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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
Saurabh Singh - - Load All Authors

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test-commit-interactive-curses.t
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#require tic
Set up a repo
$ cp $HGRCPATH $HGRCPATH.pretest
$ cat <<EOF >> $HGRCPATH
> [ui]
> interactive = true
> interface = curses
> [experimental]
> crecordtest = testModeCommands
> EOF
Record with noeol at eof (issue5268)
$ hg init noeol
$ cd noeol
$ printf '0' > a
$ printf '0\n' > b
$ hg ci -Aqm initial
$ printf '1\n0' > a
$ printf '1\n0\n' > b
$ cat <<EOF >testModeCommands
> c
> EOF
$ HGEDITOR="\"sh\" \"`pwd`/editor.sh\"" hg commit -i -m "add hunks" -d "0 0"
$ cd ..
Normal repo
$ hg init a
$ cd a
Committing some changes but stopping on the way
$ echo "a" > a
$ hg add a
$ cat <<EOF >testModeCommands
> TOGGLE
> X
> EOF
$ hg commit -i -m "a" -d "0 0"
no changes to record
[1]
$ hg tip
changeset: -1:000000000000
tag: tip
user:
date: Thu Jan 01 00:00:00 1970 +0000
Committing some changes
$ cat <<EOF >testModeCommands
> X
> EOF
$ hg commit -i -m "a" -d "0 0"
$ hg tip
changeset: 0:cb9a9f314b8b
tag: tip
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: a
Check that commit -i works with no changes
$ hg commit -i
no changes to record
[1]
Committing only one file
$ echo "a" >> a
>>> open('b', 'wb').write("1\n2\n3\n4\n5\n6\n7\n8\n9\n10\n")
$ hg add b
$ cat <<EOF >testModeCommands
> TOGGLE
> KEY_DOWN
> X
> EOF
$ hg commit -i -m "one file" -d "0 0"
$ hg tip
changeset: 1:fb2705a663ea
tag: tip
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: one file
$ hg cat -r tip a
a
$ cat a
a
a
Committing only one hunk while aborting edition of hunk
- Untoggle all the hunks, go down to the second file
- unfold it
- go down to second hunk (1 for the first hunk, 1 for the first hunkline, 1 for the second hunk, 1 for the second hunklike)
- toggle the second hunk
- toggle on and off the amend mode (to check that it toggles off)
- edit the hunk and quit the editor immediately with non-zero status
- commit
$ printf "printf 'editor ran\n'; exit 1" > editor.sh
$ echo "x" > c
$ cat b >> c
$ echo "y" >> c
$ mv c b
$ cat <<EOF >testModeCommands
> A
> KEY_DOWN
> f
> KEY_DOWN
> KEY_DOWN
> KEY_DOWN
> KEY_DOWN
> TOGGLE
> a
> a
> e
> X
> EOF
$ HGEDITOR="\"sh\" \"`pwd`/editor.sh\"" hg commit -i -m "one hunk" -d "0 0"
editor ran
$ rm editor.sh
$ hg tip
changeset: 2:7d10dfe755a8
tag: tip
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: one hunk
$ hg cat -r tip b
1
2
3
4
5
6
7
8
9
10
y
$ cat b
x
1
2
3
4
5
6
7
8
9
10
y
$ hg commit -m "other hunks"
$ hg tip
changeset: 3:a6735021574d
tag: tip
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: other hunks
$ hg cat -r tip b
x
1
2
3
4
5
6
7
8
9
10
y
Newly added files can be selected with the curses interface
$ hg update -C .
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ echo "hello" > x
$ hg add x
$ cat <<EOF >testModeCommands
> TOGGLE
> TOGGLE
> X
> EOF
$ hg st
A x
? testModeCommands
$ hg commit -i -m "newly added file" -d "0 0"
$ hg st
? testModeCommands
Amend option works
$ echo "hello world" > x
$ hg diff -c .
diff -r a6735021574d -r 2b0e9be4d336 x
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/x Thu Jan 01 00:00:00 1970 +0000
@@ -0,0 +1,1 @@
+hello
$ cat <<EOF >testModeCommands
> a
> X
> EOF
$ hg commit -i -m "newly added file" -d "0 0"
saved backup bundle to $TESTTMP/a/.hg/strip-backup/2b0e9be4d336-3cf0bc8c-amend.hg (glob)
$ hg diff -c .
diff -r a6735021574d -r c1d239d165ae x
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/x Thu Jan 01 00:00:00 1970 +0000
@@ -0,0 +1,1 @@
+hello world
Editing a hunk puts you back on that hunk when done editing (issue5041)
To do that, we change two lines in a file, pretend to edit the second line,
exit, toggle the line selected at the end of the edit and commit.
The first line should be recorded if we were put on the second line at the end
of the edit.
$ hg update -C .
