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run-tests: mechanism to report exceptions during test execution...
run-tests: mechanism to report exceptions during test execution Sometimes when running tests you introduce a ton of exceptions. The most extreme example of this is running Mercurial with Python 3, which currently spews thousands of exceptions when running the test harness. This commit adds an opt-in feature to run-tests.py to aggregate exceptions encountered by `hg` when running tests. When --exceptions is used, the test harness enables the "logexceptions" extension in the test environment. This extension wraps the Mercurial function to handle exceptions and writes information about the exception to a random filename in a directory defined by the test harness via an environment variable. At the end of the test harness, these files are parsed, aggregated, and a list of all unique Mercurial frames triggering exceptions is printed in order of frequency. This feature is intended to aid Python 3 development. I've only really tested it on Python 3. There is no shortage of improvements that could be made. e.g. we could write a separate file containing the exception report - maybe even an HTML report. We also don't capture which tests demonstrate the exceptions, so there's no turnkey way to test whether a code change made an exception disappear. Perfect is the enemy of good. I think the current patch is useful enough to land. Whoever uses it can send patches to imprve its usefulness. Differential Revision: https://phab.mercurial-scm.org/D1477

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test-revert-interactive.t
423 lines | 7.3 KiB | text/troff | Tads3Lexer
/ tests / test-revert-interactive.t
Revert interactive tests
1 add and commit file f
2 add commit file folder1/g
3 add and commit file folder2/h
4 add and commit file folder1/i
5 commit change to file f
6 commit changes to files folder1/g folder2/h
7 commit changes to files folder1/g folder2/h
8 revert interactive to commit id 2 (line 3 above), check that folder1/i is removed and
9 make workdir match 7
10 run the same test than 8 from within folder1 and check same expectations
$ cat <<EOF >> $HGRCPATH
> [ui]
> interactive = true
> [extensions]
> record =
> purge =
> EOF
$ mkdir -p a/folder1 a/folder2
$ cd a
$ hg init
>>> open('f', 'wb').write("1\n2\n3\n4\n5\n")
$ hg add f ; hg commit -m "adding f"
$ cat f > folder1/g ; hg add folder1/g ; hg commit -m "adding folder1/g"
$ cat f > folder2/h ; hg add folder2/h ; hg commit -m "adding folder2/h"
$ cat f > folder1/i ; hg add folder1/i ; hg commit -m "adding folder1/i"
>>> open('f', 'wb').write("a\n1\n2\n3\n4\n5\nb\n")
$ hg commit -m "modifying f"
>>> open('folder1/g', 'wb').write("c\n1\n2\n3\n4\n5\nd\n")
$ hg commit -m "modifying folder1/g"
>>> open('folder2/h', 'wb').write("e\n1\n2\n3\n4\n5\nf\n")
$ hg commit -m "modifying folder2/h"
$ hg tip
changeset: 6:59dd6e4ab63a
tag: tip
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: modifying folder2/h
$ hg revert -i -r 2 --all -- << EOF
> y
> y
> y
> y
> y
> ?
> y
> n
> n
> EOF
reverting f
reverting folder1/g (glob)
removing folder1/i (glob)
reverting folder2/h (glob)
remove added file folder1/i (Yn)? y
diff --git a/f b/f
2 hunks, 2 lines changed
examine changes to 'f'? [Ynesfdaq?] y
@@ -1,6 +1,5 @@
-a
1
2
3
4
5
apply change 1/6 to 'f'? [Ynesfdaq?] y
@@ -2,6 +1,5 @@
1
2
3
4
5
-b
apply change 2/6 to 'f'? [Ynesfdaq?] y
diff --git a/folder1/g b/folder1/g
2 hunks, 2 lines changed
examine changes to 'folder1/g'? [Ynesfdaq?] y
@@ -1,6 +1,5 @@
-c
1
2
3
4
5
apply change 3/6 to 'folder1/g'? [Ynesfdaq?] ?
