/// <summary>
/// Set up expression tests by creating files for existence checks.
/// </summary>
public ExpressionTest(ITestOutputHelper output)
{
this.output = output;
ItemDictionary <ProjectItemInstance> itemBag = new ItemDictionary <ProjectItemInstance>();
// Dummy project instance to own the items.
ProjectRootElement xml = ProjectRootElement.Create();
xml.FullPath = @"c:\abc\foo.proj";
ProjectInstance parentProject = new ProjectInstance(xml);
itemBag.Add(new ProjectItemInstance(parentProject, "u", "a'b;c", parentProject.FullPath));
itemBag.Add(new ProjectItemInstance(parentProject, "v", "a", parentProject.FullPath));
itemBag.Add(new ProjectItemInstance(parentProject, "w", "1", parentProject.FullPath));
itemBag.Add(new ProjectItemInstance(parentProject, "x", "true", parentProject.FullPath));
itemBag.Add(new ProjectItemInstance(parentProject, "y", "xxx", parentProject.FullPath));
itemBag.Add(new ProjectItemInstance(parentProject, "z", "xxx", parentProject.FullPath));
itemBag.Add(new ProjectItemInstance(parentProject, "z", "yyy", parentProject.FullPath));
PropertyDictionary <ProjectPropertyInstance> propertyBag = new PropertyDictionary <ProjectPropertyInstance>();
propertyBag.Set(ProjectPropertyInstance.Create("a", "no"));
propertyBag.Set(ProjectPropertyInstance.Create("b", "true"));
propertyBag.Set(ProjectPropertyInstance.Create("c", "1"));
propertyBag.Set(ProjectPropertyInstance.Create("d", "xxx"));
propertyBag.Set(ProjectPropertyInstance.Create("e", "xxx"));
propertyBag.Set(ProjectPropertyInstance.Create("f", "1.9.5"));
propertyBag.Set(ProjectPropertyInstance.Create("and", "and"));
propertyBag.Set(ProjectPropertyInstance.Create("a_semi_c", "a;c"));
propertyBag.Set(ProjectPropertyInstance.Create("a_apos_b", "a'b"));
propertyBag.Set(ProjectPropertyInstance.Create("foo_apos_foo", "foo'foo"));
propertyBag.Set(ProjectPropertyInstance.Create("a_escapedsemi_b", "a%3bb"));
propertyBag.Set(ProjectPropertyInstance.Create("a_escapedapos_b", "a%27b"));
propertyBag.Set(ProjectPropertyInstance.Create("has_trailing_slash", @"foo\"));
Dictionary <string, string> metadataDictionary = new Dictionary <string, string>(StringComparer.OrdinalIgnoreCase);
metadataDictionary["Culture"] = "french";
StringMetadataTable itemMetadata = new StringMetadataTable(metadataDictionary);
_expander = new Expander <ProjectPropertyInstance, ProjectItemInstance>(propertyBag, itemBag, itemMetadata, FileSystems.Default);
foreach (string file in FilesWithExistenceChecks)
{
using (StreamWriter sw = File.CreateText(file)) {; }
}
}
public void EvaluateAVarietyOfExpressions()
{
string[] files = { "a", "a;b", "a'b", ";", "'" };
try
{
foreach (string file in files)
{
using (StreamWriter sw = File.CreateText(file)) {; }
}
Parser p = new Parser();
GenericExpressionNode tree;
ItemDictionary <ProjectItemInstance> itemBag = new ItemDictionary <ProjectItemInstance>();
// Dummy project instance to own the items.
