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tc_xpath.lua
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tc_xpath.lua
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local xpath = require("xpath")
dofile("xmltable1.lua")
dofile("xmltable2.lua")
xpath.register("nsfoo","adder",function(ctx, args)
local sum = 0
for i = 1, #args do
sum = sum + args[i](ctx)
end
return sum
end )
local ctx1 = {
var = {
a = 5,
two = 2,
one = 1,
["one-two"] = 12,
},
ns = {
foo = "nsfoo"
}
}
local ctx2 = {
var = {
a = 5,
two = 2,
one = 1,
["one-two"] = 12,
},
ns = {
foo = "nsfoo"
}
}
local function eval1(str)
ctx1.nn = xpath.NodeNavigator:new(xmldoctable1)
return xpath.parse(str)(ctx1)
end
local function eval2(str)
ctx2.nn = xpath.NodeNavigator:new(xmldoctable2)
return xpath.parse(str)(ctx2)
end
local test = {}
function test.test_comparison()
assert_true(eval1(" 2 > 4 or 3 > 5 or 6 > 2"))
assert_true(eval1(" 2 > 4 or 3 > 5 or 6 > 2"))
assert_true(eval1(" true() or false() "))
assert_true(eval1(" true() and true() "))
assert_false(eval1(" true() and false() "))
assert_false(eval1(" false() or false() "))
assert_true(eval1("'a' = 'a'"))
assert_true(eval1(" 'a' = 'a' and 'b' = 'b' "))
assert_false(eval1(" 6 < 4 and 7 > 5 "))
assert_true(eval1(" 2 < 4 and 7 > 5 "))
assert_true(eval1(" 3 < 6 " ))
assert_false(eval1(" not( 3 < 6 )" ))
assert_true(eval1(" 6 > 3 " ))
assert_true(eval1(" 3 <= 3 " ))
assert_true(eval1(" 3 = 3 " ))
assert_true(eval1(" 4 != 3 " ))
assert_false(eval1( " $two > 3 "))
assert_true(eval1( " $one = 1 "))
assert_equal(eval1(" (((3))) "),3)
end
function test.test_functions()
assert_true(eval1("if ( 1 = 1 ) then true() else false()"))
assert_false(eval1("if ( 1 = 2 ) then true() else false()"))
assert_equal(eval1(" abs( 2 )"),2)
assert_equal(eval1(" abs( -2 )"),2)
assert_equal(eval1(" abs( -3.7 )"),3.7)
assert_equal(eval1(" abs( -1.0e-7 )"),1e-7)
assert_nan(eval1(" abs( number('NaN') )") )
assert_true(eval1(" boolean(1)"))
assert_false(eval1(" boolean(0)"))
assert_false(eval1(" boolean(false())"))
assert_true(eval1(" boolean(true())"))
assert_false(eval1(" boolean( (false()) )"))
assert_true(eval1(" boolean( (true()) )"))
assert_true(eval1(" boolean('false')"))
assert_false(eval1(" boolean('')"))
assert_false(eval1(" boolean( () )"))
assert_equal(eval1("ceiling(1.0)"),1)
assert_equal(eval1("ceiling(1.6)"),2)
assert_equal(eval1("ceiling( 17 div 3)"),6)
assert_equal(eval1("ceiling( -3 )"), -3)
assert_equal(eval1("ceiling( -8.2e0 )"), -8.0e0)
assert_nan(eval1("ceiling( 'xxx' )"))
assert_equal(eval1("ceiling( -0.5e0 )"), -0)
assert_equal(eval1("concat('a','b')"),'ab')
assert_equal(eval1("concat('a',$two)"),'a2')
assert_equal(eval1("concat('a',$two,$one-two)"),'a212')
assert_equal(eval1("count( () )"),0)
assert_equal(eval1("count( ((),2) )"),1)
