sapling/eden/scm/tests/test-fb-hgext-snapshot.t
Jun Wu 0562c1220f tests: enable template-new-builtin
Summary: This makes tests depend less on revision numbers.

Reviewed By: DurhamG

Differential Revision: D22468669

fbshipit-source-id: 74a06930faa3e6ee9d246ecc718c2a3740f57a54
2020-07-20 17:27:53 -07:00

397 lines
12 KiB
Perl

#require py2
#chg-compatible
# Initial setup
$ enable rebase snapshot
$ setconfig visibility.enabled=true
# Prepare server and client repos.
$ hg init server
$ hg clone -q server client
$ cd client
$ hg debugvisibility start
# Add a file to the store
$ echo "foo" > foofile
$ mkdir bar
$ echo "bar" > bar/file
$ hg add foofile bar/file
$ hg commit -m "add some files"
$ hg push
pushing to $TESTTMP/server
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 2 changes to 2 files
# Call this state a base revision
$ BASEREV="$(hg id -i)"
$ echo "$BASEREV"
3490593cf53c
# Snapshot test plan:
# 1) Empty snapshot (no changes);
# 2) Snapshot with an empty metadata (changes only in tracked files);
# 3) Snapshot with metadata (untracked changes only);
# 4) Snapshot with metadata (merge state only);
# 5) Snapshot with metadata (merge state + mixed changes);
# 6) List the snapshots;
# 7) Same as 3 but test the --clean flag on creation;
# 8) Same as 3 but test the --clean flag on restore;
# 9) Resolve the merge conflict after restoring the snapshot;
# 10) Negative tests.
# 1) Empty snapshot -- no need to create a snapshot now
$ hg snapshot create
nothing changed
$ hg snapshot list
no snapshots created
# 2) Snapshot with an empty metadata (changes only in tracked files)
$ hg rm bar/file
$ echo "change" >> foofile
$ echo "another" > bazfile
$ hg add bazfile
$ BEFORESTATUS="$(hg status --verbose)"
$ echo "$BEFORESTATUS"
M foofile
A bazfile
R bar/file
$ BEFOREDIFF="$(hg diff)"
$ echo "$BEFOREDIFF"
diff -r 3490593cf53c bar/file
--- a/bar/file Thu Jan 01 00:00:00 1970 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,1 +0,0 @@
-bar
diff -r 3490593cf53c bazfile
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/bazfile Thu Jan 01 00:00:00 1970 +0000
@@ -0,0 +1,1 @@
+another
diff -r 3490593cf53c foofile
--- a/foofile Thu Jan 01 00:00:00 1970 +0000
+++ b/foofile Thu Jan 01 00:00:00 1970 +0000
@@ -1,1 +1,2 @@
foo
+change
# Create a snapshot and check the result
$ EMPTYOID="$(hg snapshot create -m "first snapshot" | head -n 1 | cut -f2 -d' ')"
$ echo "$EMPTYOID"
bd8d77aecb3d474ec545981fe5b7aa9cd40f5df2
$ hg log --hidden -r "$EMPTYOID" -T '{extras % \"{extra}\n\"}' | grep snapshotmetadataid
snapshotmetadataid=
# The snapshot commit is hidden
$ hg log -r "$EMPTYOID"
commit: bd8d77aecb3d
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: first snapshot
# Rollback to BASEREV and checkout on EMPTYOID
$ hg update -q --clean "$BASEREV" && rm bazfile
$ hg status --verbose
$ hg snapshot checkout "$EMPTYOID"
will checkout on bd8d77aecb3d474ec545981fe5b7aa9cd40f5df2
checkout complete
$ test "$BEFORESTATUS" = "$(hg status --verbose)"
$ test "$BEFOREDIFF" = "$(hg diff)"
# 3) Snapshot with metadata (untracked changes only);
$ hg update -q --clean "$BASEREV" && rm bazfile
$ cd bar
$ mkdir baz
$ echo 'a' > untrackedfile
$ echo 'b' > baz/file
$ BEFORESTATUS="$(hg status --verbose)"
$ echo "$BEFORESTATUS"
? bar/baz/file
? bar/untrackedfile
$ BEFOREDIFF="$(hg diff)"
$ echo "$BEFOREDIFF"
$ OIDUNTRACKED="$(hg snapshot create --clean | head -n 1 | cut -f2 -d' ')"
$ hg snapshot checkout "$OIDUNTRACKED"
will checkout on e6ce6b866bac5d4f9eaa19abb957c31c0a8957dc
checkout complete
$ test "$BEFORESTATUS" = "$(hg status --verbose)"
$ test "$BEFOREDIFF" = "$(hg diff)"
$ cd ..
# 4) Snapshot with metadata (merge state only);
$ hg update -q --clean "$BASEREV" && rm bar/untrackedfile bar/baz/file
$ hg status --verbose
$ echo "a" > mergefile
$ hg add mergefile
$ hg commit -m "merge #1"
$ MERGEREV="$(hg id -i)"
