pkgmkindex.test

tcl是工具命令语言

# 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.
#
# RCS: @(#) $Id: pkgMkIndex.test,v 1.23 2002/07/06 18:19:46 dgp Exp $

if {[lsearch [namespace children] ::tcltest] == -1} {
    package require tcltest 2
    namespace import -force ::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 {[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]

    file mkdir $dirPath

    if {[catch {
	file delete [file join $dirPath pkgIndex.tcl]
	eval pkg_mkIndex $options [list $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 [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
}
proc pkgtest::runIndex { args } {
    set rv [eval createIndex $args]
    return [eval [list 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]]}}}"

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