y - yes, apply this change
n - no, skip this change
e - edit this change manually
s - skip remaining changes to this file
f - apply remaining changes to this file
d - done, skip remaining changes and files
a - apply all changes to all remaining files
q - quit, applying no changes
? - ? (display help)
apply change 3/6 to 'folder1/g'? [Ynesfdaq?] y
@@ -2,6 +1,5 @@
1
2
3
4
5
-d
apply change 4/6 to 'folder1/g'? [Ynesfdaq?] n
diff --git a/folder2/h b/folder2/h
2 hunks, 2 lines changed
examine changes to 'folder2/h'? [Ynesfdaq?] n
$ cat f
1
2
3
4
5
$ cat folder1/g
1
2
3
4
5
d
$ cat folder2/h
e
1
2
3
4
5
f
Test that --interactive lift the need for --all
$ echo q | hg revert -i -r 2
reverting folder1/g (glob)
reverting folder2/h (glob)
diff --git a/folder1/g b/folder1/g
1 hunks, 1 lines changed
examine changes to 'folder1/g'? [Ynesfdaq?] q
abort: user quit
[255]
$ ls folder1/
g
Test that a noop revert doesn't do an unnecessary backup
$ (echo y; echo n) | hg revert -i -r 2 folder1/g
diff --git a/folder1/g b/folder1/g
1 hunks, 1 lines changed
examine changes to 'folder1/g'? [Ynesfdaq?] y
@@ -3,4 +3,3 @@
3
4
5
-d
apply this change to 'folder1/g'? [Ynesfdaq?] n
$ ls folder1/
g
Test --no-backup
$ (echo y; echo y) | hg revert -i -C -r 2 folder1/g
diff --git a/folder1/g b/folder1/g
1 hunks, 1 lines changed
examine changes to 'folder1/g'? [Ynesfdaq?] y
@@ -3,4 +3,3 @@
3
4
5
-d
apply this change to 'folder1/g'? [Ynesfdaq?] y
$ ls folder1/
g
>>> open('folder1/g', 'wb').write("1\n2\n3\n4\n5\nd\n")
$ hg update -C 6
3 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg revert -i -r 2 --all -- << EOF
> n
> y
> y
> y
> y
> y
> n
> n
> EOF
reverting f
reverting folder1/g (glob)
removing folder1/i (glob)
reverting folder2/h (glob)
remove added file folder1/i (Yn)? n
diff --git a/f b/f
2 hunks, 2 lines changed
examine changes to 'f'? [Ynesfdaq?] y
@@ -1,6 +1,5 @@
-a
1
2
3
4
5
apply change 1/6 to 'f'? [Ynesfdaq?] y
@@ -2,6 +1,5 @@
1
2
3
4
5
-b
apply change 2/6 to 'f'? [Ynesfdaq?] y
diff --git a/folder1/g b/folder1/g
2 hunks, 2 lines changed
examine changes to 'folder1/g'? [Ynesfdaq?] y
@@ -1,6 +1,5 @@
-c
1
2
3
4
5
apply change 3/6 to 'folder1/g'? [Ynesfdaq?] y
@@ -2,6 +1,5 @@
1
2
3
4
5
-d
apply change 4/6 to 'folder1/g'? [Ynesfdaq?] n
diff --git a/folder2/h b/folder2/h
2 hunks, 2 lines changed
examine changes to 'folder2/h'? [Ynesfdaq?] n
$ cat f
1
2
3
4
5
$ cat folder1/g
1
2
3
4
5
d
$ cat folder2/h
e
1
2
3
4
5
f
$ hg st
M f
M folder1/g
$ hg revert --interactive f << EOF
> y
> ?
> y
> n
> n
> EOF
diff --git a/f b/f
2 hunks, 2 lines changed
examine changes to 'f'? [Ynesfdaq?] y
@@ -1,6 +1,5 @@
-a
1
2
3
4
5
discard change 1/2 to 'f'? [Ynesfdaq?] ?
y - yes, discard this change
n - no, skip this change
e - edit this change manually
s - skip remaining changes to this file
f - discard remaining changes to this file
d - done, skip remaining changes and files
a - discard all changes to all remaining files
q - quit, discarding no changes
? - ? (display help)
discard change 1/2 to 'f'? [Ynesfdaq?] y
@@ -2,6 +1,5 @@
1
2
3
4
5
-b
discard change 2/2 to 'f'? [Ynesfdaq?] n
$ hg st
M f
M folder1/g
? f.orig
$ cat f
a
1
2
3
4
5
$ cat f.orig
1
2
3
4
5
$ rm f.orig
$ hg update -C .
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
Check editing files newly added by a revert
1) Create a dummy editor changing 1 to 42
$ cat > $TESTTMP/editor.sh << '__EOF__'
> cat "$1" | sed "s/1/42/g" > tt
> mv tt "$1"
> __EOF__
2) Add k
$ printf "1\n" > k
$ hg add k
$ hg commit -m "add k"
3) Use interactive revert with editing (replacing +1 with +42):
$ printf "0\n2\n" > k
$ HGEDITOR="\"sh\" \"${TESTTMP}/editor.sh\"" hg revert -i <<EOF
> y
> e
> EOF
reverting k
diff --git a/k b/k
1 hunks, 2 lines changed
examine changes to 'k'? [Ynesfdaq?] y
@@ -1,1 +1,2 @@
-1
+0
+2
discard this change to 'k'? [Ynesfdaq?] e
$ cat k
42
$ hg update -C .
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg purge
$ touch newfile
$ hg add newfile
$ hg status
A newfile
$ hg revert -i <<EOF
> n
> EOF
forgetting newfile
forget added file newfile (Yn)? n
$ hg status
A newfile
$ hg revert -i <<EOF
> y
> EOF
forgetting newfile
forget added file newfile (Yn)? y
$ hg status
? newfile
When a line without EOL is selected during "revert -i" (issue5651)
$ hg init $TESTTMP/revert-i-eol
$ cd $TESTTMP/revert-i-eol
$ echo 0 > a
$ hg ci -qAm 0
$ printf 1 >> a
$ hg ci -qAm 1
$ cat a
0
1 (no-eol)
$ hg revert -ir'.^' <<EOF
> y
> y
> EOF
reverting a
diff --git a/a b/a
1 hunks, 1 lines changed
examine changes to 'a'? [Ynesfdaq?] y
@@ -1,2 +1,1 @@
0
-1
\ No newline at end of file
apply this change to 'a'? [Ynesfdaq?] y
$ cat a
0
$ cd ..