$ hg checkout "$BASEREV"
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ echo "b" > mergefile
$ hg add mergefile
$ hg commit -m "merge #2"
$ hg merge "$MERGEREV"
merging mergefile
warning: 1 conflicts while merging mergefile! (edit, then use 'hg resolve --mark')
0 files updated, 0 files merged, 0 files removed, 1 files unresolved
use 'hg resolve' to retry unresolved file merges or 'hg update -C .' to abandon
[1]
$ BEFORESTATUS="$(hg status --verbose)"
$ echo "$BEFORESTATUS"
M mergefile
? mergefile.orig
# The repository is in an unfinished *merge* state.
# Unresolved merge conflicts:
#
# mergefile
#
# To mark files as resolved: hg resolve --mark FILE
# To continue: hg commit
# To abort: hg update --clean . (warning: this will discard uncommitted changes)
$ BEFOREDIFF="$(hg diff)"
$ echo "$BEFOREDIFF"
diff -r 6eb2552aed20 mergefile
--- a/mergefile Thu Jan 01 00:00:00 1970 +0000
+++ b/mergefile Thu Jan 01 00:00:00 1970 +0000
@@ -1,1 +1,5 @@
+<<<<<<< working copy: 6eb2552aed20 - test: merge #2
b
+=======
+a
+>>>>>>> merge rev: f473d4d5a1c0 - test: merge #1
# Create the snapshot
$ OID="$(hg snapshot create -m another | cut -f2 -d' ')"
$ echo "$OID"
6f770bad8ca50f23f9a62a76c3f7add22772df50
# Clean everything and checkout back
$ hg update -q --clean . && rm mergefile.orig
$ hg snapshot checkout "$OID"
will checkout on 6f770bad8ca50f23f9a62a76c3f7add22772df50
checkout complete
# hg status/diff are unchanged
$ test "$BEFORESTATUS" = "$(hg status --verbose)"
$ test "$BEFOREDIFF" = "$(hg diff)"
# 5) Snapshot with metadata (merge state + mixed changes);
$ hg status --verbose
M mergefile
? mergefile.orig
# The repository is in an unfinished *merge* state.
# Unresolved merge conflicts:
#
# mergefile
#
# To mark files as resolved: hg resolve --mark FILE
# To continue: hg commit
# To abort: hg update --clean . (warning: this will discard uncommitted changes)
# Make some changes on top of that: add, remove, edit
$ hg rm bar/file
$ rm foofile
$ echo "another" > bazfile
$ hg add bazfile
$ echo "fizz some long content which has a length of at least 100 bytes............................................" > untrackedfile
$ BEFORESTATUS="$(hg status --verbose)"
$ echo "$BEFORESTATUS"
M mergefile
A bazfile
R bar/file
! foofile
? mergefile.orig
? untrackedfile
# The repository is in an unfinished *merge* state.
# Unresolved merge conflicts:
#
# mergefile
#
# To mark files as resolved: hg resolve --mark FILE
# To continue: hg commit
# To abort: hg update --clean . (warning: this will discard uncommitted changes)
$ BEFOREDIFF="$(hg diff)"
$ echo "$BEFOREDIFF"
diff -r 6eb2552aed20 bar/file
--- a/bar/file Thu Jan 01 00:00:00 1970 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,1 +0,0 @@
-bar
diff -r 6eb2552aed20 bazfile
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/bazfile Thu Jan 01 00:00:00 1970 +0000
@@ -0,0 +1,1 @@
+another
diff -r 6eb2552aed20 mergefile
--- a/mergefile Thu Jan 01 00:00:00 1970 +0000
+++ b/mergefile Thu Jan 01 00:00:00 1970 +0000
@@ -1,1 +1,5 @@
+<<<<<<< working copy: 6eb2552aed20 - test: merge #2
b
+=======
+a
+>>>>>>> merge rev: f473d4d5a1c0 - test: merge #1
# Create the snapshot
$ OID="$(hg snapshot create --clean | head -n 1 | cut -f2 -d' ')"
$ echo "$OID"
eae93e849afe8c057f1832a2266720c1c530400e
$ hg snapshot checkout "$OID"
will checkout on eae93e849afe8c057f1832a2266720c1c530400e
checkout complete
# hg status/diff are unchanged
$ test "$BEFORESTATUS" = "$(hg status --verbose)"
$ test "$BEFOREDIFF" = "$(hg diff)"
# Check the metadata id and its contents
$ METADATAID="$(hg log --hidden -r \"$OID\" -T '{extras % \"{extra}\n\"}' | grep snapshotmetadataid | cut -d'=' -f2)"
$ echo "$METADATAID"
f37947cc08b744e8892654756add6f883e22616ac835f3da1745cdb6335126b8
$ find .hg/store/snapshots/objects/"${METADATAID:0:2}"/"${METADATAID:2}"
.hg/store/snapshots/objects/f3/7947cc08b744e8892654756add6f883e22616ac835f3da1745cdb6335126b8
