# This file contains tests for the pkg_mkIndex command.
# Note that the tests are limited to Tcl scripts only, there are no shared
# libraries against which to test.
#
# Sourcing this file into Tcl runs the tests and generates output for
# errors.  No output means no errors were found.
#
# Copyright (c) 1998-1999 by Scriptics Corporation.
# All rights reserved.

package require tcltest 2
namespace import ::tcltest::*

set fullPkgPath [makeDirectory pkg]


namespace eval pkgtest {
    # Namespace for procs we can discard
}

# pkgtest::parseArgs --
#
#  Parse an argument list.
#
# Arguments:
#  <flags>	(optional) arguments starting with a dash are collected
#		as options to pkg_mkIndex and passed to pkg_mkIndex.
#  dirPath	the directory to index
#  pattern0	pattern to index
#  ...		pattern to index
#  patternN	pattern to index
#
# Results:
#  Returns a three element list:
#    0: the options
#    1: the directory to index
#    2: the patterns list

proc pkgtest::parseArgs { args } {
    set options ""

    set argc [llength $args]
    for {set iarg 0} {$iarg < $argc} {incr iarg} {
	set a [lindex $args $iarg]
	if {[regexp {^-} $a]} {
	    lappend options $a
	    if {$a eq "-load"} {
		incr iarg
		lappend options [lindex $args $iarg]
	    }
	} else {
	    break
	}
    }

    set dirPath [lindex $args $iarg]
    incr iarg
    set patternList [lrange $args $iarg end]

    return [list $options $dirPath $patternList]
}

# pkgtest::parseIndex --
#
#  Loads a pkgIndex.tcl file, records all the calls to "package ifneeded".
#
# Arguments:
#  filePath	path to the pkgIndex.tcl file.
#
# Results:
#  Returns a list, in "array set/get" format, where the keys are the package
#  name and version (in the form "$name:$version"), and the values the rest
#  of the command line.

proc pkgtest::parseIndex { filePath } {
    # create a slave interpreter, where we override "package ifneeded"

    set slave [interp create]
    if {[catch {
	$slave eval {
	    rename package package_original
	    proc package { args } {
		if {[lindex $args 0] eq "ifneeded"} {
		    set pkg [lindex $args 1]
		    set ver [lindex $args 2]
		    set ::PKGS($pkg:$ver) [lindex $args 3]
		} else {
		    return [package_original {*}$args]
		}
	    }
	    array set ::PKGS {}
	}

	set dir [file dirname $filePath]
	$slave eval {set curdir [pwd]}
	$slave eval [list cd $dir]
	$slave eval [list set dir $dir]
	$slave eval [list source [file tail $filePath]]
	$slave eval {cd $curdir}

	# Create the list in sorted order, so that we don't get spurious
	# errors because the order has changed.

	array set P {}
	foreach {k v} [$slave eval {array get ::PKGS}] {
	    set P($k) $v
	}

	set PKGS ""
	foreach k [lsort [array names P]] {
	    lappend PKGS $k $P($k)
	}
    } err opts]} {
	set ei [dict get $opts -errorinfo]
	set ec [dict get $opts -errorcode]

	catch {interp delete $slave}

	error $ei $ec
    }

    interp delete $slave

    return $PKGS
}

# pkgtest::createIndex --
#
#  Runs pkg_mkIndex for the given directory and set of patterns.
#  This procedure deletes any pkgIndex.tcl file in the target directory,
#  then runs pkg_mkIndex.
#
# Arguments:
#  <flags>	(optional) arguments starting with a dash are collected
#		as options to pkg_mkIndex and passed to pkg_mkIndex.
#  dirPath	the directory to index
#  pattern0	pattern to index
#  ...		pattern to index
#  patternN	pattern to index
#
# Results:
#  Returns a two element list:
#    0: 1 if the procedure encountered an error, 0 otherwise.
#    1: the error result if element 0 was 1

proc pkgtest::createIndex { args } {
    set parsed [parseArgs {*}$args]
    set options [lindex $parsed 0]
    set dirPath [lindex $parsed 1]
    set patternList [lindex $parsed 2]

