcuts
/	Use quick search box
g h	Goto home page
g g	Goto my private gists page
g G	Goto my public gists page
g 0-9	Goto bookmarked items from 0-9
n r	New repository page
n g	New gist page

	Repositories
g s	Goto summary page
g c	Goto changelog page
g f	Goto files page
g F	Goto files page with file search activated
g p	Goto pull requests page
g o	Goto repository settings
g O	Goto repository access permissions settings
t s	Toggle sidebar on some pages

Pulkit Goyal commands: use the new API to access hidden changesets in various commands...	r35513	Tests for access level on hidden commits by various commands on based of their
		type.

		Setting the required config to start this

		$ cat >> $HGRCPATH <<EOF
		> [experimental]
		> evolution=createmarkers, allowunstable
		> directaccess=True
		> directaccess.revnums=True
		> [extensions]
		> amend =
		> EOF

		$ hg init repo
		$ cd repo
		$ for ch in a b c; do touch $ch; echo "foo" >> $ch; hg ci -Aqm "Added "$ch; done

		$ hg log -G -T '{rev}:{node} {desc}' --hidden
		@ 2:28ad74487de9599d00d81085be739c61fc340652 Added c
		\|
		o 1:29becc82797a4bc11ec8880b58eaecd2ab3e7760 Added b
		\|
		o 0:18d04c59bb5d2d4090ad9a5b59bd6274adb63add Added a

		$ echo "bar" >> c
		$ hg amend

		$ hg log -G -T '{rev}:{node} {desc}' --hidden
		@ 3:2443a0e664694756d8b435d06b6ad84f941b6fc0 Added c
		\|
		\| x 2:28ad74487de9599d00d81085be739c61fc340652 Added c
		\|/
		o 1:29becc82797a4bc11ec8880b58eaecd2ab3e7760 Added b
		\|
		o 0:18d04c59bb5d2d4090ad9a5b59bd6274adb63add Added a

		Testing read only commands on the hidden revision

		Testing with rev number

		$ hg exp 2 --config experimental.directaccess.revnums=False
Boris Feld visibility: improve the message when accessing filtered obsolete rev...	r35589	abort: hidden revision '2' was rewritten as: 2443a0e66469!
Pulkit Goyal commands: use the new API to access hidden changesets in various commands...	r35513	(use --hidden to access hidden revisions)
		[255]

		$ hg exp 2
		# HG changeset patch
		# User test
		# Date 0 0
		# Thu Jan 01 00:00:00 1970 +0000
		# Node ID 28ad74487de9599d00d81085be739c61fc340652
		# Parent 29becc82797a4bc11ec8880b58eaecd2ab3e7760
		Added c

		diff -r 29becc82797a -r 28ad74487de9 c
		--- /dev/null Thu Jan 01 00:00:00 1970 +0000
		+++ b/c Thu Jan 01 00:00:00 1970 +0000
		@@ -0,0 +1,1 @@
		+foo

		$ hg log -r 2
		changeset: 2:28ad74487de9
		user: test
		date: Thu Jan 01 00:00:00 1970 +0000
		obsolete: rewritten using amend as 3:2443a0e66469
		summary: Added c

		$ hg identify -r 2
		28ad74487de9

		$ hg status --change 2
		A c

		$ hg status --change 2 --config experimental.directaccess.revnums=False
Boris Feld visibility: improve the message when accessing filtered obsolete rev...	r35589	abort: hidden revision '2' was rewritten as: 2443a0e66469!
Pulkit Goyal commands: use the new API to access hidden changesets in various commands...	r35513	(use --hidden to access hidden revisions)
		[255]

		$ hg diff -c 2
		diff -r 29becc82797a -r 28ad74487de9 c
		--- /dev/null Thu Jan 01 00:00:00 1970 +0000
		+++ b/c Thu Jan 01 00:00:00 1970 +0000
		@@ -0,0 +1,1 @@
		+foo

		Testing with hash

		`hg export`

		$ hg exp 28ad74
		# HG changeset patch
		# User test
		# Date 0 0
		# Thu Jan 01 00:00:00 1970 +0000
		# Node ID 28ad74487de9599d00d81085be739c61fc340652
		# Parent 29becc82797a4bc11ec8880b58eaecd2ab3e7760
		Added c

		diff -r 29becc82797a -r 28ad74487de9 c
		--- /dev/null Thu Jan 01 00:00:00 1970 +0000
		+++ b/c Thu Jan 01 00:00:00 1970 +0000
		@@ -0,0 +1,1 @@
		+foo

