sapling/tests/test-fastmanifest.t
Laurent Charignon 0341a3368f fastmanifest: add fastmanifestcached revset
Summary:
This will allow us to know what revisions are actually cached vs
revisions that would be cached by a trigger.

Test Plan: Add new tests

Reviewers: ttung, durham

Differential Revision: https://phabricator.intern.facebook.com/D3385955
2016-06-06 11:14:10 -07:00

278 lines
11 KiB
Raku

Setup
$ PYTHONPATH=$TESTDIR/..:$PYTHONPATH
$ export PYTHONPATH
Check diagnosis, debugging information
1) Setup configuration
$ mkcommit() {
> echo "$1" > "$1"
> hg add "$1"
> echo "add $1" > msg
> echo "" >> msg
> hg ci -l msg
> }
2) Basic cache testing
$ mkdir cachetesting
$ cd cachetesting
$ hg init
$ cat >> .hg/hgrc << EOF
> [extensions]
> fastmanifest=
> [fastmanifest]
> cachecutoffdays=-1
> randomorder=False
> EOF
$ mkcommit a
$ mkcommit b
$ mkcommit c
$ mkcommit d
$ mkcommit e
$ hg diff -c . --debug --nodate
[FM] cache miss for fastmanifest f064a7f8e3e138341587096641d86e9d23cd9778
[FM] cache miss for fastmanifest 7ab5760d084a24168f7595c38c00f4bbc2e308d9
[FM] performing diff
[FM] diff: other side is hybrid manifest
[FM] diff: cache miss
diff -r 47d2a3944de8b013de3be9578e8e344ea2e6c097 -r 9d206ffc875e1bc304590549be293be36821e66c e
--- /dev/null
+++ b/e
@@ -0,0 +1,1 @@
+e
Stress test to see if all these can work concurrently, if this test fails
there is a concurrency issue to address
$ hg debugcachemanifest -a --background >/dev/null
$ hg debugcachemanifest --pruneall --background >/dev/null
$ hg debugcachemanifest --pruneall --background >/dev/null
$ hg debugcachemanifest -a --background >/dev/null
$ sleep 1
$ hg debugcachemanifest -a --background
$ hg debugcachemanifest -a --background
$ hg debugcachemanifest -a --background
$ sleep 1
$ hg debugcachemanifest --list
fast7ab5760d084a24168f7595c38c00f4bbc2e308d9 (size 328 bytes)
fasta0c8bcbbb45c63b90b70ad007bf38961f64f2af0 (size 136 bytes)
fasta539ce0c1a22b0ecf34498f9f5ce8ea56df9ecb7 (size 184 bytes)
faste3738bf5439958f89499a656982023aba57b076e (size 232 bytes)
fastf064a7f8e3e138341587096641d86e9d23cd9778 (size 280 bytes)
cache size is: 1.13 KB
number of entries is: 5
$ hg diff -c . --debug --nodate
[FM] cache hit for fastmanifest f064a7f8e3e138341587096641d86e9d23cd9778
[FM] cache hit for fastmanifest 7ab5760d084a24168f7595c38c00f4bbc2e308d9
[FM] performing diff
[FM] diff: other side is hybrid manifest
diff -r 47d2a3944de8b013de3be9578e8e344ea2e6c097 -r 9d206ffc875e1bc304590549be293be36821e66c e
--- /dev/null
+++ b/e
@@ -0,0 +1,1 @@
+e
Test the --pruneall command to prune all the cached manifests
$ hg debugcachemanifest --pruneall --debug
[FM] caching revset: [], background(False), pruneall(True), list(False)
[FM] removing cached manifest fast7ab5760d084a24168f7595c38c00f4bbc2e308d9
[FM] removing cached manifest fasta0c8bcbbb45c63b90b70ad007bf38961f64f2af0
[FM] removing cached manifest fasta539ce0c1a22b0ecf34498f9f5ce8ea56df9ecb7
[FM] removing cached manifest faste3738bf5439958f89499a656982023aba57b076e
[FM] removing cached manifest fastf064a7f8e3e138341587096641d86e9d23cd9778
$ hg diff -c . --debug --nodate
[FM] cache miss for fastmanifest f064a7f8e3e138341587096641d86e9d23cd9778
[FM] cache miss for fastmanifest 7ab5760d084a24168f7595c38c00f4bbc2e308d9
[FM] performing diff
[FM] diff: other side is hybrid manifest
[FM] diff: cache miss
diff -r 47d2a3944de8b013de3be9578e8e344ea2e6c097 -r 9d206ffc875e1bc304590549be293be36821e66c e
--- /dev/null
+++ b/e
@@ -0,0 +1,1 @@
+e
$ cat >> .hg/hgrc << EOF
> [fastmanifest]
> cacheonchange=True
> cacheonchangebackground=False
> EOF
$ mkcommit f
$ hg book --debug foo
[FM] skipped 1853a742c28c3a531336bbb3d677d2e2d8937027, already cached (fast path)