ProjectRootElement xml = ProjectRootElement.Create();
xml.FullPath = @"c:\abc\foo.proj";
ProjectInstance parentProject = new ProjectInstance(xml);
itemBag.Add(new ProjectItemInstance(parentProject, "u", "a'b;c", parentProject.FullPath));
itemBag.Add(new ProjectItemInstance(parentProject, "v", "a", parentProject.FullPath));
itemBag.Add(new ProjectItemInstance(parentProject, "w", "1", parentProject.FullPath));
itemBag.Add(new ProjectItemInstance(parentProject, "x", "true", parentProject.FullPath));
itemBag.Add(new ProjectItemInstance(parentProject, "y", "xxx", parentProject.FullPath));
itemBag.Add(new ProjectItemInstance(parentProject, "z", "xxx", parentProject.FullPath));
itemBag.Add(new ProjectItemInstance(parentProject, "z", "yyy", parentProject.FullPath));
PropertyDictionary <ProjectPropertyInstance> propertyBag = new PropertyDictionary <ProjectPropertyInstance>();
propertyBag.Set(ProjectPropertyInstance.Create("a", "no"));
propertyBag.Set(ProjectPropertyInstance.Create("b", "true"));
propertyBag.Set(ProjectPropertyInstance.Create("c", "1"));
propertyBag.Set(ProjectPropertyInstance.Create("d", "xxx"));
propertyBag.Set(ProjectPropertyInstance.Create("e", "xxx"));
propertyBag.Set(ProjectPropertyInstance.Create("f", "1.9.5"));
propertyBag.Set(ProjectPropertyInstance.Create("and", "and"));
propertyBag.Set(ProjectPropertyInstance.Create("a_semi_b", "a;b"));
propertyBag.Set(ProjectPropertyInstance.Create("a_apos_b", "a'b"));
propertyBag.Set(ProjectPropertyInstance.Create("foo_apos_foo", "foo'foo"));
propertyBag.Set(ProjectPropertyInstance.Create("a_escapedsemi_b", "a%3bb"));
propertyBag.Set(ProjectPropertyInstance.Create("a_escapedapos_b", "a%27b"));
propertyBag.Set(ProjectPropertyInstance.Create("has_trailing_slash", @"foo\"));
Dictionary <string, string> metadataDictionary = new Dictionary <string, string>(StringComparer.OrdinalIgnoreCase);
metadataDictionary["Culture"] = "french";
StringMetadataTable itemMetadata = new StringMetadataTable(metadataDictionary);
Expander <ProjectPropertyInstance, ProjectItemInstance> expander =
new Expander <ProjectPropertyInstance, ProjectItemInstance>(propertyBag, itemBag, itemMetadata);
string[] trueTests =
{
"true or (SHOULDNOTEVALTHIS)", // short circuit
"(true and false) or true",
"false or true or false",
"(true) and (true)",
"false or !false",
"($(a) or true)",
"('$(c)'==1 and (!false))",
"@(z -> '%(filename).z', '$')=='xxx.z$yyy.z'",
"@(w -> '%(definingprojectname).barproj') == 'foo.barproj'",
"false or (false or (false or (false or (false or (true)))))",
"!(true and false)",
"$(and)=='and'",
"0x1==1.0",
"0xa==10",
"0<0.1",
"+4>-4",
"'-$(c)'==-1",
"$(a)==faLse",
"$(a)==oFF",
"$(a)==no",
"$(a)!=true",
"$(b)== True",
"$(b)==on",
"$(b)==yes",
"$(b)!=1",
"$(c)==1",
"$(d)=='xxx'",
"$(d)==$(e)",
"$(d)=='$(e)'",
"@(y)==$(d)",
"'@(z)'=='xxx;yyy'",
"$(a)==$(a)",
"'1'=='1'",
"'1'==1",
"1\n==1",
"1\t==\t\r\n1",
"123=='0123.0'",
"123==123",
"123==0123",
"123==0123.0",
"123!=0123.01",
"1.2.3<=1.2.3.0",
"12.23.34==12.23.34",
"0.8.0.0<8.0.0",
"1.1.2>1.0.1.2",
"8.1>8.0.16.23",
"8.0.0>=8",
"6<=6.0.0.1",
"7>6.8.2",
"4<5.9.9135.4",
"3!=3.0.0",
"1.2.3.4.5.6.7==1.2.3.4.5.6.7",
"00==0",
"0==0.0",
"1\n\t==1",
"+4==4",
"44==+44.0 and -44==-44.0",
"false==no",
"true==yes",
"true==!false",
"yes!=no",
"false!=1",
"$(c)>0",
"!$(a)",
"$(b)",
"($(d)==$(e))",
"!true==false",
"a_a==a_a",
"a_a=='a_a'",
"_a== _a",