    file mkdir $dirPath

    if {[catch {
	file delete [file join $dirPath pkgIndex.tcl]
	pkg_mkIndex {*}$options $dirPath {*}$patternList
    } err]} {
	return [list 1 $err]
    }

    return [list 0 {}]
}

# makePkgList --
#
#  Takes the output of a pkgtest::parseIndex call, filters it and returns a
#  cleaned up list of packages and their actions.
#
# Arguments:
#  inList	output from a pkgtest::parseIndex.
#
# Results:
#  Returns a list of two element lists:
#    0: the name:version
#    1: a list describing the package.
#	For tclPkgSetup packages it consists of:
#	 0: the keyword tclPkgSetup
#	 1: the first file to source, with its exported procedures
#	 2: the second file ...
#	 N: the N-1st file ...

proc makePkgList { inList } {
    set pkgList ""

    foreach {k v} $inList {
	switch [lindex $v 0] {
	    tclPkgSetup {
		set l tclPkgSetup
		foreach s [lindex $v 4] {
		    lappend l $s
		}
	    }

	    source {
		set l $v
	    }

	    default {
		error "can't handle $k $v"
	    }
	}

	lappend pkgList [list $k $l]
    }

    return $pkgList
}

# pkgtest::runIndex --
#
#  Runs pkg_mkIndex, parses the generated index file.
#
# Arguments:
#  <flags>	(optional) arguments starting with a dash are collected
#		as options to pkg_mkIndex and passed to pkg_mkIndex.
#  dirPath	the directory to index
#  pattern0	pattern to index
#  ...		pattern to index
#  patternN	pattern to index
#
# Results:
#  Returns a two element list:
#    0: 1 if the procedure encountered an error, 0 otherwise.
#    1: if no error, this is the parsed generated index file, in the format
#	returned by pkgtest::parseIndex.
#	If error, this is the error result.

proc pkgtest::runCreatedIndex {rv args} {
    if {[lindex $rv 0] == 0} {
	set parsed [parseArgs {*}$args]
	set dirPath [lindex $parsed 1]
	set idxFile [file join $dirPath pkgIndex.tcl]

	if {[catch {
	    set result [list 0 [makePkgList [parseIndex $idxFile]]]
	} err]} {
	    set result [list 1 $err]
	} 
	file delete $idxFile
    } else {
	set result $rv
    }

    return $result
}
proc pkgtest::runIndex { args } {
    set rv [createIndex {*}$args]
    return [runCreatedIndex $rv {*}$args]
}

# If there is no match to the patterns, make sure the directory hasn't
# changed on us

test pkgMkIndex-1.1 {nothing matches pattern - current dir is the same} {
    list [pkgtest::runIndex -lazy $fullPkgPath nomatch.tcl] [pwd]
} [list {1 {no files matched glob pattern "nomatch.tcl"}} [pwd]]

makeFile {
#  This is a simple package, just to check basic functionality.
package provide simple 1.0
namespace eval simple {
    namespace export lower upper
}
proc simple::lower { stg } {
    return [string tolower $stg]
}
proc simple::upper { stg } {
    return [string toupper $stg]
}
} [file join pkg simple.tcl]

test pkgMkIndex-2.1 {simple package} {
    pkgtest::runIndex -lazy $fullPkgPath simple.tcl
} {0 {{simple:1.0 {tclPkgSetup {simple.tcl source {::simple::lower ::simple::upper}}}}}}

test pkgMkIndex-2.2 {simple package - use -direct} {
    pkgtest::runIndex -direct $fullPkgPath simple.tcl
} "0 {{simple:1.0 {[list source [file join $fullPkgPath simple.tcl]]}}}"

test pkgMkIndex-2.3 {simple package - direct loading is default} {
    pkgtest::runIndex $fullPkgPath simple.tcl
} "0 {{simple:1.0 {[list source [file join $fullPkgPath simple.tcl]]}}}"

test pkgMkIndex-2.4 {simple package - use -verbose} -body {
    pkgtest::runIndex -verbose $fullPkgPath simple.tcl
} -result "0 {{simple:1.0 {[list source [file join $fullPkgPath simple.tcl]]}}}" \
    -errorOutput {successful sourcing of simple.tcl
packages provided were {simple 1.0}
processed simple.tcl
}