assert_equal(eval1("count( (1,2,3) )"),3)
assert_true(eval1(" empty( () ) "))
assert_true(eval1(" empty( /root/doesnotexist ) "))
assert_true(eval1(" empty( /root/@doesnotexist ) "))
assert_false(eval1(" empty( /root/@empty ) "))
assert_equal(eval1("floor(1.0)"),1)
assert_equal(eval1("floor(1.6e0)"),1)
assert_equal(eval1("floor( 17 div 3)"),5)
assert_equal(eval1("floor( -3 )"), -3)
assert_equal(eval1("floor( -8.2e0 )"), -9)
assert_nan(eval1("floor( 'xxx' )"))
assert_equal(eval1("floor( -0.5e0 )"), -1)
assert_equal(eval1("/root/local-name()"), 'root')
assert_equal(eval1("local-name(/root)"), 'root')
assert_equal(eval1("/local-name()"), '')
assert_equal(eval1("local-name(/)"), '')
assert_equal(eval1("local-name(/root/@foo)"), 'foo')
assert_equal(eval1("string(/*/@*[.='no'])"), 'no')
assert_equal(eval1("local-name(/*/@*[.='no'])"), 'foo')
assert_equal(eval1("/root/sub/3"), {3,3,3})
assert_equal(eval1("/root/sub/last()"), {3,3,3})
assert_equal(eval1("string(/root/sub[last()])"), 'contents sub3contents subsub 1')
assert_equal(eval1(" max( (1,2,3) ) "), 3)
assert_equal(eval1(" min( (1,2,3) ) "), 1)
assert_equal(eval1("namespace-uri(/*)"),"")
assert_equal(eval1(" normalize-space(' foo bar baz ') "), "foo bar baz")
assert_equal(eval1(" round(3.2) "),3)
assert_equal(eval1(" round(7.5) "),8)
assert_equal(eval1(" round(-7.5) "),-7)
assert_equal(eval1(" round(-0.0e0)) "),-0)
assert_equal(eval1(" round( 4.6e0 ) "),5)
assert_true(eval1(" string( 'abc' ) = 'abc'"))
assert_equal(eval1("string-join(('a', 'b', 'c'), ', ')"),"a, b, c")
assert_equal(eval1("string-join(('A', 'B', 'C'), '')"),"ABC")
assert_equal(eval1("string-join((), '∼') "), "")
assert_equal(eval1("string-length('a')"),1)
assert_equal(eval1("string-length('ä')"),1)
assert_equal(eval1("string-length('')"),0)
assert_equal(eval1(" upper-case('äöüaou') "), "ÄÖÜAOU")
end
function test.test_ifthenelse()
assert_true(eval1( " if ( 1 = 1 ) then true() else false()" ))
assert_false(eval1(" if ( 1 = 2 ) then true() else false()" ))
assert_equal(eval1(" if ( true() ) then 1 else 2"),1)
assert_equal(eval1(" if ( false() ) then 1 else 2"),2 )
assert_equal(eval1(" if ( false() ) then 'a' else 'b'"),"b")
assert_equal(eval1(" if ( true() ) then 'a' else 'b'"),"a")
end
function test.test_unaryexpr( )
assert_equal(eval1(" -4 "), -4)
assert_equal(eval1(" +-+-+4 "), 4)
assert_equal(eval1(" 5 - 1 - 3 "), 1)
end
function test.test_parse_arithmetic( )
assert_equal(eval1(" 4 "), 4)
assert_equal(eval1(" -3.2 " ),-3.2)
assert_equal(eval1(" -3" ),-3)
assert_equal(eval1(" 5"), 5)
assert_equal(eval1(" 3.4 "), 3.4)
assert_equal(eval1(" 'string' "), "string")
assert_equal(eval1(" 5 * 6"), 30)
assert_equal(eval1(" 5 mod 2 "), 1)
assert_equal(eval1(" 4 mod 2 "), 0)
assert_equal(eval1(" 9 * 4 div 6"), 6)
