# Commands covered:  http::config, http::geturl, http::wait, http::reset
#
# This file contains a collection of tests for the http script library.
# Sourcing this file into Tcl runs the tests and
# generates output for errors.  No output means no errors were found.
#
# Copyright (c) 1991-1993 The Regents of the University of California.
# Copyright (c) 1994-1996 Sun Microsystems, Inc.
# Copyright (c) 1998-2000 by Ajuba Solutions.
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
#
#
# RCS: @(#) $Id: http.test,v 1.38 2004/05/25 22:56:33 hobbs Exp $

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

if {[catch {package require http 2} version]} {
    if {[info exists http2]} {
	catch {puts "Cannot load http 2.* package"}
	return
    } else {
	catch {puts "Running http 2.* tests in slave interp"}
	set interp [interp create http2]
	$interp eval [list set http2 "running"]
	$interp eval [list set argv $argv]
	$interp eval [list source [info script]]
	interp delete $interp
	return
    }
}

proc bgerror {args} {
    global errorInfo
    puts stderr "http.test bgerror"
    puts stderr [join $args]
    puts stderr $errorInfo
}

set port 8010
set bindata "This is binary data\x0d\x0amore\x0dmore\x0amore\x00null"
catch {unset data}

# Ensure httpd file exists

set origFile [file join [pwd] [file dirname [info script]] httpd]
set httpdFile [file join [temporaryDirectory] httpd_[pid]]
if {![file exists $httpdFile]} {
    makeFile "" $httpdFile
    file delete $httpdFile
    file copy $origFile $httpdFile
    set removeHttpd 1
}

if {[info commands testthread] == "testthread" && [file exists $httpdFile]} {
    set httpthread [testthread create "
	source [list $httpdFile]
	testthread wait
    "]
    testthread send $httpthread [list set port $port]
    testthread send $httpthread [list set bindata $bindata]
    testthread send $httpthread {httpd_init $port}
    puts "Running httpd in thread $httpthread"
} else {
    if {![file exists $httpdFile]} {
	puts "Cannot read $httpdFile script, http test skipped"
	unset port
	return
    }
    source $httpdFile
    # Let the OS pick the port; that's much more flexible
    if {[catch {httpd_init 0} listen]} {
	puts "Cannot start http server, http test skipped"
	unset port
	return
    } else {
	set port [lindex [fconfigure $listen -sockname] 2]
    }
}


test http-1.1 {http::config} {
    http::config
} [list -accept */* -proxyfilter http::ProxyRequired -proxyhost {} -proxyport {} -urlencoding utf-8 -useragent "Tcl http client package $version"]

test http-1.2 {http::config} {
    http::config -proxyfilter
} http::ProxyRequired

test http-1.3 {http::config} {
    catch {http::config -junk}
} 1

test http-1.4 {http::config} {
    set savedconf [http::config]
    http::config -proxyhost nowhere.come -proxyport 8080 \
	-proxyfilter myFilter -useragent "Tcl Test Suite" \
	-urlencoding iso8859-1
    set x [http::config]
    http::config {expand}$savedconf
    set x
} {-accept */* -proxyfilter myFilter -proxyhost nowhere.come -proxyport 8080 -urlencoding iso8859-1 -useragent {Tcl Test Suite}}

test http-1.5 {http::config} {
    list [catch {http::config -proxyhost {} -junk 8080} msg] $msg
} {1 {Unknown option -junk, must be: -accept, -proxyfilter, -proxyhost, -proxyport, -urlencoding, -useragent}}

test http-1.6 {http::config} {
    set enc [list [http::config -urlencoding]]
    http::config -urlencoding iso8859-1
    lappend enc [http::config -urlencoding]
    http::config -urlencoding [lindex $enc 0]
    set enc
} {utf-8 iso8859-1}


test http-2.1 {http::reset} {
    catch {http::reset http#1}
} 0

test http-3.1 {http::geturl} {
    list [catch {http::geturl -bogus flag} msg] $msg
} {1 {Unknown option flag, can be: -binary, -blocksize, -channel, -command, -handler, -headers, -progress, -query, -queryblocksize, -querychannel, -queryprogress, -validate, -timeout, -type}}

test http-3.2 {http::geturl} {
    catch {http::geturl http:junk} err
    set err
} {Unsupported URL: http:junk}