[FM] skipped 7ab5760d084a24168f7595c38c00f4bbc2e308d9, already cached (fast path)
[FM] skipped f064a7f8e3e138341587096641d86e9d23cd9778, already cached (fast path)
[FM] skipped e3738bf5439958f89499a656982023aba57b076e, already cached (fast path)
[FM] skipped a539ce0c1a22b0ecf34498f9f5ce8ea56df9ecb7, already cached (fast path)
[FM] skipped a0c8bcbbb45c63b90b70ad007bf38961f64f2af0, already cached (fast path)
[FM] nothing to do, cache size < limit
$ hg diff -c . --debug --nodate
[FM] cache hit for fastmanifest 7ab5760d084a24168f7595c38c00f4bbc2e308d9
[FM] cache hit for fastmanifest 1853a742c28c3a531336bbb3d677d2e2d8937027
[FM] performing diff
[FM] diff: other side is hybrid manifest
diff -r 9d206ffc875e1bc304590549be293be36821e66c -r bbc3e467917630e7d77cd77298e1027030972893 f
--- /dev/null
+++ b/f
@@ -0,0 +1,1 @@
+f
$ hg debugcachemanifest --all --debug
[FM] caching revset: ['fastmanifesttocache()'], background(False), pruneall(False), list(False)
[FM] skipped 1853a742c28c3a531336bbb3d677d2e2d8937027, already cached (fast path)
[FM] skipped 7ab5760d084a24168f7595c38c00f4bbc2e308d9, already cached (fast path)
[FM] skipped f064a7f8e3e138341587096641d86e9d23cd9778, already cached (fast path)
[FM] skipped e3738bf5439958f89499a656982023aba57b076e, already cached (fast path)
[FM] skipped a539ce0c1a22b0ecf34498f9f5ce8ea56df9ecb7, already cached (fast path)
[FM] skipped a0c8bcbbb45c63b90b70ad007bf38961f64f2af0, already cached (fast path)
$ hg debugcachemanifest --pruneall
$ hg log -r "fastmanifesttocache()" -T '{rev}\n'
0
1
2
3
4
5
$ hg log -r "fastmanifestcached()" -T '{rev}\n'
$ hg debugcachemanifest --all --debug
[FM] caching revset: ['fastmanifesttocache()'], background(False), pruneall(False), list(False)
[FM] caching revision 1853a742c28c3a531336bbb3d677d2e2d8937027
[FM] cache miss for fastmanifest 1853a742c28c3a531336bbb3d677d2e2d8937027
[FM] caching revision 7ab5760d084a24168f7595c38c00f4bbc2e308d9
[FM] cache miss for fastmanifest 7ab5760d084a24168f7595c38c00f4bbc2e308d9
[FM] caching revision f064a7f8e3e138341587096641d86e9d23cd9778
[FM] cache miss for fastmanifest f064a7f8e3e138341587096641d86e9d23cd9778
[FM] caching revision e3738bf5439958f89499a656982023aba57b076e
[FM] cache miss for fastmanifest e3738bf5439958f89499a656982023aba57b076e
[FM] caching revision a539ce0c1a22b0ecf34498f9f5ce8ea56df9ecb7
[FM] cache miss for fastmanifest a539ce0c1a22b0ecf34498f9f5ce8ea56df9ecb7
[FM] caching revision a0c8bcbbb45c63b90b70ad007bf38961f64f2af0
[FM] cache miss for fastmanifest a0c8bcbbb45c63b90b70ad007bf38961f64f2af0
$ hg log -r "fastmanifesttocache()" -T '{rev}\n'
0
1
2
3
4
5
$ hg log -r "fastmanifestcached()" -T '{rev}\n'
0
1
2
3
4
5
Make the entries of the cache be in a deterministic order accross platforms
to make the test deterministic:
>>> import os
>>> files = sorted(os.listdir(".hg/store/manifestcache/"))
>>> basetime = 1464039920
>>> for fi in files:
... f = os.path.join(".hg/store/manifestcache", fi)
... os.utime(f, (basetime, basetime))
... assert os.path.getmtime(f) == basetime
... basetime+=10
$ hg debugcachemanifest --debug --list
[FM] caching revset: [], background(False), pruneall(False), list(True)
fast1853a742c28c3a531336bbb3d677d2e2d8937027 (size 376 bytes)
fast7ab5760d084a24168f7595c38c00f4bbc2e308d9 (size 328 bytes)
fasta0c8bcbbb45c63b90b70ad007bf38961f64f2af0 (size 136 bytes)
fasta539ce0c1a22b0ecf34498f9f5ce8ea56df9ecb7 (size 184 bytes)
faste3738bf5439958f89499a656982023aba57b076e (size 232 bytes)
fastf064a7f8e3e138341587096641d86e9d23cd9778 (size 280 bytes)
cache size is: 1.50 KB
number of entries is: 6
Check that trimming to a limit higher than what is cached does nothing
$ hg debugcachemanifest --debug --limit=2048