		`hg log`

		$ hg log -r 28ad74
		changeset: 2:28ad74487de9
		user: test
		date: Thu Jan 01 00:00:00 1970 +0000
		obsolete: rewritten using amend as 3:2443a0e66469
		summary: Added c

		`hg cat`

		$ hg cat -r 28ad74 c
		foo

		`hg diff`

		$ hg diff -c 28ad74
		diff -r 29becc82797a -r 28ad74487de9 c
		--- /dev/null Thu Jan 01 00:00:00 1970 +0000
		+++ b/c Thu Jan 01 00:00:00 1970 +0000
		@@ -0,0 +1,1 @@
		+foo

		`hg files`

		$ hg files -r 28ad74
		a
		b
		c

		`hg identify`

		$ hg identify -r 28ad74
		28ad74487de9

Pulkit Goyal annotate: add support to specify hidden revs if directaccess config is set...	r35552	`hg annotate`

		$ hg annotate -r 28ad74 a
		0: foo

Pulkit Goyal commands: use the new API to access hidden changesets in various commands...	r35513	`hg status`

		$ hg status --change 28ad74
		A c

Pulkit Goyal archive: add support to specify hidden revs if directaccess config is set...	r35553	`hg archive`

		This should not throw error
		$ hg archive -r 28ad74 foo

Pulkit Goyal update: support updating to hidden cset if directaccess config is set...	r35536	`hg update`

		$ hg up 28ad74
Martin von Zweigbergk update: print warning about hidden changeset after update...	r37939	1 files updated, 0 files merged, 0 files removed, 0 files unresolved
		updated to hidden changeset 28ad74487de9
Boris Feld update: display the obsfate of hidden revision we update to...	r35729	(hidden revision '28ad74487de9' was rewritten as: 2443a0e66469)
Pulkit Goyal update: support updating to hidden cset if directaccess config is set...	r35536
		$ hg up 3
		1 files updated, 0 files merged, 0 files removed, 0 files unresolved

Yuya Nishihara update: fix crash on bare update when directaccess is enabled...	r35699	$ hg up
		0 files updated, 0 files merged, 0 files removed, 0 files unresolved

Pulkit Goyal revert: support reverting to hidden cset if directaccess config is set...	r35537	`hg revert`

		$ hg revert -r 28ad74 --all
		reverting c

		$ hg diff
		diff -r 2443a0e66469 c
		--- a/c Thu Jan 01 00:00:00 1970 +0000
		+++ b/c Thu Jan 01 00:00:00 1970 +0000
		@@ -1,2 +1,1 @@
		foo
		-bar

Yuya Nishihara directaccess: do not abort by 'ff...' hash...	r37112	Test special hash/rev

		$ hg log -qr 'null:wdir() & 000000000000'
		-1:000000000000
		$ hg log -qr 'null:wdir() & ffffffffffff'
		2147483647:ffffffffffff
		$ hg log -qr 'null:wdir() & rev(-1)'
		-1:000000000000
		$ hg log -qr 'null:wdir() & rev(2147483647)'
		2147483647:ffffffffffff
		$ hg log -qr 'null:wdir() & 2147483647'
		2147483647:ffffffffffff

Gregory Szorc registrar: replace "cmdtype" with an intent-based mechanism (API)...	r37734	Commands with undefined intent should not work right now
Pulkit Goyal commands: use the new API to access hidden changesets in various commands...	r35513
		$ hg phase -r 28ad74
Boris Feld visibility: improve the message when accessing filtered obsolete rev...	r35589	abort: hidden revision '28ad74' was rewritten as: 2443a0e66469!
Pulkit Goyal commands: use the new API to access hidden changesets in various commands...	r35513	(use --hidden to access hidden revisions)
		[255]

		$ hg phase -r 2
Boris Feld visibility: improve the message when accessing filtered obsolete rev...	r35589	abort: hidden revision '2' was rewritten as: 2443a0e66469!
Pulkit Goyal commands: use the new API to access hidden changesets in various commands...	r35513	(use --hidden to access hidden revisions)
		[255]
Pulkit Goyal bookmarks: add bookmarks to hidden revs if directaccess config is set...	r35629
		Setting a bookmark will make that changeset unhidden, so this should come in end

		$ hg bookmarks -r 28ad74 book
		bookmarking hidden changeset 28ad74487de9
Boris Feld bookmarks: display the obsfate of hidden revision we create a bookmark on...	r35730	(hidden revision '28ad74487de9' was rewritten as: 2443a0e66469)
Pulkit Goyal bookmarks: add bookmarks to hidden revs if directaccess config is set...	r35629
		$ hg bookmarks
		book 2:28ad74487de9