set url [info hostname]:$port
set badurl [info hostname]:6666
test http-3.3 {http::geturl} {
    set token [http::geturl $url]
    http::data $token
} "<html><head><title>HTTP/1.0 TEST</title></head><body>
<h1>Hello, World!</h1>
<h2>GET /</h2>
</body></html>"

set tail /a/b/c
set url [info hostname]:$port/a/b/c
set fullurl http://user:pass@[info hostname]:$port/a/b/c
set binurl [info hostname]:$port/binary
set posturl [info hostname]:$port/post
set badposturl [info hostname]:$port/droppost

test http-3.4 {http::geturl} {
    set token [http::geturl $url]
    http::data $token
} "<html><head><title>HTTP/1.0 TEST</title></head><body>
<h1>Hello, World!</h1>
<h2>GET $tail</h2>
</body></html>"

proc selfproxy {host} {
    global port
    return [list [info hostname] $port]
}
test http-3.5 {http::geturl} {
    http::config -proxyfilter selfproxy
    set token [http::geturl $url]
    http::config -proxyfilter http::ProxyRequired
    http::data $token
} "<html><head><title>HTTP/1.0 TEST</title></head><body>
<h1>Hello, World!</h1>
<h2>GET http://$url</h2>
</body></html>"

test http-3.6 {http::geturl} {
    http::config -proxyfilter bogus
    set token [http::geturl $url]
    http::config -proxyfilter http::ProxyRequired
    http::data $token
} "<html><head><title>HTTP/1.0 TEST</title></head><body>
<h1>Hello, World!</h1>
<h2>GET $tail</h2>
</body></html>"

test http-3.7 {http::geturl} {
    set token [http::geturl $url -headers {Pragma no-cache}]
    http::data $token
} "<html><head><title>HTTP/1.0 TEST</title></head><body>
<h1>Hello, World!</h1>
<h2>GET $tail</h2>
</body></html>"

test http-3.8 {http::geturl} {
    set token [http::geturl $url -query Name=Value&Foo=Bar -timeout 2000]
    http::data $token
} "<html><head><title>HTTP/1.0 TEST</title></head><body>
<h1>Hello, World!</h1>
<h2>POST $tail</h2>
<h2>Query</h2>
<dl>
<dt>Name<dd>Value
<dt>Foo<dd>Bar
</dl>
</body></html>"

test http-3.9 {http::geturl} {
    set token [http::geturl $url -validate 1]
    http::code $token
} "HTTP/1.0 200 OK"

test http-3.10 {http::geturl queryprogress} {
    set query foo=bar
    set sep ""
    set i 0
    # Create about 120K of query data
    while {$i < 14} {
	incr i
	append query $sep$query
	set sep &
    }

    proc postProgress {token x y} {
	global postProgress
	lappend postProgress $y
    }
    set postProgress {}
    set t [http::geturl $posturl -query $query \
	    -queryprogress postProgress -queryblocksize 16384]
    http::wait $t
    list [http::status $t] [string length $query] $postProgress [http::data $t]
} {ok 122879 {16384 32768 49152 65536 81920 98304 114688 122879} {Got 122879 bytes}}

test http-3.11 {http::geturl querychannel with -command} {
    set query foo=bar
    set sep ""
    set i 0
    # Create about 120K of query data
    while {$i < 14} {
	incr i
	append query $sep$query
	set sep &
    }
    set file [makeFile $query outdata]
    set fp [open $file]

    proc asyncCB {token} {
	global postResult
	lappend postResult [http::data $token]
    }
    set postResult [list ]
    set t [http::geturl $posturl -querychannel $fp]
    http::wait $t
    set testRes [list [http::status $t] [string length $query] [http::data $t]]

    # Now do async
    http::cleanup $t
    close $fp
    set fp [open $file]
    set t [http::geturl $posturl -querychannel $fp -command asyncCB]
    set postResult [list PostStart]
    http::wait $t
    close $fp

    lappend testRes [http::status $t] $postResult
    removeFile outdata
    set testRes
} {ok 122879 {Got 122880 bytes} ok {PostStart {Got 122880 bytes}}}

# On Linux platforms when the client and server are on the same
# host, the client is unable to read the server's response one
# it hits the write error.  The status is "eof"

