tests: add tests and document expectations from visit_children_set in rust
The tests this patch are adding have the form of formal spec in
invariants::visit_children_set::holds,
and then a series of checks that all examples must satisfy this
formal spec.
I tried to make the spec consistent with how this function is used
and how it was originally conceived. This is in conflict with how it's
documented in Rust. Some of the implementations also fail to implement
this spec, which leads to bugs, in particular when complicated patterns
are used with `hg status`.
test sparse with --verbose and -T json
$ hg init myrepo
$ cd myrepo
$ cat > .hg/hgrc <<EOF
> [extensions]
> sparse=
> strip=
> EOF
$ echo a > show
$ echo x > hide
$ hg ci -Aqm 'initial'
$ echo b > show
$ echo y > hide
$ echo aa > show2
$ echo xx > hide2
$ hg ci -Aqm 'two'
Verify basic --include and --reset
$ hg up -q 0
$ hg debugsparse --include 'hide' -Tjson
[
{
"exclude_rules_added": 0,
"files_added": 0,
"files_conflicting": 0,
"files_dropped": 1,
"include_rules_added": 1,
"profiles_added": 0
}
]
$ hg debugsparse --clear-rules
$ hg debugsparse --include 'hide' --verbose
removing show
Profiles changed: 0
Include rules changed: 1
Exclude rules changed: 0
$ hg debugsparse --reset -Tjson
[
{
"exclude_rules_added": 0,
"files_added": 1,
"files_conflicting": 0,
"files_dropped": 0,
"include_rules_added": -1,
"profiles_added": 0
}
]
$ hg debugsparse --include 'hide'
$ hg debugsparse --reset --verbose
getting show
Profiles changed: 0
Include rules changed: -1
Exclude rules changed: 0
Verifying that problematic files still allow us to see the deltas when forcing:
$ hg debugsparse --include 'show*'
$ touch hide
$ hg debugsparse --delete 'show*' --force -Tjson
pending changes to 'hide'
[
{
"exclude_rules_added": 0,
"files_added": 0,
"files_conflicting": 1,
"files_dropped": 0,
"include_rules_added": -1,
"profiles_added": 0
}
]
$ hg debugsparse --include 'show*' --force
pending changes to 'hide'
$ hg debugsparse --delete 'show*' --force --verbose
pending changes to 'hide'
Profiles changed: 0
Include rules changed: -1
Exclude rules changed: 0