Mercurial > hg
view tests/test-status-rev.t @ 24545:9e0c67e84896
json: implement {tags} template
Tags is pretty easy to implement. Let's start there.
The output is slightly different from `hg tags -Tjson`. For reference,
the CLI has the following output:
[
{
"node": "e2049974f9a23176c2addb61d8f5b86e0d620490",
"rev": 29880,
"tag": "tip",
"type": ""
},
...
]
Our output has the format:
{
"node": "0aeb19ea57a6d223bacddda3871cb78f24b06510",
"tags": [
{
"node": "e2049974f9a23176c2addb61d8f5b86e0d620490",
"tag": "tag1",
"date": [1427775457.0, 25200]
},
...
]
}
"rev" is omitted because it isn't a reliable identifier. We shouldn't
be exposing them in web APIs and giving the impression it remotely
resembles a stable identifier. Perhaps we could one day hide this behind
a config option (it might be useful to expose when running servers
locally).
The "type" of the tag isn't defined because this information isn't yet
exposed to the hgweb templater (it could be in a follow-up) and because
it is questionable whether different types should be exposed at all.
(Should the web interface really be exposing "local" tags?)
We use an object for the outer type instead of Array for a few reasons.
First, it is extensible. If we ever need to throw more global properties
into the output, we can do that without breaking backwards compatibility
(property additions should be backwards compatible). Second, uniformity
in web APIs is nice. Having everything return objects seems much saner than
a mix of array and object. Third, there are security issues with arrays
in older browsers. The JSON web services world almost never uses arrays
as the main type for this reason.
Another possibly controversial part about this patch is how dates are
defined. While JSON has a Date type, it is based on the JavaScript Date
type, which is widely considered a pile of garbage. It is a non-starter
for this reason.
Many of Mercurial's built-in date filters drop seconds resolution. So
that's a non-starter as well, since we want the API to be lossless where
possible. rfc3339date, rfc822date, isodatesec, and date are all lossless.
However, they each require the client to perform string parsing on top of
JSON decoding. While date parsing libraries are pretty ubiquitous, some
languages don't have them out of the box. However, pretty much every
programming language can deal with UNIX timestamps (which are just
integers or floats). So, we choose to use Mercurial's internal date
representation, which in JSON is modeled as float seconds since UNIX
epoch and an integer timezone offset from UTC (keep in mind
JavaScript/JSON models all "Numbers" as double prevision floating point
numbers, so there isn't a difference between ints and floats in JSON).
author | Gregory Szorc <gregory.szorc@gmail.com> |
---|---|
date | Tue, 31 Mar 2015 14:52:21 -0700 |
parents | ccbaa2ed11a4 |
children | 75be14993fda |
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Tests of 'hg status --rev <rev>' to make sure status between <rev> and '.' get combined correctly with the dirstate status. $ hg init First commit $ python $TESTDIR/generate-working-copy-states.py state 2 1 $ hg addremove --similarity 0 adding content1_content1_content1-tracked adding content1_content1_content1-untracked adding content1_content1_content3-tracked adding content1_content1_content3-untracked adding content1_content1_missing-tracked adding content1_content1_missing-untracked adding content1_content2_content1-tracked adding content1_content2_content1-untracked adding content1_content2_content2-tracked adding content1_content2_content2-untracked adding content1_content2_content3-tracked adding content1_content2_content3-untracked adding content1_content2_missing-tracked adding content1_content2_missing-untracked adding content1_missing_content1-tracked adding content1_missing_content1-untracked adding content1_missing_content3-tracked adding content1_missing_content3-untracked adding content1_missing_missing-tracked adding content1_missing_missing-untracked $ hg commit -m first Second commit $ python $TESTDIR/generate-working-copy-states.py state 2 2 $ hg addremove --similarity 0 removing content1_missing_content1-tracked removing content1_missing_content1-untracked removing content1_missing_content3-tracked removing content1_missing_content3-untracked removing content1_missing_missing-tracked removing content1_missing_missing-untracked adding missing_content2_content2-tracked adding missing_content2_content2-untracked adding missing_content2_content3-tracked adding missing_content2_content3-untracked