"@(y -> '%(filename)')=='xxx'",
"@(z -> '%(filename)', '!')=='xxx!yyy'",
"'xxx!yyy'==@(z -> '%(filename)', '!')",
"'$(a)'==(false)",
"('$(a)'==(false))",
"1>0",
"2<=2",
"2<=3",
"1>=1",
"1>=-1",
"-1==-1",
"-1 < 0",
"(1==1)and('a'=='a')",
"(true) and ($(a)==off)",
"(true) and ($(d)==xxx)",
"(false) or($(d)==xxx)",
"!(false)and!(false)",
"'and'=='AND'",
"$(d)=='XxX'",
"true or true or false",
"false or true or !true or'1'",
"$(a) or $(b)",
"$(a) or true",
"!!true",
"'$(e)1@(y)'=='xxx1xxx'",
"0x11==17",
"0x01a==26",
"0xa==0x0A",
"@(x)",
"'%77'=='w'",
"'%zz'=='%zz'",
"true or 1",
"true==!false",
"(!(true))=='off'",
"@(w)>0",
"1<=@(w)",
"%(culture)=='FRENCH'",
"'%(culture) fries' == 'FRENCH FRIES' ",
@"'%(HintPath)' == ''",
@"%(HintPath) != 'c:\myassemblies\foo.dll'",
"exists('a')",
"exists(a)",
"exists('a%3bb')", /* semicolon */
"exists('a%27b')", /* apostrophe */
"exists($(a_escapedsemi_b))",
"exists('$(a_escapedsemi_b)')",
"exists($(a_escapedapos_b))",
"exists('$(a_escapedapos_b)')",
"exists($(a_apos_b))",
"exists('$(a_apos_b)')",
"exists(@(v))",
"exists('@(v)')",
"exists('%3b')",
"exists('%27')",
"exists('@(v);@(nonexistent)')",
@"HASTRAILINGSLASH('foo\')",
@"!HasTrailingSlash('foo')",
@"HasTrailingSlash('foo/')",
@"HasTrailingSlash($(has_trailing_slash))",
"'59264.59264' == '59264.59264'",
"1" + new String('0', 500) + "==" + "1" + new String('0', 500), /* too big for double, eval as string */
"'1" + new String('0', 500) + "'=='" + "1" + new String('0', 500) + "'" /* too big for double, eval as string */
};
string[] falseTests =
{
"false and SHOULDNOTEVALTHIS", // short circuit
"$(a)!=no",
"$(b)==1.1",
"$(c)==$(a)",
"$(d)!=$(e)",
"!$(b)",
"false or false or false",
"false and !((true and false))",
"on and off",
"(true) and (false)",
"false or (false or (false or (false or (false or (false)))))",
"!$(b)and true",
"1==a",
"!($(d)==$(e))",
"$(a) and true",
"true==1",
"false==0",
"(!(true))=='x'",
"oops==false",
"oops==!false",
"%(culture) == 'english'",
"'%(culture) fries' == 'english fries' ",
@"'%(HintPath)' == 'c:\myassemblies\foo.dll'",
@"%(HintPath) == 'c:\myassemblies\foo.dll'",
"exists('')",
"exists(' ')",
"exists($(nonexistent))", // DDB #141195
"exists('$(nonexistent)')", // DDB #141195
"exists(@(nonexistent))", // DDB #141195
"exists('@(nonexistent)')", // DDB #141195
"exists('\t')",
"exists('@(u)')",
"exists('$(foo_apos_foo)')",
"!exists('a')",
"!!!exists(a)",
"exists('|||||')",
@"hastrailingslash('foo')",
@"hastrailingslash('')",
@"HasTrailingSlash($(nonexistent))",
"'59264.59264' == '59264.59265'",
"1.2.0==1.2",
"$(f)!=$(f)",
"1.3.5.8>1.3.6.8",
"0.8.0.0>=1.0",
"8.0.0<=8.0",
"8.1.2<8",
"1" + new String('0', 500) + "==2", /* too big for double, eval as string */
"'1" + new String('0', 500) + "'=='2'", /* too big for double, eval as string */
"'1" + new String('0', 500) + "'=='01" + new String('0', 500) + "'" /* too big for double, eval as string */
};
string[] errorTests =
{
"$",
"$(",
"$()",
"@",
"@(",
"@()",
"%",
"%(",
"%()",
"exists",
"exists(",
"exists()",
"exists( )",
"exists(,)",
"@(x->'",
"@(x->''",
"@(x-",
"@(x->'x','",
"@(x->'x',''",
"@(x->'x','')",
"-1>x",
"%00",
"\n",
"\t",
"+-1==1",
"1==-+1",
"1==+0xa",
"!$(c)",
"'a'==('a'=='a')",
"'a'!=('a'=='a')",
"('a'=='a')!=a",
"('a'=='a')==a",
"!'x'",
"!'$(d)'",
"ab#==ab#",
"#!=#",
"$(d)$(e)=='xxxxxx'",
"1=1=1",
"'a'=='a'=='a'",
"1 > 'x'",
"x1<=1",
"1<=x",