# On Windows, the http::wait procedure gets a
# "connection reset by peer" error while reading the reply

test http-3.12 {http::geturl querychannel with aborted request} {nonPortable} {
    set query foo=bar
    set sep ""
    set i 0
    # Create about 120K of query data
    while {$i < 14} {
	incr i
	append query $sep$query
	set sep &
    }
    set file [makeFile $query outdata]
    set fp [open $file]

    proc asyncCB {token} {
	global postResult
	lappend postResult [http::data $token]
    }
    proc postProgress {token x y} {
	global postProgress
	lappend postProgress $y
    }
    set postProgress {}
    # Now do async
    set postResult [list PostStart]
    if {[catch {
	set t [http::geturl $badposturl -querychannel $fp -command asyncCB \
		-queryprogress postProgress]
	http::wait $t
	upvar #0 $t state
    } err]} {
	puts $errorInfo
	error $err
    }

    removeFile outdata
    list [http::status $t] [http::code $t]
} {ok {HTTP/1.0 200 Data follows}}

test http-3.13 {http::geturl socket leak test} {
    set chanCount [llength [file channels]]
    for {set i 0} {$i < 3} {incr i} {
	catch {http::geturl $badurl -timeout 5000} 
    }

    # No extra channels should be taken
    expr {[llength [file channels]] == $chanCount}
} 1

test http-3.14 "http::geturl $fullurl" {
    set token [http::geturl $fullurl -validate 1]
    http::code $token
} "HTTP/1.0 200 OK"

test http-4.1 {http::Event} {
    set token [http::geturl $url]
    upvar #0 $token data
    array set meta $data(meta)
    expr ($data(totalsize) == $meta(Content-Length))
} 1

test http-4.2 {http::Event} {
    set token [http::geturl $url]
    upvar #0 $token data
    array set meta $data(meta)
    string compare $data(type) [string trim $meta(Content-Type)]
} 0

test http-4.3 {http::Event} {
    set token [http::geturl $url]
    http::code $token
} {HTTP/1.0 200 Data follows}

test http-4.4 {http::Event} {
    set testfile [makeFile "" testfile]
    set out [open $testfile w]
    set token [http::geturl $url -channel $out]
    close $out
    set in [open $testfile]
    set x [read $in]
    close $in
    removeFile $testfile
    set x
} "<html><head><title>HTTP/1.0 TEST</title></head><body>
<h1>Hello, World!</h1>
<h2>GET $tail</h2>
</body></html>"

test http-4.5 {http::Event} {
    set testfile [makeFile "" testfile]
    set out [open $testfile w]
    set token [http::geturl $url -channel $out]
    close $out
    upvar #0 $token data
    removeFile $testfile
    expr $data(currentsize) == $data(totalsize)
} 1

test http-4.6 {http::Event} {
    set testfile [makeFile "" testfile]
    set out [open $testfile w]
    set token [http::geturl $binurl -channel $out]
    close $out
    set in [open $testfile]
    fconfigure $in -translation binary
    set x [read $in]
    close $in
    removeFile $testfile
    set x
} "$bindata$binurl"

proc myProgress {token total current} {
    global progress httpLog
    if {[info exists httpLog] && $httpLog} {
	puts "progress $total $current"
    }
    set progress [list $total $current]
}
if 0 {
    # This test hangs on Windows95 because the client never gets EOF
    set httpLog 1
    test http-4.6 {http::Event} {
	set token [http::geturl $url -blocksize 50 -progress myProgress]
	set progress
    } {111 111}
}
test http-4.7 {http::Event} {
    set token [http::geturl $url -progress myProgress]
    set progress
} {111 111}
test http-4.8 {http::Event} {
    set token [http::geturl $url]
    http::status $token
} {ok}
test http-4.9 {http::Event} {
    set token [http::geturl $url -progress myProgress]
    http::code $token
} {HTTP/1.0 200 Data follows}
test http-4.10 {http::Event} {
    set token [http::geturl $url -progress myProgress]
    http::size $token
} {111}

# Timeout cases

#	Short timeout to working server  (the test server)
#	This lets us try a reset during the connection

test http-4.11 {http::Event} {
    set token [http::geturl $url -timeout 1 -command {#}]
    http::reset $token
    http::status $token
} {reset}