adding missing_content2_missing-tracked adding missing_content2_missing-untracked $ hg commit -m second Working copy $ python $TESTDIR/generate-working-copy-states.py state 2 wc $ hg addremove --similarity 0 adding content1_missing_content1-tracked adding content1_missing_content1-untracked adding content1_missing_content3-tracked adding content1_missing_content3-untracked adding content1_missing_missing-tracked adding content1_missing_missing-untracked adding missing_missing_content3-tracked adding missing_missing_content3-untracked adding missing_missing_missing-tracked adding missing_missing_missing-untracked $ hg forget *_*_*-untracked $ rm *_*_missing-* Status compared to parent of the working copy, i.e. the dirstate status $ hg status -A --rev 1 'glob:missing_content2_content3-tracked' M missing_content2_content3-tracked $ hg status -A --rev 1 'glob:missing_content2_content2-tracked' C missing_content2_content2-tracked $ hg status -A --rev 1 'glob:missing_missing_content3-tracked' A missing_missing_content3-tracked $ hg status -A --rev 1 'glob:missing_missing_content3-untracked' ? missing_missing_content3-untracked $ hg status -A --rev 1 'glob:missing_content2_*-untracked' R missing_content2_content2-untracked R missing_content2_content3-untracked R missing_content2_missing-untracked $ hg status -A --rev 1 'glob:missing_*_missing-tracked' ! missing_content2_missing-tracked ! missing_missing_missing-tracked #if windows $ hg status -A --rev 1 'glob:missing_missing_missing-untracked' missing_missing_missing-untracked: The system cannot find the file specified #else $ hg status -A --rev 1 'glob:missing_missing_missing-untracked' missing_missing_missing-untracked: No such file or directory #endif Status between first and second commit. Should ignore dirstate status. $ hg status -A --rev 0:1 'glob:content1_content2_*' M content1_content2_content1-tracked M content1_content2_content1-untracked M content1_content2_content2-tracked M content1_content2_content2-untracked M content1_content2_content3-tracked M content1_content2_content3-untracked M content1_content2_missing-tracked M content1_content2_missing-untracked $ hg status -A --rev 0:1 'glob:content1_content1_*' C content1_content1_content1-tracked C content1_content1_content1-untracked C content1_content1_content3-tracked C content1_content1_content3-untracked C content1_content1_missing-tracked C content1_content1_missing-untracked $ hg status -A --rev 0:1 'glob:missing_content2_*' A missing_content2_content2-tracked A missing_content2_content2-untracked A missing_content2_content3-tracked A missing_content2_content3-untracked A missing_content2_missing-tracked A missing_content2_missing-untracked $ hg status -A --rev 0:1 'glob:content1_missing_*' R content1_missing_content1-tracked R content1_missing_content1-untracked R content1_missing_content3-tracked R content1_missing_content3-untracked R content1_missing_missing-tracked R content1_missing_missing-untracked $ hg status -A --rev 0:1 'glob:missing_missing_*' Status compared to one revision back, checking that the dirstate status is correctly combined with the inter-revision status $ hg status -A --rev 0 'glob:content1_*_content[23]-tracked' M content1_content1_content3-tracked M content1_content2_content2-tracked M content1_content2_content3-tracked M content1_missing_content3-tracked $ hg status -A --rev 0 'glob:content1_*_content1-tracked' C content1_content1_content1-tracked C content1_content2_content1-tracked C content1_missing_content1-tracked $ hg status -A --rev 0 'glob:missing_*_content?-tracked' A missing_content2_content2-tracked A missing_content2_content3-tracked A missing_missing_content3-tracked BROKEN: missing_content2_content[23]-untracked exist, so should be listed $ hg status -A --rev 0 'glob:missing_*_content?-untracked' ? missing_missing_content3-untracked $ hg status -A --rev 0 'glob:content1_*_*-untracked' R content1_content1_content1-untracked R content1_content1_content3-untracked R content1_content1_missing-untracked R content1_content2_content1-untracked R content1_content2_content2-untracked R content1_content2_content3-untracked R content1_content2_missing-untracked R content1_missing_content1-untracked R content1_missing_content3-untracked R content1_missing_missing-untracked $ hg status -A --rev 0 'glob:*_*_missing-tracked' ! content1_content1_missing-tracked ! content1_content2_missing-tracked ! content1_missing_missing-tracked ! missing_content2_missing-tracked ! missing_missing_missing-tracked $ hg status -A --rev 0 'glob:missing_*_missing-untracked'