removeFile [file join pkg simple.tcl]

makeFile {
#  Contains global symbols, used to check that they don't have a leading ::
package provide global 1.0
proc global_lower { stg } {
    return [string tolower $stg]
}
proc global_upper { stg } {
    return [string toupper $stg]
}
} [file join pkg global.tcl]

test pkgMkIndex-3.1 {simple package with global symbols} {
    pkgtest::runIndex -lazy $fullPkgPath global.tcl
} {0 {{global:1.0 {tclPkgSetup {global.tcl source {global_lower global_upper}}}}}}

removeFile [file join pkg global.tcl]

makeFile {
#  This package is required by pkg1.
#  This package is split into two files, to test packages that are split
#  over multiple files.
package provide pkg2 1.0
namespace eval pkg2 {
    namespace export p2-1
}
proc pkg2::p2-1 { num } {
    return [expr $num * 2]
}
} [file join pkg pkg2_a.tcl]

makeFile {
#  This package is required by pkg1.
#  This package is split into two files, to test packages that are split
#  over multiple files.
package provide pkg2 1.0
namespace eval pkg2 {
    namespace export p2-2
}
proc pkg2::p2-2 { num } {
    return [expr $num * 3]
}
} [file join pkg pkg2_b.tcl]

test pkgMkIndex-4.1 {split package} {
    pkgtest::runIndex -lazy $fullPkgPath pkg2_a.tcl pkg2_b.tcl
} {0 {{pkg2:1.0 {tclPkgSetup {pkg2_a.tcl source ::pkg2::p2-1} {pkg2_b.tcl source ::pkg2::p2-2}}}}}

test pkgMkIndex-4.2 {split package - direct loading} {
    pkgtest::runIndex -direct $fullPkgPath pkg2_a.tcl pkg2_b.tcl
} "0 {{pkg2:1.0 {[list source [file join $fullPkgPath pkg2_a.tcl]]
[list source [file join $fullPkgPath pkg2_b.tcl]]}}}"

# Add the direct1 directory to auto_path, so that the direct1 package 
# can be found.
set direct1 [makeDirectory direct1]
lappend auto_path $direct1
makeFile {
#  This is referenced by pkgIndex.tcl as a -direct script.
package provide direct1 1.0
namespace eval direct1 {
    namespace export pd1 pd2
}
proc direct1::pd1 { stg } {
    return [string tolower $stg]
}
proc direct1::pd2 { stg } {
    return [string toupper $stg]
}
} [file join direct1 direct1.tcl]
pkg_mkIndex -direct $direct1 direct1.tcl

makeFile {
#  Does a package require of direct1, whose pkgIndex.tcl entry
#  is created above with option -direct.  This tests that pkg_mkIndex
#  can handle code that is sourced in pkgIndex.tcl files.
package require direct1
package provide std 1.0
namespace eval std {
    namespace export p1 p2
}
proc std::p1 { stg } {
    return [string tolower $stg]
}
proc std::p2 { stg } {
    return [string toupper $stg]
}
} [file join pkg std.tcl]

test pkgMkIndex-5.1 {requires -direct package} {
    pkgtest::runIndex -lazy $fullPkgPath std.tcl
} {0 {{std:1.0 {tclPkgSetup {std.tcl source {::std::p1 ::std::p2}}}}}}

removeFile [file join direct1 direct1.tcl]
file delete [file join $direct1 pkgIndex.tcl]
removeDirectory direct1
removeFile [file join pkg std.tcl]

makeFile {
#  This package requires pkg3, but it does
#  not use any of pkg3's procs in the code that is executed by the file
#  (i.e. references to pkg3's procs are in the proc bodies only).
package require pkg3 1.0
package provide pkg1 1.0
namespace eval pkg1 {
    namespace export p1-1 p1-2
}
proc pkg1::p1-1 { num } {
    return [pkg3::p3-1 $num]
}
proc pkg1::p1-2 { num } {
    return [pkg3::p3-2 $num]
}
} [file join pkg pkg1.tcl]

