# Features covered: tnc interface.
#
# This file contains a collection of tests of the tnc command. This tests
# are primary there to test the tcl interface of the tnc command and the 
# validation commands.
#
#    tnc-1.*: Basics
#    tnc-2.*: Parsing with tnc enabled
#    tnc-3.*: ValidationCmds
#    tnc-4.*: parser uses -useForeignDTD
#
# Copyright (c) 2003 Rolf Ade.


set testDir [file dir [info script]]
source [file join $testDir loadtnc.tcl]


set xml {<!DOCTYPE root [
    <!ELEMENT root (#PCDATA|a|b)*>
    <!ELEMENT a (#PCDATA)>
    <!ELEMENT b EMPTY>
]>
<root>
text<a>text</a><b/>more text
</root>}

test tnc-1.1 {tnc enable} {
     set parser [expat]
     tnc $parser enable
     $parser free
     set result ""
} {}

test tnc-1.2 {tnc enable} {
    expat parser
    tnc parser enable
    parser free
    set result ""
} {}

test tnc-1.3 {try to enable tnc for an already tnc enabled parser} {
    set parser [expat]
    tnc $parser enable
    set result [catch {tnc $parser enable}]
    $parser free
    set result
} {1}

test tnc-1.4 {tnc - first arg isn't a parser} {
    set errMsg ""
    set result [catch {tnc foo enable} errMsg]
    list $result $errMsg
} {1 {First argument has to be a expat parser object}}

test tnc-1.5 {tnc - wrong method name (second arg)} {
    set parser [expat]
    set errMsg ""
    set result [catch {tnc $parser foobaz} errMsg]
    $parser free
    list $result $errMsg
} {1 {bad method "foobaz": must be enable, remove, or getValidateCmd}}

test tnc-2.1 {parse with tnc enabled} {
    set parser [expat]
    tnc $parser enable
    set result [catch {$parser parse $xml}]
    $parser free
    set result
} {0}

test tnc-2.2 {parse with tnc enabled} {
    set parser [expat]
    tnc $parser enable
    set result [catch {$parser parse $xml}]
    $parser free
    set result
} {0}

test tnc-2.3 {parse with tnc enabled} {
    set parser [expat]
    tnc $parser enable
    set result [catch {$parser parse $xml}]
    $parser free
    set result
} {0}

# This is like $xml, only with wrong root element
set xmlWrong {<!DOCTYPE root [
    <!ELEMENT root (#PCDATA|a|b)*>
    <!ELEMENT a (#PCDATA)>
    <!ELEMENT b EMPTY>
]>
<wrong>
text<a>text</a><b/>more text
</wrong>}

test tnc-2.4 {parse with tnc enable - wrong document element} {
    set parser [expat]
    tnc $parser enable
    set errMsg ""
    set result [catch {$parser parse $xmlWrong} errMsg]
    $parser free
    lappend result $errMsg
} {1 {Validation error at line 6, character 0: No declaration for this element.}}

test tnc-2.5 {invalid DTD} {
    set parser [expat]
    tnc $parser enable
    set result [catch {$parser parse {<!DOCTYPE root [
    <!ELEMENT root (#PCDATA|a|b)*>
    <!ELEMENT a (#PCDATA)>
    <!ELEMENT b EMPTY>
    <!BOGUS bah>
]>
<root>
text<a>text</a><b/>more text
</root>}}]
    $parser free
    set result
} {1}

test tnc-2.6 {invalid document} {
    set parser [expat]
    tnc $parser enable
    set errMsg ""
    set result [catch {$parser parse {<!DOCTYPE root [
    <!ELEMENT root (#PCDATA|a|b)*>
    <!ELEMENT a (#PCDATA)>
    <!ELEMENT b EMPTY>
]>
<!-- This not well-formed document doesn't have a root element -->}} errMsg]
    $parser free
    set result
} {1}

test tnc-2.7 {not valid document} {
    set parser [expat]
    tnc $parser enable
    set result [catch {$parser parse {<!DOCTYPE root [
    <!ELEMENT root (a,b)>
    <!ELEMENT a (#PCDATA)>
    <!ELEMENT b EMPTY>
]>
<root><a>text</a></root>}} errMsg]
    $parser free
    set errMsg
} {Validation error at line 6, character 17: Element can not end here (required element(s) missing).}

proc 2.8-resolver {base systemId publicId} {
    switch $publicId {
        "-//W3C//DTD Specification V2.0//EN" {
            set fd [open [file join [file dir [info script]] \
                              ../../../tests/data/xmlspec-v20.dtd]]
            set xmlspec [read $fd]
            close $fd
            return [list "string" "" $xmlspec]
        }
        default {
            puts stderr "Unexpected systemId '$systemId'"
            return ""
        }
    }
}