#	Longer timeout with reset

test http-4.12 {http::Event} {
    set token [http::geturl $url/?timeout=10 -command {#}]
    http::reset $token
    http::status $token
} {reset}

#	Medium timeout to working server that waits even longer
#	The timeout hits while waiting for a reply

test http-4.13 {http::Event} {
    set token [http::geturl $url?timeout=30 -timeout 10 -command {#}]
    http::wait $token
    http::status $token
} {timeout}

#	Longer timeout to good host, bad port, gets an error
#	after the connection "completes" but the socket is bad

test http-4.14 {http::Event} {
    set code [catch {
	set token [http::geturl $badurl/?timeout=10 -timeout 10000 -command {#}]
	if {[string length $token] == 0} {
	    error "bogus return from http::geturl"
	}
	http::wait $token
	http::status $token
    } err]
    # error code varies among platforms.
    list $code [regexp {(connect failed|couldn't open socket)} $err]
} {1 1}

# Bogus host

test http-4.15 {http::Event} {
    # This test may fail if you use a proxy server.  That is to be
    # expected and is not a problem with Tcl.
    set code [catch {
	set token [http::geturl not_a_host.tcl.tk -timeout 1000 -command {#}]
	http::wait $token
	http::status $token
    } err]
    # error code varies among platforms.
    list $code [string match "couldn't open socket*" $err]
} {1 1}

test http-5.1 {http::formatQuery} {
    http::formatQuery name1 value1 name2 "value two"
} {name1=value1&name2=value+two}

# test http-5.2 obsoleted by 5.4 and 5.5 with http 2.5

test http-5.3 {http::formatQuery} {
    http::formatQuery lines "line1\nline2\nline3"
} {lines=line1%0d%0aline2%0d%0aline3}

test http-5.4 {http::formatQuery} {
    http::formatQuery name1 ~bwelch name2 \xa1\xa2\xa2
} {name1=%7ebwelch&name2=%c2%a1%c2%a2%c2%a2}

test http-5.5 {http::formatQuery} {
    set enc [http::config -urlencoding]
    http::config -urlencoding iso8859-1
    set res [http::formatQuery name1 ~bwelch name2 \xa1\xa2\xa2]
    http::config -urlencoding $enc
    set res
} {name1=%7ebwelch&name2=%a1%a2%a2}

test http-6.1 {http::ProxyRequired} {
    http::config -proxyhost [info hostname] -proxyport $port
    set token [http::geturl $url]
    http::wait $token
    http::config -proxyhost {} -proxyport {}
    upvar #0 $token data
    set data(body)
} "<html><head><title>HTTP/1.0 TEST</title></head><body>
<h1>Hello, World!</h1>
<h2>GET http://$url</h2>
</body></html>"

test http-7.1 {http::mapReply} {
    http::mapReply "abc\$\[\]\"\\()\}\{"
} {abc%24%5b%5d%22%5c%28%29%7d%7b}

test http-7.2 {http::mapReply} {
    # RFC 2718 specifies that we pass urlencoding on utf-8 chars by default,
    # so make sure this gets converted to utf-8 then urlencoded.
    http::mapReply "\u2208"
} {%e2%88%88}

test http-7.3 {http::formatQuery} {
    set enc [http::config -urlencoding]
    # this would be reverting to http <=2.4 behavior
    http::config -urlencoding ""
    set res [list [catch {http::mapReply "\u2208"} msg] $msg]
    http::config -urlencoding $enc
    set res
} [list 1 "can't read \"formMap(\u2208)\": no such element in array"]

test http-7.4 {http::formatQuery} {
    set enc [http::config -urlencoding]
    # this would be reverting to http <=2.4 behavior w/o errors
    # (unknown chars become '?')
    http::config -urlencoding "iso8859-1"
    set res [http::mapReply "\u2208"]
    http::config -urlencoding $enc
    set res
} {%3f}

# cleanup
catch {unset url}
catch {unset badurl}
catch {unset port}
catch {unset data}
if {[info exists httpthread]} {
    testthread send -async $httpthread {
	testthread exit
    }
} else {
    close $listen
}

if {[info exists removeHttpd]} {
    removeFile $httpdFile
}

rename bgerror {}
::tcltest::cleanupTests