makeFile {
package provide pkg3 1.0
namespace eval pkg3 {
    namespace export p3-1 p3-2
}
proc pkg3::p3-1 { num } {
    return {[expr $num * 2]}
}
proc pkg3::p3-2 { num } {
    return {[expr $num * 3]}
}
} [file join pkg pkg3.tcl]

test pkgMkIndex-6.1 {pkg1 requires pkg3} {
    pkgtest::runIndex -lazy $fullPkgPath pkg1.tcl pkg3.tcl
} {0 {{pkg1:1.0 {tclPkgSetup {pkg1.tcl source {::pkg1::p1-1 ::pkg1::p1-2}}}} {pkg3:1.0 {tclPkgSetup {pkg3.tcl source {::pkg3::p3-1 ::pkg3::p3-2}}}}}}

test pkgMkIndex-6.2 {pkg1 requires pkg3 - use -direct} {
    pkgtest::runIndex -direct $fullPkgPath pkg1.tcl pkg3.tcl
} "0 {{pkg1:1.0 {[list source [file join $fullPkgPath pkg1.tcl]]}} {pkg3:1.0 {[list source [file join $fullPkgPath pkg3.tcl]]}}}"

removeFile [file join pkg pkg1.tcl]

makeFile {
#  This package requires pkg3, and it calls
#  a pkg3 proc in the code that is executed by the file
package require pkg3 1.0
package provide pkg4 1.0
namespace eval pkg4 {
    namespace export p4-1 p4-2
    variable m2 [pkg3::p3-1 10]
}
proc pkg4::p4-1 { num } {
    variable m2
    return [expr {$m2 * $num}]
}
proc pkg4::p4-2 { num } {
    return [pkg3::p3-2 $num]
}
} [file join pkg pkg4.tcl]

test pkgMkIndex-7.1 {pkg4 uses pkg3} {
    pkgtest::runIndex -lazy $fullPkgPath pkg4.tcl pkg3.tcl
} {0 {{pkg3:1.0 {tclPkgSetup {pkg3.tcl source {::pkg3::p3-1 ::pkg3::p3-2}}}} {pkg4:1.0 {tclPkgSetup {pkg4.tcl source {::pkg4::p4-1 ::pkg4::p4-2}}}}}}

test pkgMkIndex-7.2 {pkg4 uses pkg3 - use -direct} {
    pkgtest::runIndex -direct $fullPkgPath pkg4.tcl pkg3.tcl
} "0 {{pkg3:1.0 {[list source [file join $fullPkgPath pkg3.tcl]]}} {pkg4:1.0 {[list source [file join $fullPkgPath pkg4.tcl]]}}}"

removeFile [file join pkg pkg4.tcl]
removeFile [file join pkg pkg3.tcl]

makeFile {
#  This package requires pkg2, and it calls
#  a pkg2 proc in the code that is executed by the file.
#  Pkg2 is a split package.
package require pkg2 1.0
package provide pkg5 1.0
namespace eval pkg5 {
    namespace export p5-1 p5-2
    variable m2 [pkg2::p2-1 10]
    variable m3 [pkg2::p2-2 10]
}
proc pkg5::p5-1 { num } {
    variable m2
    return [expr {$m2 * $num}]
}
proc pkg5::p5-2 { num } {
    variable m2
    return [expr {$m2 * $num}]
}
} [file join pkg pkg5.tcl]

test pkgMkIndex-8.1 {pkg5 uses pkg2} {
    pkgtest::runIndex -lazy $fullPkgPath pkg5.tcl pkg2_a.tcl pkg2_b.tcl
} {0 {{pkg2:1.0 {tclPkgSetup {pkg2_a.tcl source ::pkg2::p2-1} {pkg2_b.tcl source ::pkg2::p2-2}}} {pkg5:1.0 {tclPkgSetup {pkg5.tcl source {::pkg5::p5-1 ::pkg5::p5-2}}}}}}