assert_equal(eval1(" 6 + 5"), 11)
assert_equal(eval1(" 6 - 5" ), 1)
assert_equal(eval1(" 6-5" ), 1)
assert_equal(eval1(" 6 + 5 + 3"), 14)
assert_equal(eval1(" 10 - 10 - 5 "), -5)
assert_equal(eval1(" 4 * 2 + 6"), 14)
assert_equal(eval1(" 6 + 4 * 2"), 14)
assert_equal(eval1(" 6 + 4 div 2"), 8)
assert_equal(eval1(" 3.4 * 2" ), 6.8)
assert_equal(eval1(" $two + 2"), 4)
assert_equal(eval1(" 1 - $one"), 0)
assert_equal(eval1("3.4 * $two"), 6.8)
assert_equal(eval1(" $two * 3.4"), 6.8)
assert_equal(eval1(" ( 6 + 4 )"), 10)
assert_equal(eval1(" ( 6 + 4 ) * 2"), 20)
assert_equal(eval1("2 * $a"),10)
assert_equal(eval1("$one-two div $a"),2.4)
assert_equal(eval1("$one-two idiv $a"),2)
assert_equal(eval1("(1,2,3)"),{1,2,3})
assert_equal(eval1(" 1 to 3 "),{1,2,3})
assert_equal(eval1("for $foo in 1 to 3 return $foo"),{1,2,3})
assert_equal(eval1("(1,2) = (2,3)"),true)
assert_equal(eval1("(1,2 (: a comment :) ,3)"),{1,2,3})
assert_equal(eval1(" 10 idiv 3 "), 3)
assert_equal(eval1(" 3 idiv -2 "), -1)
assert_equal(eval1(" -3 idiv 2 "), -1)
assert_equal(eval1(" -3 idiv -2 "), 1)
assert_equal(eval1(" 9.0 idiv 3 "), 3)
assert_equal(eval1(" -3.5 idiv 3 "), -1)
assert_equal(eval1(" 3.0 idiv 4 "), 0)
end
function test.test_string()
assert_equal(eval1("'aäßc'" ),'aäßc')
assert_equal(eval1('"aäßc"' ),'aäßc')
assert_equal(eval1(" 'aäßc' " ),'aäßc')
assert_equal(eval1(" 'ba\"r' "),"ba\"r")
end
function test.test_multiple()
assert_equal(eval1("3 , 3" ),{3,3})
assert_equal(eval1("(3 , 3)" ),{3,3})
assert_true(eval1("(1,2,3)[2] = 2"))
assert_true(eval1("( (),2 )[1] = 2"))
assert_equal(eval1("( 1,2,(),3 )"),{1,2,3})
end
function test.test_xmltable1()
assert_equal(eval1("count( / root / * ) "),5)
assert_equal(eval1("count( / root / @ * ) "),4)
assert_true(eval1(" /root/@one < 2 and /root/@one >= 1 " ))
assert_false(eval1(" /root/@one > 2 and /root/@one <= 1 " ))
assert_equal(eval1("count( /root/sub[position() mod 2 = 0]) "),1)
assert_equal(eval1("count( /root/sub[position() mod 2 = 1]) "),2)
assert_equal(eval1(" string(/root/sub[position() mod 2 = 0]/@foo) "),'bar')
assert_equal(eval1(" count(/root/sub[3]) "),1)
assert_equal(eval1(" count(/root/sub[4]) "),0)
assert_equal(eval1(" count(/root[1]/sub[3]) "),1)
assert_equal(eval1(" count(/root/sub[3][1]) "),1)
assert_equal(eval1(" /root/sub[@foo='bar']/last()"),{2,2})
assert_equal(eval1(" count(/root/sub[@foo='bar']/last())"),2)
assert_equal(eval1("(/root/sub[@foo='bar']/last())[1]"),2)
assert_true(eval1(" ( /root/@doesnotexist , 'str' )[1] = 'str' "))
assert_true(eval1(" ( 'str', /root/@doesnotexist )[1] = 'str' "))
assert_equal(eval1(" string(/root/@one)"),"1")
end
function test.test_xmltable2()
assert_equal(eval2("namespace-uri(/*)"),"nsfoo")
assert_equal(eval2("/*/namespace-uri()"),"nsfoo")
end
return test