#!/bin/sh
set -e

TESTDIR="$(readlink -f "$(dirname "$0")")"
. "$TESTDIR/framework"
setupenvironment
configarchitecture 'amd64' 'i386'

insertpackage 'unstable' 'foo' 'amd64' '1' 'Provides: foo-prv'

insertpackage 'unstable' 'baz1' 'amd64' '1' 'Provides: foo-prv1'
insertpackage 'unstable' 'foo1' 'amd64' '1' 'Provides: foo-prv1'

insertpackage 'unstable' 'baz2' 'amd64' '1' 'Provides: foo-prv2'
insertpackage 'unstable' 'foo2' 'amd64' '2' 'Provides: foo-prv2:amd64'

insertpackage 'unstable' 'baz3' 'amd64' '1' 'Provides: foo-prv3'
insertpackage 'unstable' 'foo3' 'i386' '2' 'Provides: foo-prv3:amd64'

insertpackage 'unstable' 'baz4' 'amd64' '1' 'Provides: foo-prv4:amd64'
insertpackage 'unstable' 'foo4' 'i386' '2' 'Provides: foo-prv4:amd64'

insertpackage 'experimental' 'baz5' 'amd64' '1' 'Provides: foo-prv5:amd64'
insertpackage 'experimental' 'foo5' 'i386' '2' 'Provides: foo-prv5:amd64'

insertpackage 'stable' 'debhelper' 'amd64,i386' '1' 'Provides: debhelper-compat (= 12)'
insertpackage 'unstable,testing' 'debhelper' 'amd64,i386' '2' 'Provides: debhelper-compat (= 13)'
insertpackage 'experimental' 'debhelper' 'amd64,i386' '3' 'Provides: debhelper-compat (= 13)'
insertpackage 'experimental' 'debhelper-ng' 'amd64,i386' '4' 'Provides: debhelper-compat (= 13)'

setupaptarchive

testsuccessequal "Reading package lists...
Building dependency tree...
Note, selecting 'foo' instead of 'foo-prv'
The following NEW packages will be installed:
  foo
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
Inst foo (1 unstable [amd64])
Conf foo (1 unstable [amd64])" aptget install foo-prv -s

testvirtuals() {
	testfailureequal "Reading package lists...
Building dependency tree...
Package $1 is a virtual package provided by:
  $3
  $2
You should explicitly select one to install.

E: Package '$1' has no installation candidate" aptget install $1 -s
}

testvirtuals 'foo-prv1' 'baz1 1' 'foo1 1'
testvirtuals 'foo-prv2' 'baz2 1' 'foo2 2'
testvirtuals 'foo-prv3' 'baz3 1' 'foo3:i386 2'
testvirtuals 'foo-prv4' 'baz4 1' 'foo4:i386 2'
testvirtuals 'foo-prv5' 'baz5 1' 'foo5:i386 2'

echo 'Package: *
Pin: release a=experimental
Pin-Priority: -1' > rootdir/etc/apt/preferences.d/experimental.pref

testfailureequal "Reading package lists...
Building dependency tree...
Package foo-prv5 is a virtual package provided by:
  foo5:i386 2 [Not candidate version]
  baz5 1 [Not candidate version]

E: Package 'foo-prv5' has no installation candidate" aptget install foo-prv5 -s

testsuccessequal 'Reading package lists...
Building dependency tree...
The following NEW packages will be installed:
  debhelper
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
Inst debhelper (2 testing, unstable [amd64])
Conf debhelper (2 testing, unstable [amd64])' apt install debhelper -s
testsuccessequal "Reading package lists...
Building dependency tree...
Note, selecting 'debhelper' instead of 'debhelper-compat'
The following NEW packages will be installed:
  debhelper
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
Inst debhelper (2 testing, unstable [amd64])
Conf debhelper (2 testing, unstable [amd64])" apt install debhelper-compat -s
testsuccessequal "Reading package lists...
Building dependency tree...
Note, selecting 'debhelper' instead of 'debhelper-compat'
Selected version '1' (stable [amd64]) for 'debhelper'
The following NEW packages will be installed:
  debhelper
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
Inst debhelper (1 stable [amd64])
Conf debhelper (1 stable [amd64])" apt install debhelper-compat=12 -s
testsuccessequal "Reading package lists...
Building dependency tree...
Note, selecting 'debhelper' instead of 'debhelper-compat'
Selected version '1' (stable [amd64]) for 'debhelper'
The following NEW packages will be installed:
  debhelper
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
Inst debhelper (1 stable [amd64])
Conf debhelper (1 stable [amd64])" apt install debhelper-compat/stable -s
# by version selection we have selected the experimental debhelper-ng here
# but dehelper stays at the candidate as it already provides 13
testfailureequal "Reading package lists...
Building dependency tree...
Package debhelper-compat is a virtual package provided by:
  debhelper 2 (= 13)
  debhelper-ng 4 (= 13)
You should explicitly select one to install.

E: Version '13' for 'debhelper-compat' was not found" apt install debhelper-compat=13 -s
testsuccessequal "Reading package lists...
Building dependency tree...
Note, selecting 'debhelper' instead of 'debhelper-compat'
Selected version '2' (testing, unstable [amd64]) for 'debhelper'
The following NEW packages will be installed:
  debhelper
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
Inst debhelper (2 testing, unstable [amd64])
Conf debhelper (2 testing, unstable [amd64])" apt install debhelper-compat/unstable -s
testfailureequal "Reading package lists...
Building dependency tree...
Package debhelper-compat is a virtual package provided by:
  debhelper-ng 4 (= 13)
  debhelper 3 (= 13)
You should explicitly select one to install.

E: Version '13' for 'debhelper-compat' was not found" apt install debhelper-compat=13 -st experimental
testfailureequal "Reading package lists...
Building dependency tree...
Package debhelper-compat is a virtual package provided by:
  debhelper-ng 4 (= 13)
  debhelper 3 (= 13)
You should explicitly select one to install.

E: Release 'experimental' for 'debhelper-compat' was not found" apt install debhelper-compat/experimental -s