test pkgMkIndex-8.2 {pkg5 uses pkg2 - use -direct} {
    pkgtest::runIndex -direct $fullPkgPath pkg5.tcl pkg2_a.tcl pkg2_b.tcl
} "0 {{pkg2:1.0 {[list source [file join $fullPkgPath pkg2_a.tcl]]
[list source [file join $fullPkgPath pkg2_b.tcl]]}} {pkg5:1.0 {[list source [file join $fullPkgPath pkg5.tcl]]}}}"

removeFile [file join pkg pkg5.tcl]
removeFile [file join pkg pkg2_a.tcl]
removeFile [file join pkg pkg2_b.tcl]

makeFile {
#  This package requires circ2, and circ2
#  requires circ3, which in turn requires circ1.
#  In case of cirularities, pkg_mkIndex should give up when it gets stuck.
package require circ2 1.0
package provide circ1 1.0
namespace eval circ1 {
    namespace export c1-1 c1-2 c1-3 c1-4
}
proc circ1::c1-1 { num } {
    return [circ2::c2-1 $num]
}
proc circ1::c1-2 { num } {
    return [circ2::c2-2 $num]
}
proc circ1::c1-3 {} {
    return 10
}
proc circ1::c1-4 {} {
    return 20
}
} [file join pkg circ1.tcl]

makeFile {
#  This package is required by circ1, and
#  requires circ3. Circ3, in turn, requires circ1 to give us a circularity.
package require circ3 1.0
package provide circ2 1.0
namespace eval circ2 {
    namespace export c2-1 c2-2
}
proc circ2::c2-1 { num } {
    return [expr $num * [circ3::c3-1]]
}
proc circ2::c2-2 { num } {
    return [expr $num * [circ3::c3-2]]
}
} [file join pkg circ2.tcl]

makeFile {
#  This package is required by circ2, and in
#  turn requires circ1. This closes the circularity.
package require circ1 1.0
package provide circ3 1.0
namespace eval circ3 {
    namespace export c3-1 c3-4
}
proc circ3::c3-1 {} {
    return [circ1::c1-3]
}
proc circ3::c3-2 {} {
    return [circ1::c1-4]
}
} [file join pkg circ3.tcl]

test pkgMkIndex-9.1 {circular packages} {
    pkgtest::runIndex -lazy $fullPkgPath circ1.tcl circ2.tcl circ3.tcl
} {0 {{circ1:1.0 {tclPkgSetup {circ1.tcl source {::circ1::c1-1 ::circ1::c1-2 ::circ1::c1-3 ::circ1::c1-4}}}} {circ2:1.0 {tclPkgSetup {circ2.tcl source {::circ2::c2-1 ::circ2::c2-2}}}} {circ3:1.0 {tclPkgSetup {circ3.tcl source ::circ3::c3-1}}}}}

removeFile [file join pkg circ1.tcl]
removeFile [file join pkg circ2.tcl]
removeFile [file join pkg circ3.tcl]

# Some tests require the existence of one of the DLLs in the dltest directory
set x [file join [file dirname [info nameofexecutable]] dltest \
	pkga[info sharedlibextension]]
set dll "[file tail $x]Required"
testConstraint $dll [file exists $x]

if {[testConstraint $dll]} {
    makeFile {
#  This package provides Pkga, which is also provided by a DLL.
package provide Pkga 1.0
proc pkga_neq { x } {
    return [expr {! [pkgq_eq $x]}]
}
} [file join pkg pkga.tcl]
    file copy -force $x $fullPkgPath
}
testConstraint exec [llength [info commands ::exec]]

