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# 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 by Scriptics Corporation.
# All rights reserved.
#
# RCS: @(#) $Id: pkgMkIndex.test,v 1.1.1.1 2002-01-16 10:25:36 markom Exp $

if {[string compare test [info procs test]] == 1} then {source defs}

# Add the pkg1 directory to auto_path, so that its packages can be found.
# packages in pkg1 are used to test indexing of packages in pkg.
# Make sure that the path to pkg1 is absolute.

set scriptDir [file dirname [info script]]
set oldDir [pwd]
lappend auto_path [file join [pwd] $scriptDir pkg1]

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 {[string compare -load $a] == 0} {
                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 {[string compare [lindex $args 0] ifneeded] == 0} {
                    set pkg [lindex $args 1]
                    set ver [lindex $args 2]
                    set ::PKGS($pkg:$ver) [lindex $args 3]
                } else {
                    return [eval 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]} {
        set ei $::errorInfo
        set ec $::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 [eval parseArgs $args]
    set options [lindex $parsed 0]
    set dirPath [lindex $parsed 1]
    set patternList [lindex $parsed 2]

    if {[catch {
        file delete [file join $dirPath pkgIndex.tcl]
        eval 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::runIndex { args } {
    set rv [eval createIndex $args]
    if {[lindex $rv 0] == 0} {
        set parsed [eval 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
}

# 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 pkg nomatch.tcl] [pwd]
} [list {1 {no files matched glob pattern "nomatch.tcl"}} [pwd]]
cd $oldDir      ;# 'cause 8.0.3 is left in the wrong place
test pkgMkIndex-2.1 {simple package} {
    pkgtest::runIndex pkg 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 pkg simple.tcl
} "0 {{simple:1.0 {source [file join pkg simple.tcl]}}}"

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

test pkgMkIndex-4.1 {split package} {
    pkgtest::runIndex pkg 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 pkg pkg2_a.tcl pkg2_b.tcl
} "0 {{pkg2:1.0 {source [file join pkg pkg2_a.tcl]
source [file join pkg pkg2_b.tcl]}}}"

# This will fail, with "direct1" procedures in the list of procedures
# provided by std.
# It may also fail, if tclblend is in the auto_path, with an additional
# command "loadJava" which comes from the tclblend pkgIndex.tcl file.
# Both failures are caused by Tcl code executed in pkgIndex.tcl.

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

test pkgMkIndex-6.1 {pkg1 requires pkg3} {
    pkgtest::runIndex pkg 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 pkg pkg1.tcl pkg3.tcl
} "0 {{pkg1:1.0 {source [file join pkg pkg1.tcl]}} {pkg3:1.0 {source [file join pkg pkg3.tcl]}}}"

test pkgMkIndex-7.1 {pkg4 uses pkg3} {
    pkgtest::runIndex pkg 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 pkg pkg4.tcl pkg3.tcl
} "0 {{pkg3:1.0 {source [file join pkg pkg3.tcl]}} {pkg4:1.0 {source [file join pkg pkg4.tcl]}}}"

test pkgMkIndex-8.1 {pkg5 uses pkg2} {
    pkgtest::runIndex pkg 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 pkg pkg5.tcl pkg2_a.tcl pkg2_b.tcl
} "0 {{pkg2:1.0 {source [file join pkg pkg2_a.tcl]
source [file join pkg pkg2_b.tcl]}} {pkg5:1.0 {source [file join pkg pkg5.tcl]}}}"

test pkgMkIndex-9.1 {circular packages} {
    pkgtest::runIndex pkg 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}}}}}

# Try to find one of the DLLs in the dltest directory
set x [file join [pwd] [file dirname [info script]]]
set x [file join $x ../unix/dltest/pkga[info sharedlibextension]]
if {[file exists $x]} {
    file copy -force $x pkg
    test pkgMkIndex-10.1 {package in DLL and script} {
        pkgtest::runIndex pkg pkga[info sharedlibextension] pkga.tcl
    } {0 {{Pkga:1.0 {tclPkgSetup {pkga.so load {pkga_eq pkga_quote}} {pkga.tcl source pkga_neq}}}}}
    test pkgMkIndex-10.2 {package in DLL hidden by -load} {
        pkgtest::runIndex -load Pkg* -- pkg pkga[info sharedlibextension]
    } {0 {}}
} else {
    puts "Skipping pkgMkIndex-10.1 (index of DLL and script)"
}

#
# cleanup
#
if {![info exist TESTS]} {
    file delete [file join pkg pkgIndex.tcl]
    namespace delete pkgtest
}