test tnc-2.8 {Validate REC-xslt-19991116.xml} {
    set ::tdom::extRefHandlerDebug 1
    set parser [expat -externalentitycommand 2.8-resolver  \
                    -paramentityparsing always]
    tnc $parser enable
    $parser parsefile [file join [file dir [info script]] \
                           ../../../tests/data/REC-xslt-19991116.xml] 
    $parser free
} {}

test tnc-2.8.1 {Validate REC-xslt-19991116-mod.xml} {
    set ::tDOM::extRefHandlerDebug 1
    set parser [expat -externalentitycommand 2.8-resolver  \
                    -paramentityparsing always]
    tnc $parser enable
    set result [catch {
        $parser parsefile [file join [file dir [info script]] \
                               ../../../tests/data/REC-xslt-19991116-mod.xml]
    }]
    $parser free
    set result
} 1

test tnc-2.9 {check #PCDATA only element} {
    set parser [expat]
    tnc $parser enable
    set result [catch {$parser parse {<!DOCTYPE root [
    <!ELEMENT root (a,b)>
    <!ELEMENT a (#PCDATA)>
    <!ELEMENT b EMPTY>
]>
<root><a>text<b/>text</a><b/></root>}} errMsg]
    $parser free
    set errMsg
} {Validation error at line 6, character 13: Element is not allowed here.}

test tnc-3.1 {validate cmd} {
    set parser [expat]
    tnc $parser enable
    set result [catch {$parser parse $xml}]
    set validator [tnc $parser getValidateCmd]
    rename $validator {}
    $parser free
    set result
} {0}

test tnc-3.2 {validate cmd} {
    set parser [expat]
    tnc $parser enable
    set result [catch {$parser parse $xml}]
    set validator [tnc $parser getValidateCmd]
    $parser free
    rename $validator {}
    set result
} {0}

test tnc-3.3 {validate cmd} {
    set parser [expat]
    tnc $parser enable
    set result [catch {$parser parse $xml}]
    set validator [tnc $parser getValidateCmd]
    $parser reset
    lappend result [catch {$parser parse $xml}]
    rename $validator {}
    $parser free
    set result
} {0 0}

test tnc-3.4 {validate cmd} {
    set parser [expat]
    tnc $parser enable
    tdom $parser enable
    $parser parse $xml
    set validator [tnc $parser getValidateCmd]
    set doc [tdom $parser getdoc]
    $parser free
    set result [catch {$validator validateTree [$doc documentElement]} errMsg]
    rename $validator {}
    $doc delete
    if {$result} {
        set errMsg
    } else {
        set result
    }
} {0}

test tnc-3.5 {validate cmd} {
    set parser [expat]
    tnc $parser enable
    tdom $parser enable
    $parser parse $xml
    set validator [tnc $parser getValidateCmd]
    tnc $parser remove
    $parser reset
    $parser parse $xml
    set doc [tdom $parser getdoc]
    $parser free
    set result [catch {$validator validateTree [$doc documentElement]} errMsg]
    rename $validator {}
    $doc delete
    if {$result} {
        set errMsg
    } else {
        set result
    }
} {0}

test tnc-3.6 {validate cmd} {
    set parser [expat]
    tnc $parser enable
    tdom $parser enable
    $parser parse $xml
    set validator [tnc $parser getValidateCmd]
    tnc $parser remove
    $parser reset
    $parser parse $xml
    set doc [tdom $parser getdoc]
    $parser free
    set root [$doc documentElement]
    set result [catch {$validator validateTree $root}]
    foreach child [$root childNodes] {
        if {[$child nodeType] == "ELEMENT_NODE"} {
            lappend result [catch {$validator validateTree $child}]
        }
    }
    rename $validator {}
    $doc delete
    set result
} {0 0 0}


test tnc-3.7 {validate cmd} {
    set parser [expat]
    tnc $parser enable
    set result [catch {$parser parse $xmlWrong}]
    set validator [tnc $parser getValidateCmd]
    $parser free
    set doc [dom parse $xml]
    set root [$doc documentElement]
    lappend result [catch {$validator validateTree $root}]
    lappend result [catch {$validator validateDocument $doc}]
    $validator delete
    $doc delete
    set result
} {1 0 0}

test tnc-3.8 {validator cmd generated from not-wellformed document with well-formed DTD} {
    set parser [expat]
    tnc $parser enable
    set errMsg ""
    catch {$parser parse {<!DOCTYPE root [
    <!ELEMENT root (#PCDATA|a|b)*>
    <!ELEMENT a (#PCDATA)>
    <!ELEMENT b EMPTY>
]>
<!-- This not well-formed document doesn't have a root element -->}}
    tnc $parser getValidateCmd validator
    set doc [dom parse $xml]
    set result [validator validateDocument $doc]
    $parser free
    validator delete
    $doc delete
    set result
} {1}