test pkgMkIndex-10.1 {package in DLL and script} [list exec $dll] {
    # Do all [load]ing of shared libraries in another process, so 
    # we can delete the file and not get stuck because we're holding
    # a reference to it.
    set cmd [list pkg_mkIndex -lazy $fullPkgPath [file tail $x] pkga.tcl]
    exec [interpreter] << $cmd
    pkgtest::runCreatedIndex {0 {}} -lazy $fullPkgPath pkga[info sharedlibextension] pkga.tcl
} "0 {{Pkga:1.0 {tclPkgSetup {pkga[info sharedlibextension] load {pkga_eq pkga_quote}} {pkga.tcl source pkga_neq}}}}"
test pkgMkIndex-10.2 {package in DLL hidden by -load} [list exec $dll] {
    # Do all [load]ing of shared libraries in another process, so 
    # we can delete the file and not get stuck because we're holding
    # a reference to it.
    #
    # This test depends on context from prior test, so repeat it.
    set script "[list pkg_mkIndex -lazy $fullPkgPath [file tail $x] pkga.tcl]\n"
    append script \
	    "[list pkg_mkIndex -lazy -load Pkg* $fullPkgPath [file tail $x]]"
    exec [interpreter] << $script
    pkgtest::runCreatedIndex {0 {}} -lazy -load Pkg* -- $fullPkgPath pkga[info sharedlibextension]
} {0 {}}

if {[testConstraint $dll]} {
    file delete -force [file join $fullPkgPath [file tail $x]]
    removeFile [file join pkg pkga.tcl]
}

# Tolerate "namespace import" at the global scope

makeFile {
package provide fubar 1.0
namespace eval ::fubar:: {
    #
    # export only public functions.
    #
    namespace export {[a-z]*}
}
proc ::fubar::foo {bar} {
    puts "$bar"
    return true
}
namespace import ::fubar::foo
} [file join pkg import.tcl]

test pkgMkIndex-11.1 {conflicting namespace imports} {
    pkgtest::runIndex -lazy $fullPkgPath import.tcl
} {0 {{fubar:1.0 {tclPkgSetup {import.tcl source ::fubar::foo}}}}}

removeFile [file join pkg import.tcl]

# Verify that the auto load list generated is correct even when there
# is a proc name conflict between two namespaces (ie, ::foo::baz and
# ::bar::baz)

makeFile {
package provide football 1.0
namespace eval ::pro:: {
    #
    # export only public functions.
    #
    namespace export {[a-z]*}
}
namespace eval ::college:: {
    #
    # export only public functions.
    #
    namespace export {[a-z]*}
}
proc ::pro::team {} {
    puts "go packers!"
    return true
}
proc ::college::team {} {
    puts "go badgers!"
    return true
}
} [file join pkg samename.tcl]

test pkgMkIndex-12.1 {same name procs in different namespace} {
    pkgtest::runIndex -lazy $fullPkgPath samename.tcl
} {0 {{football:1.0 {tclPkgSetup {samename.tcl source {::college::team ::pro::team}}}}}}

removeFile [file join pkg samename.tcl]

# Proc names with embedded spaces are properly listed (ie, correct number of
# braces) in result
makeFile {
package provide spacename 1.0
proc {a b} {} {}
proc {c d} {} {}
} [file join pkg spacename.tcl]

test pkgMkIndex-13.1 {proc names with embedded spaces} {
    pkgtest::runIndex -lazy $fullPkgPath spacename.tcl
} {0 {{spacename:1.0 {tclPkgSetup {spacename.tcl source {{a b} {c d}}}}}}}

removeFile [file join pkg spacename.tcl]

# Test the tcl::Pkg::CompareExtension helper function
test pkgMkIndex-14.1 {tcl::Pkg::CompareExtension} {unix} {
    tcl::Pkg::CompareExtension foo.so .so
} 1
test pkgMkIndex-14.2 {tcl::Pkg::CompareExtension} {unix} {
    tcl::Pkg::CompareExtension foo.so.bar .so
} 0
test pkgMkIndex-14.3 {tcl::Pkg::CompareExtension} {unix} {
    tcl::Pkg::CompareExtension foo.so.1 .so
} 1
test pkgMkIndex-14.4 {tcl::Pkg::CompareExtension} {unix} {
    tcl::Pkg::CompareExtension foo.so.1.2 .so
} 1
test pkgMkIndex-14.5 {tcl::Pkg::CompareExtension} {unix} {
    tcl::Pkg::CompareExtension foo .so
} 0
test pkgMkIndex-14.6 {tcl::Pkg::CompareExtension} {unix} {
    tcl::Pkg::CompareExtension foo.so.1.2.bar .so
} 0

# cleanup

removeDirectory pkg

namespace delete pkgtest
::tcltest::cleanupTests
return

