# This file contains a collection of tests for the msgcat package.
# Sourcing this file into Tcl runs the tests and
# generates output for errors.  No output means no errors were found.
#
# Copyright (c) 1998 Mark Harrison.
# Copyright (c) 1998-1999 by Scriptics Corporation.
# Contributions from Don Porter, NIST, 2002.  (not subject to US copyright)
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
#
# Note that after running these tests, entries will be left behind in the
# message catalogs for locales foo, foo_BAR, and foo_BAR_baz.
#
# RCS: @(#) msgcat.test,v 1.5 2003/01/21 19:40:16 hunt Exp

package require Tcl 8.2
if {[catch {package require tcltest 2}]} {
    puts stderr "Skipping tests in [info script].  tcltest 2 required."
    return
}
if {[catch {package require msgcat 1.3}]} {
    puts stderr "Skipping tests in [info script].  No msgcat 1.3 found to test."
    return
}

namespace eval ::msgcat::test {
    namespace import ::msgcat::*
    namespace import ::tcltest::test
    namespace import ::tcltest::cleanupTests
    namespace import ::tcltest::temporaryDirectory
    namespace import ::tcltest::make*
    namespace import ::tcltest::remove*

    # Tests msgcat-0.*: locale initialization

    proc PowerSet {l} {
	if {[llength $l] == 0} {return [list [list]]}
	set element [lindex $l 0]
	set rest [lrange $l 1 end]
	set result [list]
	foreach x [PowerSet $rest] {
	    lappend result [linsert $x 0 $element]
	    lappend result $x
	}
	return $result
    }

    variable envVars {LC_ALL LC_MESSAGES LANG}
    variable count 0
    variable body
    variable result
    variable setVars
    foreach setVars [PowerSet $envVars] { 
	set result [string tolower [lindex $setVars 0]]
	if {[string length $result] == 0} {
	    set result c
	}
	test msgcat-0.$count {
	    locale initialization from environment variables
	} -setup {
	    variable var
	    foreach var $envVars {
		catch {variable $var $::env($var)}
		catch {unset ::env($var)}
	    }
	    foreach var $setVars {
		set ::env($var) $var
	    }
	    interp create [namespace current]::i
	    i eval [list package ifneeded msgcat [package provide msgcat] \
		    [package ifneeded msgcat [package provide msgcat]]]
	    i eval package require msgcat
	} -cleanup {
	    interp delete [namespace current]::i
	    foreach var $envVars {
		catch {unset ::env($var)}
		catch {set ::env($var) [set [namespace current]::$var]}
	    }
	} -body {i eval msgcat::mclocale} -result $result
	incr count
    }
    catch {unset result}
    
    # Could add tests of initialization from Windows registry here.
    # Use a fake registry package.

    # Tests msgcat-1.*: [mclocale], [mcpreferences]

    test msgcat-1.3 {mclocale set, single element} -setup {
	variable locale [mclocale]
    } -cleanup {
	mclocale $locale
    } -body {
	mclocale en
    } -result en

    test msgcat-1.4 {mclocale get, single element} -setup {
	variable locale [mclocale]
	mclocale en
    } -cleanup {
	mclocale $locale
    } -body {
	mclocale
    } -result en

    test msgcat-1.5 {mcpreferences, single element} -setup {
	variable locale [mclocale]
	mclocale en
    } -cleanup {
	mclocale $locale
    } -body {
	mcpreferences
    } -result en

    test msgcat-1.6 {mclocale set, two elements} -setup {
	variable locale [mclocale]
    } -cleanup {
	mclocale $locale
    } -body {
	mclocale en_US
    } -result en_us

    test msgcat-1.7 {mclocale get, two elements} -setup {
	variable locale [mclocale]
	mclocale en_US
    } -cleanup {
	mclocale $locale
    } -body {
	mclocale
    } -result en_us

    test msgcat-1.8 {mcpreferences, two elements} -setup {
	variable locale [mclocale]
	mclocale en_US
    } -cleanup {
	mclocale $locale
    } -body {
	mcpreferences
    } -result {en_us en}

    test msgcat-1.9 {mclocale set, three elements} -setup {
	variable locale [mclocale]
    } -cleanup {
	mclocale $locale
    } -body {
	mclocale en_US_funky
    } -result en_us_funky

    test msgcat-1.10 {mclocale get, three elements} -setup {
	variable locale [mclocale]
	mclocale en_US_funky
    } -cleanup {
	mclocale $locale
    } -body {
	mclocale
    } -result en_us_funky

    test msgcat-1.11 {mcpreferences, three elements} -setup {
	variable locale [mclocale]
	mclocale en_US_funky
    } -cleanup {
	mclocale $locale
    } -body {
	mcpreferences
    } -result {en_us_funky en_us en}