test tnc-3.9 {validator cmd - validation error info} {
    set parser [expat]
    tnc $parser enable
    $parser parse $xml
    tnc $parser getValidateCmd validator
    $parser free
    set doc [dom parse $xml]
    set result [validator validateDocument $doc errInfo]
    validator delete
    $doc delete
    set result
    lappend result $errInfo
} {1 {}}

test tnc-3.10 {validator cmd - validation error info} {
    set parser [expat]
    tnc $parser enable
    $parser parse $xml
    tnc $parser getValidateCmd validator
    $parser free
    set doc [dom parse $xml]
    set errInfo "something"
    set result [validator validateDocument $doc errInfo]
    validator delete
    $doc delete
    set result
    lappend result $errInfo
} {1 {}}

test tnc-3.11 {validator cmd - validation error info} {
    set parser [expat]
    tnc $parser enable
    $parser parse $xml
    tnc $parser getValidateCmd validator
    $parser free
    set doc [dom parse $xmlWrong]
    set result [validator validateDocument $doc errInfo]
    validator delete
    $doc delete
    set result
    lappend result $errInfo
} {0 {Root element doesn't match DOCTYPE name.}}


test tnc-3.12 {validator cmd - validation error info} {
    set parser [expat]
    tnc $parser enable
    $parser parse $xml
    tnc $parser getValidateCmd validator
    $parser free
    set doc [dom parse $xml]
    set root [$doc documentElement]
    $root appendChild [$doc createElement wrong]
    set result [validator validateDocument $doc errInfo]
    lappend result $errInfo
    lappend result [validator validateTree $root errInfo]
    lappend result $errInfo
    validator delete
    $doc delete
    set result
} {0 {No declaration for this element.} 0 {No declaration for this element.}}

set xmlID {<!DOCTYPE elem [
<!ELEMENT elem (elem*)>
<!ATTLIST elem id ID #IMPLIED>
]>
<elem>
    <elem id="id1"/>
    <elem id="id2"/>
    <elem id="id3"/>
    <elem id="id4"/>
</elem>}

test tnc-3.13 {validator cmd - validateDocument with ID's} {
    set parser [expat]
    tnc $parser enable
    tdom $parser enable
    $parser parse $xmlID
    set validator [tnc $parser getValidateCmd]
    set doc [tdom $parser getdoc]
    $parser free
    set result [$validator validateDocument $doc errInfo]
    lappend result $errInfo
    set root [$doc documentElement]
    $root setAttribute id "id1"
    lappend result [$validator validateTree $root errInfo]
    lappend result $errInfo
    lappend result [$validator validateDocument $doc errInfo]
    lappend result $errInfo
    $doc delete
    $validator delete
    set result
} {1 {} 0 {ID attribute values must be unique within the document.} 0 {ID attribute values must be unique within the document.}}

test tnc-3.14 {validator cmd - validateAttributes} {
    set parser [expat]
    tnc $parser enable
    tdom $parser enable
    $parser parse $xmlID
    set validator [tnc $parser getValidateCmd]
    set doc [tdom $parser getdoc]
    $parser free
    set root [$doc documentElement]
    $root setAttribute wrongAtt "id1"
    set result [$validator validateAttributes $root errInfo]
    lappend result $errInfo
    $doc delete
    $validator delete
    set result
} {0 {Unknown attribute for this element.}}

proc extrefhandler-4.1 {base systemId publicId} {
    if {$systemId == ""} {
        return [list "string" $base {
    <!ELEMENT root (#PCDATA|a|b)*>
    <!ELEMENT a (#PCDATA)>
    <!ELEMENT b EMPTY>
}]
    } else {
        error "error in tnc-4.1"
    }
}

test tnc-4.1 {document has no DTD, DTD provided via -useForeignDTD} {
    set parser [expat -externalentitycommand extrefhandler-4.1 \
                      -paramentityparsing always \
                      -useForeignDTD 1]
    tnc $parser enable
    $parser parse {<root>
text<a>text</a><b/>more text
</root>}
    $parser free
    set result 1
} {1}

proc extrefhandler-4.2 {base systemId publicId} {
    global parser

    if {$systemId == ""} {
        tnc $parser remove
        return [list string $base ""]
    } else {
        error "error in tnc-4.2"
    }
}

test tnc-4.2 {remove tnc from parser in extrefhandler} {
    set parser [expat -externalentitycommand extrefhandler-4.2 \
                            -paramentityparsing always \
                            -useForeignDTD 1]
    tnc $parser enable
    $parser parse <foo/>
    $parser free
    set result 1
} {1}
    
# cleanup
::tcltest::cleanupTests
return