"1>x",
"x<x",
"@(x)<x",
"x>x",
"x>=x",
"x<=x",
"x>1",
"x>=1",
"1>=x",
"@(y)<=1",
"1<=@(z)",
"1>$(d)",
"$(c)@(y)>1",
"'$(c)@(y)'>1",
"$(d)>=1",
"1>=$(b)",
"1> =0",
"or true",
"1 and",
"and",
"or",
"not",
"not true",
"()",
"(a)",
"!",
"or=or",
"1==",
"1= =1",
"=",
"'true",
"'false''",
"'a'=='a",
"('a'=='a'",
"('a'=='a'))",
"'a'=='a')",
"!and",
"@(a)@(x)!=1",
"@(a) @(x)!=1",
"$(a==off",
"=='x'",
"==",
"!0",
">",
"true!=false==",
"true!=false==true",
"()",
"!1",
"1==(2",
"$(a)==x>1==2",
"'a'>'a'",
"0",
"$(a)>0",
"!$(e)",
"1<=1<=1",
"true $(and) true",
"--1==1",
"$(and)==and",
"!@#$%^&*",
"-($(c))==-1",
"a==b or $(d)",
"false or $()",
"$(d) or true",
"%(Culture) or true",
"@(nonexistent) and true",
"$(nonexistent) and true",
"@(nonexistent)",
"$(nonexistent)",
"@(z) and true",
"@() and true",
"@()",
"$()",
"1",
"1 or true",
"false or 1",
"1 and true",
"true and 1",
"!1",
"false or !1",
"false or 'aa'",
"true blah",
"existsX",
"!",
"nonexistentfunction('xyz')",
"exists('a;b')", /* non scalar */
"exists(@(z))",
"exists('@(z)')",
"exists($(a_semi_b))",
"exists('$(a_semi_b)')",
"exists(@(v)x)",
"exists(@(v)$(nonexistent))",
"exists('@(v)$(a)')",
"exists(|||||)",
"HasTrailingSlash(a,'b')",
"HasTrailingSlash(,,)",
"1.2.3==1,2,3"
};
for (int i = 0; i < trueTests.GetLength(0); i++)
{
tree = p.Parse(trueTests[i], ParserOptions.AllowAll, ElementLocation.EmptyLocation);
ConditionEvaluator.IConditionEvaluationState state =
new ConditionEvaluator.ConditionEvaluationState <ProjectPropertyInstance, ProjectItemInstance>
(
trueTests[i],
expander,
ExpanderOptions.ExpandAll,
null,
Environment.CurrentDirectory,
ElementLocation.EmptyLocation
);
Assert.IsTrue(tree.Evaluate(state), "expected true from '" + trueTests[i] + "'");
}
for (int i = 0; i < falseTests.GetLength(0); i++)
{
tree = p.Parse(falseTests[i], ParserOptions.AllowAll, ElementLocation.EmptyLocation);
ConditionEvaluator.IConditionEvaluationState state =
new ConditionEvaluator.ConditionEvaluationState <ProjectPropertyInstance, ProjectItemInstance>
(
falseTests[i],
expander,
ExpanderOptions.ExpandAll,
null,
Environment.CurrentDirectory,
ElementLocation.EmptyLocation
);
Assert.IsFalse(tree.Evaluate(state), "expected false from '" + falseTests[i] + "' and got true");
}
for (int i = 0; i < errorTests.GetLength(0); i++)
{
// It seems that if an expression is invalid,
// - Parse may throw, or
// - Evaluate may throw, or
// - Evaluate may return false causing its caller EvaluateCondition to throw
bool success = true;
bool caughtException = false;
bool value;
try
{
tree = p.Parse(errorTests[i], ParserOptions.AllowAll, ElementLocation.EmptyLocation);
ConditionEvaluator.IConditionEvaluationState state =
new ConditionEvaluator.ConditionEvaluationState <ProjectPropertyInstance, ProjectItemInstance>
(
errorTests[i],
expander,
ExpanderOptions.ExpandAll,
null,
Environment.CurrentDirectory,
ElementLocation.EmptyLocation
);
value = tree.Evaluate(state);
if (!success)
{
Console.WriteLine(errorTests[i] + " caused Evaluate to return false");
}
}
catch (InvalidProjectFileException ex)
{
Console.WriteLine(errorTests[i] + " caused '" + ex.Message + "'");
caughtException = true;
}
Assert.IsTrue((success == false || caughtException == true), "expected '" + errorTests[i] + "' to not parse or not be evaluated");
}
}
finally
{
foreach (string file in files)
{
if (File.Exists(file))
{
File.Delete(file);
}
}
}
}