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ echo "foo" > x
$ echo "hello world" >> x
$ echo "bar" >> x
$ cat <<EOF >testModeCommands
> f
> KEY_DOWN
> KEY_DOWN
> KEY_DOWN
> KEY_DOWN
> e
> TOGGLE
> X
> EOF
$ printf "printf 'editor ran\n'; exit 0" > editor.sh
$ HGEDITOR="\"sh\" \"`pwd`/editor.sh\"" hg commit -i -m "edit hunk" -d "0 0"
editor ran
$ hg cat -r . x
foo
hello world
Testing the review option. The entire final filtered patch should show
up in the editor and be editable. We will unselect the second file and
the first hunk of the third file. During review, we will decide that
"lower" sounds better than "bottom", and the final commit should
reflect this edition.
$ hg update -C .
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ echo "top" > c
$ cat x >> c
$ echo "bottom" >> c
$ mv c x
$ echo "third a" >> a
$ echo "we will unselect this" >> b
$ cat > editor.sh <<EOF
> cat "\$1"
> cat "\$1" | sed s/bottom/lower/ > tmp
> mv tmp "\$1"
> EOF
$ cat > testModeCommands <<EOF
> KEY_DOWN
> TOGGLE
> KEY_DOWN
> f
> KEY_DOWN
> TOGGLE
> R
> EOF
$ HGEDITOR="\"sh\" \"`pwd`/editor.sh\"" hg commit -i -m "review hunks" -d "0 0"
# To remove '-' lines, make them ' ' lines (context).
# To remove '+' lines, delete them.
# Lines starting with # will be removed from the patch.
#
# If the patch applies cleanly, the edited patch will immediately
# be finalised. If it does not apply cleanly, rejects files will be
# generated. You can use those when you try again.
diff --git a/a b/a
--- a/a
+++ b/a
@@ -1,2 +1,3 @@
a
a
+third a
diff --git a/x b/x
--- a/x
+++ b/x
@@ -1,2 +1,3 @@
foo
hello world
+bottom
$ hg cat -r . a
a
a
third a
$ hg cat -r . b
x
1
2
3
4
5
6
7
8
9
10
y
$ hg cat -r . x
foo
hello world
lower
Check spacemovesdown
$ cat <<EOF >> $HGRCPATH
> [experimental]
> spacemovesdown = true
> EOF
$ cat <<EOF >testModeCommands
> TOGGLE
> TOGGLE
> X
> EOF
$ hg status -q
M b
M x
$ hg commit -i -m "nothing to commit?" -d "0 0"
no changes to record
[1]
Check ui.interface logic for the chunkselector
The default interface is text
$ cp $HGRCPATH.pretest $HGRCPATH
$ chunkselectorinterface() {
> $PYTHON <<EOF
> from mercurial import hg, ui;\
> repo = hg.repository(ui.ui.load(), ".");\
> print(repo.ui.interface("chunkselector"))
> EOF
> }
$ chunkselectorinterface
text
If only the default is set, we'll use that for the feature, too
$ cp $HGRCPATH.pretest $HGRCPATH
$ cat <<EOF >> $HGRCPATH
> [ui]
> interface = curses
> EOF
$ chunkselectorinterface
curses
It is possible to override the default interface with a feature specific
interface
$ cp $HGRCPATH.pretest $HGRCPATH
$ cat <<EOF >> $HGRCPATH
> [ui]
> interface = text
> interface.chunkselector = curses
> EOF
$ chunkselectorinterface
curses
$ cp $HGRCPATH.pretest $HGRCPATH
$ cat <<EOF >> $HGRCPATH
> [ui]
> interface = curses
> interface.chunkselector = text
> EOF
$ chunkselectorinterface
text
If a bad interface name is given, we use the default value (with a nice
error message to suggest that the configuration needs to be fixed)
$ cp $HGRCPATH.pretest $HGRCPATH
$ cat <<EOF >> $HGRCPATH
> [ui]
> interface = blah
> EOF
$ chunkselectorinterface
invalid value for ui.interface: blah (using text)
text
$ cp $HGRCPATH.pretest $HGRCPATH
$ cat <<EOF >> $HGRCPATH
> [ui]
> interface = curses
> interface.chunkselector = blah
> EOF
$ chunkselectorinterface
invalid value for ui.interface.chunkselector: blah (using curses)
curses
$ cp $HGRCPATH.pretest $HGRCPATH
$ cat <<EOF >> $HGRCPATH
> [ui]
> interface = blah
> interface.chunkselector = curses
> EOF
$ chunkselectorinterface
invalid value for ui.interface: blah
curses
$ cp $HGRCPATH.pretest $HGRCPATH
$ cat <<EOF >> $HGRCPATH
> [ui]
> interface = blah
> interface.chunkselector = blah
> EOF
$ chunkselectorinterface
invalid value for ui.interface: blah
invalid value for ui.interface.chunkselector: blah (using text)
text