config: add a test for priority when includes are involved

Differential Revision: https://phab.mercurial-scm.org/D9915

tests/test-config.t

@@ -1,390 +1,413
 hide outer repo
   $ hg init
 
 Invalid syntax: no value
 
   $ cat > .hg/hgrc << EOF
   > novaluekey
   > EOF
   $ hg showconfig
   config error at $TESTTMP/.hg/hgrc:1: novaluekey
   [30]
 
 Invalid syntax: no key
 
   $ cat > .hg/hgrc << EOF
   > =nokeyvalue
   > EOF
   $ hg showconfig
   config error at $TESTTMP/.hg/hgrc:1: =nokeyvalue
   [30]
 
 Test hint about invalid syntax from leading white space
 
   $ cat > .hg/hgrc << EOF
   >  key=value
   > EOF
   $ hg showconfig
   config error at $TESTTMP/.hg/hgrc:1: unexpected leading whitespace:  key=value
   [30]
 
   $ cat > .hg/hgrc << EOF
   >  [section]
   > key=value
   > EOF
   $ hg showconfig
   config error at $TESTTMP/.hg/hgrc:1: unexpected leading whitespace:  [section]
   [30]
 
 Reset hgrc
 
   $ echo > .hg/hgrc
 
 Test case sensitive configuration
 
   $ cat <<EOF >> $HGRCPATH
   > [Section]
   > KeY = Case Sensitive
   > key = lower case
   > EOF
 
   $ hg showconfig Section
   Section.KeY=Case Sensitive
   Section.key=lower case
 
   $ hg showconfig Section -Tjson
   [
    {
     "defaultvalue": null,
     "name": "Section.KeY",
     "source": "*.hgrc:*", (glob)
     "value": "Case Sensitive"
    },
    {
     "defaultvalue": null,
     "name": "Section.key",
     "source": "*.hgrc:*", (glob)
     "value": "lower case"
    }
   ]
   $ hg showconfig Section.KeY -Tjson
   [
    {
     "defaultvalue": null,
     "name": "Section.KeY",
     "source": "*.hgrc:*", (glob)
     "value": "Case Sensitive"
    }
   ]
   $ hg showconfig -Tjson | tail -7
    {
     "defaultvalue": null,
     "name": "*", (glob)
     "source": "*", (glob)
     "value": "*" (glob)
    }
   ]
 
 Test config default of various types:
 
  {"defaultvalue": ""} for -T'json(defaultvalue)' looks weird, but that's
  how the templater works. Unknown keywords are evaluated to "".
 
  dynamicdefault
 
   $ hg config --config alias.foo= alias -Tjson
   [
    {
     "name": "alias.foo",
     "source": "--config",
     "value": ""
    }
   ]
   $ hg config --config alias.foo= alias -T'json(defaultvalue)'
   [
    {"defaultvalue": ""}
   ]
   $ hg config --config alias.foo= alias -T'{defaultvalue}\n'
   
 
  null
 
   $ hg config --config auth.cookiefile= auth -Tjson
   [
    {
     "defaultvalue": null,
     "name": "auth.cookiefile",
     "source": "--config",
     "value": ""
    }
   ]
   $ hg config --config auth.cookiefile= auth -T'json(defaultvalue)'
   [
    {"defaultvalue": null}
   ]
   $ hg config --config auth.cookiefile= auth -T'{defaultvalue}\n'
   
 
  false
 
   $ hg config --config commands.commit.post-status= commands -Tjson
   [
    {
     "defaultvalue": false,
     "name": "commands.commit.post-status",
     "source": "--config",
     "value": ""
    }
   ]
   $ hg config --config commands.commit.post-status= commands -T'json(defaultvalue)'
   [
    {"defaultvalue": false}
   ]
   $ hg config --config commands.commit.post-status= commands -T'{defaultvalue}\n'
   False
 
  true
 
   $ hg config --config format.dotencode= format -Tjson
   [
    {
     "defaultvalue": true,
     "name": "format.dotencode",
     "source": "--config",
     "value": ""
    }
   ]
   $ hg config --config format.dotencode= format -T'json(defaultvalue)'
   [
    {"defaultvalue": true}
   ]
   $ hg config --config format.dotencode= format -T'{defaultvalue}\n'
   True
 
  bytes
 
   $ hg config --config commands.resolve.mark-check= commands -Tjson
   [
    {
     "defaultvalue": "none",
     "name": "commands.resolve.mark-check",
     "source": "--config",
     "value": ""
    }
   ]
   $ hg config --config commands.resolve.mark-check= commands -T'json(defaultvalue)'
   [
    {"defaultvalue": "none"}
   ]
   $ hg config --config commands.resolve.mark-check= commands -T'{defaultvalue}\n'
   none
 
  empty list
 
   $ hg config --config commands.show.aliasprefix= commands -Tjson
   [
    {
     "defaultvalue": [],
     "name": "commands.show.aliasprefix",
     "source": "--config",
     "value": ""
    }
   ]
   $ hg config --config commands.show.aliasprefix= commands -T'json(defaultvalue)'
   [
    {"defaultvalue": []}
   ]
   $ hg config --config commands.show.aliasprefix= commands -T'{defaultvalue}\n'
   