    # Tests msgcat-2.*: [mcset], [mcmset], namespace partitioning

    test msgcat-2.1 {mcset, global scope} {
	namespace eval :: ::msgcat::mcset  foo_BAR text1 text2
    } {text2}

    test msgcat-2.2 {mcset, global scope, default} {
	namespace eval :: ::msgcat::mcset foo_BAR text3
    } {text3}

    test msgcat-2.2 {mcset, namespace overlap} {
	namespace eval baz {::msgcat::mcset  foo_BAR con1 con1baz}
    } {con1baz}

    test msgcat-2.3 {mcset, namespace overlap} -setup {
	namespace eval bar {::msgcat::mcset  foo_BAR con1 con1bar}
	namespace eval baz {::msgcat::mcset  foo_BAR con1 con1baz}
	variable locale [mclocale]
	mclocale foo_BAR
    } -cleanup {
	mclocale $locale
    } -body {
	namespace eval bar {::msgcat::mc con1}
    } -result con1bar

    test msgcat-2.4 {mcset, namespace overlap} -setup {
	namespace eval bar {::msgcat::mcset  foo_BAR con1 con1bar}
	namespace eval baz {::msgcat::mcset  foo_BAR con1 con1baz}
	variable locale [mclocale]
	mclocale foo_BAR
    } -cleanup {
	mclocale $locale
    } -body {
	namespace eval baz {::msgcat::mc con1}
    } -result con1baz

    test msgcat-2.5 {mcmset, global scope} -setup {
	namespace eval :: {
	    ::msgcat::mcmset  foo_BAR {
	        src1 trans1
	        src2 trans2
	    }
	}
	variable locale [mclocale]
	mclocale foo_BAR
    } -cleanup {
	mclocale $locale
    } -body {
	namespace eval :: {
	    ::msgcat::mc src1
	}
    } -result trans1

    test msgcat-2.6 {mcmset, namespace overlap} -setup {
	namespace eval bar {::msgcat::mcmset  foo_BAR {con2 con2bar}}
	namespace eval baz {::msgcat::mcmset  foo_BAR {con2 con2baz}}
	variable locale [mclocale]
	mclocale foo_BAR
    } -cleanup {
	mclocale $locale
    } -body {
	namespace eval bar {::msgcat::mc con2}
    } -result con2bar

    test msgcat-2.7 {mcmset, namespace overlap} -setup {
	namespace eval bar {::msgcat::mcmset  foo_BAR {con2 con2bar}}
	namespace eval baz {::msgcat::mcmset  foo_BAR {con2 con2baz}}
	variable locale [mclocale]
	mclocale foo_BAR
    } -cleanup {
	mclocale $locale
    } -body {
	namespace eval baz {::msgcat::mc con2}
    } -result con2baz

    # Tests msgcat-3.*: [mcset], [mc], catalog "inheritance"
    #
    # Test mcset and mc, ensuring that more specific locales
    # (e.g. en_UK) will search less specific locales
    # (e.g. en) for translation strings.
    #
    # Do this for the 12 permutations of
    #     locales: {foo foo_BAR foo_BAR_baz}
    #     strings: {ov1 ov2 ov3 ov4}
    #     locale foo         defines ov1, ov2, ov3
    #     locale foo_BAR     defines      ov2, ov3
    #     locale foo_BAR_BAZ defines           ov3
    #     (ov4 is defined in none)
    # So,
    #     ov3 should be resolved in foo, foo_BAR, foo_BAR_baz
    #     ov2 should be resolved in foo, foo_BAR
    #     ov2 should resolve to foo_BAR in foo_BAR_baz
    #     ov1 should be resolved in foo
    #     ov1 should resolve to foo in foo_BAR, foo_BAR_baz
    #     ov4 should be resolved in none, and call mcunknown
    #
    variable count 2
    variable result
    array set result {
	foo,ov1 ov1_foo foo,ov2 ov2_foo foo,ov3 ov3_foo foo,ov4 ov4
	foo_BAR,ov1 ov1_foo foo_BAR,ov2 ov2_foo_BAR foo_BAR,ov3 ov3_foo_BAR
	foo_BAR,ov4 ov4 foo_BAR_baz,ov1 ov1_foo foo_BAR_baz,ov2 ov2_foo_BAR
	foo_BAR_baz,ov3 ov3_foo_BAR_baz foo_BAR_baz,ov4 ov4
    }
    variable loc
    variable string
    foreach loc {foo foo_BAR foo_BAR_baz} {
	foreach string {ov1 ov2 ov3 ov4} {
	    test msgcat-3.$count {mcset, overlap} -setup {
		mcset foo ov1 ov1_foo
		mcset foo ov2 ov2_foo
		mcset foo ov3 ov3_foo
		mcset foo_BAR ov2 ov2_foo_BAR
		mcset foo_BAR ov3 ov3_foo_BAR
		mcset foo_BAR_baz ov3 ov3_foo_BAR_baz
		variable locale [mclocale]
		mclocale $loc
	    } -cleanup {
		mclocale $locale
	    } -body {
		mc $string
	    } -result $result($loc,$string)
	    incr count
	}
    }
    catch {unset result}