# 6) List the snapshots
# Check the list of snapshots directly
$ cat .hg/store/snapshotlist
v1
bd8d77aecb3d474ec545981fe5b7aa9cd40f5df2
e6ce6b866bac5d4f9eaa19abb957c31c0a8957dc
6f770bad8ca50f23f9a62a76c3f7add22772df50
eae93e849afe8c057f1832a2266720c1c530400e
# Use the list cmd
$ hg snapshot list --verbose
bd8d77aecb3d None first snapshot
e6ce6b866bac 937ff3506fea snapshot
6f770bad8ca5 e654b3eb8739 another
eae93e849afe f37947cc08b7 snapshot
# Move back to BASEREV
$ hg update -q --clean "$BASEREV" && rm bazfile
$ rm mergefile.orig
$ hg status
? untrackedfile
# Check out on the snapshot -- negative tests
# Regular checkout
# Non-empty WC state
$ hg checkout "$OID"
eae93e849afe is a snapshot, set ui.allow-checkout-snapshot config to True to checkout on it directly
Executing `hg snapshot checkout eae93e849afe`.
abort: You must have a clean working copy to checkout on a snapshot. Use --clean to bypass that.
[255]
# Bad id
$ rm untrackedfile
$ hg snapshot checkout somebadid
somebadid is not a valid revision id
abort: unknown revision 'somebadid'!
[255]
# Still bad id -- not a snapshot
$ hg snapshot checkout "$BASEREV"
abort: 3490593cf53c is not a valid snapshot id
[255]
# Check out on the snapshot -- positive tests
$ hg snapshot checkout "$OID"
will checkout on eae93e849afe8c057f1832a2266720c1c530400e
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
checkout complete
$ test "$BEFORESTATUS" = "$(hg status --verbose)"
$ test "$BEFOREDIFF" = "$(hg diff)"
# 7) Test the --clean flag on snapshot creation;
$ find .hg/merge | sort
.hg/merge
.hg/merge/fc4ffdcb8ed23cecd44a0e11d23af83b445179b4
.hg/merge/state
.hg/merge/state2
$ hg snapshot create --clean
snapshot eae93e849afe8c057f1832a2266720c1c530400e created
3 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg status --verbose
$ test -d .hg/merge
[1]
$ hg snapshot checkout "$OID"
will checkout on eae93e849afe8c057f1832a2266720c1c530400e
checkout complete
# 8) Test the --clean flag on checkout;
$ hg update -q --clean "$BASEREV"
$ hg status --verbose
? bazfile
? mergefile.orig
? untrackedfile
$ hg snapshot checkout "$OID"
abort: You must have a clean working copy to checkout on a snapshot. Use --clean to bypass that.
[255]
$ hg snapshot checkout --clean "$OID"
will checkout on eae93e849afe8c057f1832a2266720c1c530400e
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
checkout complete
# 9) Resolve the merge conflict after restoring the snapshot;
$ hg resolve --mark mergefile
(no more unresolved files)
$ hg remove foofile
$ hg status --verbose
M mergefile
A bazfile
R bar/file
R foofile
? mergefile.orig
? untrackedfile
# The repository is in an unfinished *merge* state.
# No unresolved merge conflicts.
# To continue: hg commit
# To abort: hg update --clean . (warning: this will discard uncommitted changes)
$ hg commit -m "merge commit"
$ hg status --verbose
? mergefile.orig
? untrackedfile
# 10) Negative tests.
$ BROKENSNAPSHOTID="$(hg snapshot create --clean | head -n 1 | cut -f2 -d' ')"
$ BROKENMETADATAID="$(hg log --hidden -r \"$BROKENSNAPSHOTID\" -T '{extras % \"{extra}\n\"}' | grep snapshotmetadataid | cut -d'=' -f2)"
# Delete all the related files from the local store
$ find .hg/store/snapshots/objects/ -mindepth 1 ! -name "${BROKENMETADATAID:2}" -type f -delete
$ hg snapshot checkout $BROKENSNAPSHOTID
will checkout on d208b836260dfe6553aa21e569e5451a27e3e599
abort: file untrackedfile with oid 7c508c43b8899c7e35a808490880699447929ee5e7ee2f279bc22ef8a57dd9e1 not found in local blobstorage
[255]
$ hg status --verbose
# Break the metadata itself
$ echo "break the metadata" >> .hg/store/snapshots/objects/"${BROKENMETADATAID:0:2}"/"${BROKENMETADATAID:2}"
$ hg snapshot checkout $BROKENSNAPSHOTID
will checkout on d208b836260dfe6553aa21e569e5451a27e3e599
abort: invalid metadata stream
[255]
$ hg status --verbose