 
  nonempty list
 
   $ hg config --config progress.format= progress -Tjson
   [
    {
     "defaultvalue": ["topic", "bar", "number", "estimate"],
     "name": "progress.format",
     "source": "--config",
     "value": ""
    }
   ]
   $ hg config --config progress.format= progress -T'json(defaultvalue)'
   [
    {"defaultvalue": ["topic", "bar", "number", "estimate"]}
   ]
   $ hg config --config progress.format= progress -T'{defaultvalue}\n'
   topic bar number estimate
 
  int
 
   $ hg config --config profiling.freq= profiling -Tjson
   [
    {
     "defaultvalue": 1000,
     "name": "profiling.freq",
     "source": "--config",
     "value": ""
    }
   ]
   $ hg config --config profiling.freq= profiling -T'json(defaultvalue)'
   [
    {"defaultvalue": 1000}
   ]
   $ hg config --config profiling.freq= profiling -T'{defaultvalue}\n'
   1000
 
  float
 
   $ hg config --config profiling.showmax= profiling -Tjson
   [
    {
     "defaultvalue": 0.999,
     "name": "profiling.showmax",
     "source": "--config",
     "value": ""
    }
   ]
   $ hg config --config profiling.showmax= profiling -T'json(defaultvalue)'
   [
    {"defaultvalue": 0.999}
   ]
   $ hg config --config profiling.showmax= profiling -T'{defaultvalue}\n'
   0.999
 
 Test empty config source:
 
   $ cat <<EOF > emptysource.py
   > def reposetup(ui, repo):
   >     ui.setconfig(b'empty', b'source', b'value')
   > EOF
   $ cp .hg/hgrc .hg/hgrc.orig
   $ cat <<EOF >> .hg/hgrc
   > [extensions]
   > emptysource = `pwd`/emptysource.py
   > EOF
 
   $ hg config --debug empty.source
   read config from: * (glob)
   none: value
   $ hg config empty.source -Tjson
   [
    {
     "defaultvalue": null,
     "name": "empty.source",
     "source": "",
     "value": "value"
    }
   ]
 
   $ cp .hg/hgrc.orig .hg/hgrc
 
 Test "%unset"
 
   $ cat >> $HGRCPATH <<EOF
   > [unsettest]
   > local-hgrcpath = should be unset (HGRCPATH)
   > %unset local-hgrcpath
   > 
   > global = should be unset (HGRCPATH)
   > 
   > both = should be unset (HGRCPATH)
   > 
   > set-after-unset = should be unset (HGRCPATH)
   > EOF
 
   $ cat >> .hg/hgrc <<EOF
   > [unsettest]
   > local-hgrc = should be unset (.hg/hgrc)
   > %unset local-hgrc
   > 
   > %unset global
   > 
   > both = should be unset (.hg/hgrc)
   > %unset both
   > 
   > set-after-unset = should be unset (.hg/hgrc)
   > %unset set-after-unset
   > set-after-unset = should be set (.hg/hgrc)
   > EOF
 
   $ hg showconfig unsettest
   unsettest.set-after-unset=should be set (.hg/hgrc)
 
 Test exit code when no config matches
 
   $ hg config Section.idontexist
   [1]
 
 sub-options in [paths] aren't expanded
 
   $ cat > .hg/hgrc << EOF
   > [paths]
   > foo = ~/foo
   > foo:suboption = ~/foo
   > EOF
 
   $ hg showconfig paths
   paths.foo:suboption=~/foo
   paths.foo=$TESTTMP/foo
 
 edit failure
 
   $ HGEDITOR=false hg config --edit
   abort: edit failed: false exited with status 1
   [10]
 
 config affected by environment variables
 
   $ EDITOR=e1 VISUAL=e2 hg config --debug | grep 'ui\.editor'
   $VISUAL: ui.editor=e2
 
   $ VISUAL=e2 hg config --debug --config ui.editor=e3 | grep 'ui\.editor'
   --config: ui.editor=e3
 
   $ PAGER=p1 hg config --debug | grep 'pager\.pager'
   $PAGER: pager.pager=p1
 
   $ PAGER=p1 hg config --debug --config pager.pager=p2 | grep 'pager\.pager'
   --config: pager.pager=p2
 
 verify that aliases are evaluated as well
 
   $ hg init aliastest
   $ cd aliastest
   $ cat > .hg/hgrc << EOF
   > [ui]
   > user = repo user
   > EOF
   $ touch index
   $ unset HGUSER
   $ hg ci -Am test
   adding index
   $ hg log --template '{author}\n'
   repo user
   $ cd ..
 
 alias has lower priority
 
   $ hg init aliaspriority
   $ cd aliaspriority
   $ cat > .hg/hgrc << EOF
   > [ui]
   > user = alias user
   > username = repo user
   > EOF
   $ touch index
   $ unset HGUSER
   $ hg ci -Am test
   adding index
   $ hg log --template '{author}\n'
   repo user
   $ cd ..
 
 configs should be read in lexicographical order
 
   $ mkdir configs
   $ for i in `$TESTDIR/seq.py 10 99`; do
   >    printf "[section]\nkey=$i" > configs/$i.rc
   > done
   $ HGRCPATH=configs hg config section.key
   99
+
+Configuration priority
+======================
+
+setup necessary file
+
+  $ cat > file-A.rc << EOF
+  > [config-test]
+  > basic = value-A
+  > EOF
+
+  $ cat > file-B.rc << EOF
+  > [config-test]
+  > basic = value-B
+  > EOF
+
+Simple order checking
+---------------------
+
+If file B is read after file A, value from B overwrite value from A.
+
+  $ HGRCPATH="file-A.rc:file-B.rc" hg config config-test.basic
+  value-B