[FM] caching revset: [], background(False), pruneall(False), list(False)
[FM] nothing to do, cache size < limit
Trim the cache to at most 1kb
$ hg debugcachemanifest --debug --limit=1024
[FM] caching revset: [], background(False), pruneall(False), list(False)
[FM] removing cached manifest fast7ab5760d084a24168f7595c38c00f4bbc2e308d9
[FM] removing cached manifest fast1853a742c28c3a531336bbb3d677d2e2d8937027
$ hg debugcachemanifest --debug --list
[FM] caching revset: [], background(False), pruneall(False), list(True)
fasta0c8bcbbb45c63b90b70ad007bf38961f64f2af0 (size 136 bytes)
fasta539ce0c1a22b0ecf34498f9f5ce8ea56df9ecb7 (size 184 bytes)
faste3738bf5439958f89499a656982023aba57b076e (size 232 bytes)
fastf064a7f8e3e138341587096641d86e9d23cd9778 (size 280 bytes)
cache size is: 832 bytes
number of entries is: 4
$ hg log -r "fastmanifestcached()" -T '{rev}\n'
0
1
2
3
Trim the cache to at most 512 bytes
$ hg debugcachemanifest --debug --limit=512
[FM] caching revset: [], background(False), pruneall(False), list(False)
[FM] removing cached manifest fasta539ce0c1a22b0ecf34498f9f5ce8ea56df9ecb7
[FM] removing cached manifest fasta0c8bcbbb45c63b90b70ad007bf38961f64f2af0
$ hg debugcachemanifest --debug --list
[FM] caching revset: [], background(False), pruneall(False), list(True)
faste3738bf5439958f89499a656982023aba57b076e (size 232 bytes)
fastf064a7f8e3e138341587096641d86e9d23cd9778 (size 280 bytes)
cache size is: 512 bytes
number of entries is: 2
$ hg log -r "fastmanifestcached()" -T '{rev}\n'
2
3
Trim the cache to at most 100 bytes
$ hg debugcachemanifest --debug --limit=100
[FM] caching revset: [], background(False), pruneall(False), list(False)
[FM] removing cached manifest fastf064a7f8e3e138341587096641d86e9d23cd9778
[FM] removing cached manifest faste3738bf5439958f89499a656982023aba57b076e
$ hg debugcachemanifest --debug --list
[FM] caching revset: [], background(False), pruneall(False), list(True)
cache size is: 0 bytes
number of entries is: 0
Check that trimming the cache to 0 byte works
$ hg debugcachemanifest -a
Make the results deterministic
>>> import os
>>> files = sorted(os.listdir(".hg/store/manifestcache/"))
>>> basetime = 1464039920
>>> for fi in files:
... f = os.path.join(".hg/store/manifestcache", fi)
... os.utime(f, (basetime, basetime))
... assert os.path.getmtime(f) == basetime
... basetime+=10
$ hg debugcachemanifest --debug --list
[FM] caching revset: [], background(False), pruneall(False), list(True)
fast1853a742c28c3a531336bbb3d677d2e2d8937027 (size 376 bytes)
fast7ab5760d084a24168f7595c38c00f4bbc2e308d9 (size 328 bytes)
fasta0c8bcbbb45c63b90b70ad007bf38961f64f2af0 (size 136 bytes)
fasta539ce0c1a22b0ecf34498f9f5ce8ea56df9ecb7 (size 184 bytes)
faste3738bf5439958f89499a656982023aba57b076e (size 232 bytes)
fastf064a7f8e3e138341587096641d86e9d23cd9778 (size 280 bytes)
cache size is: 1.50 KB
number of entries is: 6
$ hg debugcachemanifest --debug --limit=0
[FM] caching revset: [], background(False), pruneall(False), list(False)
[FM] removing cached manifest fastf064a7f8e3e138341587096641d86e9d23cd9778
[FM] removing cached manifest faste3738bf5439958f89499a656982023aba57b076e
[FM] removing cached manifest fasta539ce0c1a22b0ecf34498f9f5ce8ea56df9ecb7
[FM] removing cached manifest fasta0c8bcbbb45c63b90b70ad007bf38961f64f2af0
[FM] removing cached manifest fast7ab5760d084a24168f7595c38c00f4bbc2e308d9
[FM] removing cached manifest fast1853a742c28c3a531336bbb3d677d2e2d8937027
$ hg debugcachemanifest --debug --list
[FM] caching revset: [], background(False), pruneall(False), list(True)
cache size is: 0 bytes
number of entries is: 0
Use the cache in a commit.
$ hg debugcachemanifest -a
$ mkcommit g
$ cd ..