    # Tests msgcat-4.*: [mcunknown]

    test msgcat-4.2 {mcunknown, default} -setup {
	mcset foo unk1 "unknown 1"
	variable locale [mclocale]
	mclocale foo
    } -cleanup {
	mclocale $locale
    } -body {
	mc unk1
    } -result {unknown 1}

    test msgcat-4.3 {mcunknown, default} -setup {
	mcset foo unk1 "unknown 1"
	variable locale [mclocale]
	mclocale foo
    } -cleanup {
	mclocale $locale
    } -body {
	mc unk2
    } -result unk2

    test msgcat-4.4 {mcunknown, overridden} -setup {
	rename ::msgcat::mcunknown SavedMcunknown
	proc ::msgcat::mcunknown {dom s} {
            return unknown:$dom:$s
	}
	mcset foo unk1 "unknown 1"
	variable locale [mclocale]
	mclocale foo
    } -cleanup {
	mclocale $locale
	rename ::msgcat::mcunknown {}
	rename SavedMcunknown ::msgcat::mcunknown
    } -body {
	mc unk1
    } -result {unknown 1}

    test msgcat-4.5 {mcunknown, overridden} -setup {
	rename ::msgcat::mcunknown SavedMcunknown
	proc ::msgcat::mcunknown {dom s} {
            return unknown:$dom:$s
	}
	mcset foo unk1 "unknown 1"
	variable locale [mclocale]
	mclocale foo
    } -cleanup {
	mclocale $locale
	rename ::msgcat::mcunknown {}
	rename SavedMcunknown ::msgcat::mcunknown
    } -body {
	mc unk2
    } -result {unknown:foo:unk2}

    test msgcat-4.6 {mcunknown, uplevel context} -setup {
	rename ::msgcat::mcunknown SavedMcunknown
	proc ::msgcat::mcunknown {dom s} {
            return "unknown:$dom:$s:[expr {[info level] - 1}]"
	}
	mcset foo unk1 "unknown 1"
	variable locale [mclocale]
	mclocale foo
    } -cleanup {
	mclocale $locale
	rename ::msgcat::mcunknown {}
	rename SavedMcunknown ::msgcat::mcunknown
    } -body {
	mc unk2
    } -result unknown:foo:unk2:[info level]

    # Tests msgcat-5.*: [mcload]

    variable locales {foo foo_BAR foo_BAR_baz}
    makeDirectory msgdir
    foreach loc $locales {
	makeFile "::msgcat::mcset $loc abc abc-$loc" \
		[string tolower [file join msgdir $loc.msg]]
    }
    variable count 1
    foreach loc {foo foo_BAR foo_BAR_baz} {
	test msgcat-5.$count {mcload} -setup {
	    variable locale [mclocale]
	    mclocale $loc
	} -cleanup {
	    mclocale $locale
	} -body {
	    mcload [file join [temporaryDirectory] msgdir]
	} -result $count
	incr count
    }

    # Even though foo_BAR_notexist does not exist,
    # foo_BAR and foo should be loaded.
	test msgcat-5.4 {mcload} -setup {
	    variable locale [mclocale]
	    mclocale foo_BAR_notexist
	} -cleanup {
	    mclocale $locale
	} -body {
	    mcload [file join [temporaryDirectory] msgdir]
	} -result 2

	test msgcat-5.5 {mcload} -setup {
	    variable locale [mclocale]
	    mclocale no_FI_notexist
	} -cleanup {
	    mclocale $locale
	} -body {
	    mcload [file join [temporaryDirectory] msgdir]
	} -result 0

	test msgcat-5.6 {mcload} -setup {
	    variable locale [mclocale]
	    mclocale foo
	} -cleanup {
	    mclocale $locale
	} -body {
	    mc abc
	} -result abc-foo

	test msgcat-5.7 {mcload} -setup {
	    variable locale [mclocale]
	    mclocale foo_BAR
	} -cleanup {
	    mclocale $locale
	} -body {
	    mc abc
	} -result abc-foo_BAR

	test msgcat-5.8 {mcload} -setup {
	    variable locale [mclocale]
	    mclocale foo_BAR_baz
	} -cleanup {
	    mclocale $locale
	} -body {
	    mc abc
	} -result abc-foo_BAR_baz

	test msgcat-5.9 {mcload} -setup {
	    rename ::msgcat::mcunknown SavedMcunknown
	    proc ::msgcat::mcunknown {dom s} {
		return unknown:$dom:$s
	    }
	    variable locale [mclocale]
	    mclocale no_FI_notexist
	} -cleanup {
	    mclocale $locale
	    rename ::msgcat::mcunknown {}
	    rename SavedMcunknown ::msgcat::mcunknown
	} -body {
	    mc abc
	} -result unknown:no_fi_notexist:abc


    foreach loc $locales {
	removeFile [string tolower [file join msgdir $loc.msg]]
    }
    removeDirectory msgdir

    # Tests msgcat-6.*: [mcset], [mc] namespace inheritance
#
# Test mcset and mc, ensuring that resolution for messages
# proceeds from the current ns to its parent and so on to the 
# global ns.
#
# Do this for the 12 permutations of
#     locales: foo
#     namespaces: foo foo::bar foo::bar::baz
#     strings: {ov1 ov2 ov3 ov4}
#     namespace ::foo            defines ov1, ov2, ov3
#     namespace ::foo::bar       defines      ov2, ov3
#     namespace ::foo::bar::baz  defines           ov3
#
#     ov4 is not defined in any namespace.
#
# So,
#     ov3 should be resolved in ::foo::bar::baz, ::foo::bar, ::foo;
#     ov2 should be resolved in ::foo, ::foo::bar
#     ov1 should be resolved in ::foo
#     ov4 should be resolved in none, and call mcunknown
#

    variable result
    array set result {
	foo,ov1 ov1_foo foo,ov2 ov2_foo foo,ov3 ov3_foo foo,ov4 ov4
	foo::bar,ov1 ov1_foo foo::bar,ov2 ov2_foo_bar
	foo::bar,ov3 ov3_foo_bar foo::bar,ov4 ov4 foo::bar::baz,ov1 ov1_foo
	foo::bar::baz,ov2 ov2_foo_bar foo::bar::baz,ov3 ov3_foo_bar_baz
	foo::bar::baz,ov4 ov4
    }
    variable count 1
    variable ns
    foreach ns {foo foo::bar foo::bar::baz} {
	foreach string {ov1 ov2 ov3 ov4} {
	    test msgcat-6.$count {mcset, overlap} -setup {
		namespace eval foo {
		    ::msgcat::mcset foo ov1 ov1_foo
		    ::msgcat::mcset foo ov2 ov2_foo
		    ::msgcat::mcset foo ov3 ov3_foo
		    namespace eval bar {
			::msgcat::mcset foo ov2 ov2_foo_bar
			::msgcat::mcset foo ov3 ov3_foo_bar
			namespace eval baz {
			    ::msgcat::mcset foo ov3 "ov3_foo_bar_baz"
			}
		    }
		    
		}
		variable locale [mclocale]
		mclocale foo
	    } -cleanup {
		mclocale $locale
		namespace delete foo
	    } -body {
		namespace eval $ns [list ::msgcat::mc $string]
	    } -result $result($ns,$string)
	    incr count
	}
    }

    # Tests msgcat-7.*: [mc] extra args processed by [format]

    test msgcat-7.1 {mc extra args go through to format} -setup {
	mcset foo format1 "this is a test"
	mcset foo format2 "this is a %s"
	mcset foo format3 "this is a %s %s"
	variable locale [mclocale]
	mclocale foo
    } -cleanup {
	mclocale $locale
    } -body {
	mc format1 "good test"
    } -result "this is a test"

    test msgcat-7.2 {mc extra args go through to format} -setup {
	mcset foo format1 "this is a test"
	mcset foo format2 "this is a %s"
	mcset foo format3 "this is a %s %s"
	variable locale [mclocale]
	mclocale foo
    } -cleanup {
	mclocale $locale
    } -body {
	mc format2 "good test"
    } -result "this is a good test"

    test msgcat-7.3 {mc errors from format are propagated} -setup {
	mcset foo format1 "this is a test"
	mcset foo format2 "this is a %s"
	mcset foo format3 "this is a %s %s"
	variable locale [mclocale]
	mclocale foo
    } -cleanup {
	mclocale $locale
    } -body {
	catch {mc format3 "good test"}
    } -result 1

    test msgcat-7.4 {mc, extra args are given to unknown} -setup {
	mcset foo format1 "this is a test"
	mcset foo format2 "this is a %s"
	mcset foo format3 "this is a %s %s"
	variable locale [mclocale]
	mclocale foo
    } -cleanup {
	mclocale $locale
    } -body {
	mc "this is a %s" "good test"
    } -result "this is a good test"

    cleanupTests
}
namespace delete ::msgcat::test
return