public void CannotExpand()
{
var shell = new ParameterExpansion();
var output = shell.Expand("-$X-");
Assert.Equal("--", output);
}
public void EnvironmentVariable()
{
var shell = new ParameterExpansion();
var output = shell.Expand("$USERNAME");
Assert.Equal(Environment.UserName, output);
}
public void ComplexExpandAlternate4()
{
var shell = new ParameterExpansion();
shell.Parameters.Add("var1", "X");
Assert.Equal("xyz", shell.Expand("${var1:+xyz}"));
}
public void ComplexExpandDefaultWithSet1()
{
var shell = new ParameterExpansion();
Assert.Equal("abc", shell.Expand("${var=abc}"));
Assert.Equal("abc", shell.Expand("${var=xyz}"));
}
public void Empty()
{
var shell = new ParameterExpansion();
var output = shell.Expand("");
Assert.Equal("", output);
}
public void ComplexExpandDefault8()
{
var shell = new ParameterExpansion();
var output = shell.Expand("${VAR1:-${VAR2-3}X}");
Assert.Equal("3X", output);
}
public void ComplexExpandDefault1()
{
var shell = new ParameterExpansion();
var output = shell.Expand("${VAR1-default}");
Assert.Equal("default", output);
}
public void OnlyText()
{
var shell = new ParameterExpansion();
var output = shell.Expand("Test");
Assert.Equal("Test", output);
}
public void LoneDollar3()
{
var shell = new ParameterExpansion();
var output = shell.Expand("$X$");
Assert.Equal("$", output);
}
public void ComplexExpandDefaultWithSet3()
{
var shell = new ParameterExpansion();
shell.Parameters.Add("var", "");
Assert.Equal("abc", shell.Expand("${var:=abc}"));
Assert.Equal("abc", shell.Expand("${var:=xyz}"));
}
public void EnvironmentVariableDisable()
{
var shell = new ParameterExpansion()
{
UseEnvironmentVariables = false
};
var output = shell.Expand("$USERNAME");
Assert.Equal("", output);
}
public void EnvironmentVariableOverwrite()
{
var shell = new ParameterExpansion();
shell.RetrieveParameter += delegate(object sender, ParameterExpansionEventArgs e) {
e.Value = (e.Name == "USERNAME") ? "--" : null;
};
var output = shell.Expand("$USERNAME");
Assert.Equal("--", output);
}
public void ComplexExpandUnfinishedExtra()
{
var shell = new ParameterExpansion();
shell.RetrieveParameter += delegate(object sender, ParameterExpansionEventArgs e) {
e.Value = (e.Name == "VAR1") ? "test" : null;
};
var output = shell.Expand("${VAR1:}");
Assert.Equal("test", output);
}
public void ComplexExpandDefault4()
{
var shell = new ParameterExpansion();
shell.RetrieveParameter += delegate(object sender, ParameterExpansionEventArgs e) {
e.Value = (e.Name == "VAR1") ? "" : null;
};
var output = shell.Expand("${VAR1:-default}");
Assert.Equal("default", output);
}
public void SimpleExpand3()
{
var shell = new ParameterExpansion();
shell.RetrieveParameter += delegate(object sender, ParameterExpansionEventArgs e) {
e.Value = e.Name.ToLowerInvariant();
};
var output = shell.Expand("$X$Y$Z");
Assert.Equal("xyz", output);
}
public void SimpleExpand2()
{
var shell = new ParameterExpansion();
shell.RetrieveParameter += delegate(object sender, ParameterExpansionEventArgs e) {
e.Value = (e.Name == "X") ? "Y" : null;
};
var output = shell.Expand("-$X-");
Assert.Equal("-Y-", output);
}
public void SpecialChars()
{
var shell = new ParameterExpansion();
shell.RetrieveParameter += delegate(object sender, ParameterExpansionEventArgs e) {
e.Value = (e.Name == "X") ? "\n" : null;
};
var output = shell.Expand("\t$X\r\0");
Assert.Equal("\t\n\r\0", output);
}
public void ComplexExpandDefault6()
{
var shell = new ParameterExpansion();
shell.RetrieveParameter += delegate(object sender, ParameterExpansionEventArgs e) {
e.Value = (e.Name) switch {
"VAR2" => "2",
_ => null,
};
};
var output = shell.Expand("${VAR1:-${VAR2}}");
Assert.Equal("2", output);
}
public void Lowercase2()
{
var shell = new ParameterExpansion();
shell.RetrieveParameter += delegate(object sender, ParameterExpansionEventArgs e) {
e.Value = (e.Name) switch {
"X" => "TESTING",
_ => null,
};
};
var output = shell.Expand("${X,,}");
Assert.Equal("testing", output);
}
public void Substring9()
{
var shell = new ParameterExpansion();
shell.RetrieveParameter += delegate(object sender, ParameterExpansionEventArgs e) {
e.Value = (e.Name) switch {
"string" => "01234567890abcdefgh",
_ => null,
};
};
var output = shell.Expand("${string:18}");
Assert.Equal("h", output);
}
public void SubstringOutOfRange4()
{
var shell = new ParameterExpansion();
shell.RetrieveParameter += delegate(object sender, ParameterExpansionEventArgs e) {
e.Value = (e.Name) switch {
"string" => "AB",
_ => null,
};
};
var output = shell.Expand("${string:0:3}");
Assert.Equal("AB", output);
}
public void OperatorLowercase()
{
var shell = new ParameterExpansion();
shell.RetrieveParameter += delegate(object sender, ParameterExpansionEventArgs e) {
e.Value = (e.Name) switch {
"X" => "valuE",
_ => null,
};
};
var output = shell.Expand("${X@L}");
Assert.Equal("value", output);
}
public void ExpandVariableGetsCached()
{
var retrieveCount = 0;
var shell = new ParameterExpansion();
shell.RetrieveParameter += delegate(object sender, ParameterExpansionEventArgs e) {
e.Value = (e.Name == "X") ? "Y" : null;
retrieveCount += 1;
};
var output = shell.Expand("A${X}${X}B");
Assert.Equal("AYYB", output);
Assert.Equal(1, retrieveCount);
}
public void ParameterLength()
{
var shell = new ParameterExpansion();
shell.RetrieveParameter += delegate(object sender, ParameterExpansionEventArgs e) {
e.Value = (e.Name) switch {
"VAR" => "Value",
_ => null,
};
};
var output = shell.Expand("${#VAR}");
Assert.Equal("5", output);
}
public void IndirectionNotFound()
{
var shell = new ParameterExpansion();
shell.RetrieveParameter += delegate(object sender, ParameterExpansionEventArgs e) {
e.Value = (e.Name) switch {
"IND" => "VAR",
_ => null,
};
};
var output = shell.Expand("${!IND}");
Assert.Equal("", output);
}
public void WithoutAutoAdd()
{
var retrieveCount = 0;
var shell = new ParameterExpansion()
{
AutoAddParameters = false
};
shell.RetrieveParameter += delegate(object sender, ParameterExpansionEventArgs e) {
retrieveCount += 1;
e.Value = (e.Name) switch {
"X" => retrieveCount.ToString(CultureInfo.InvariantCulture),
_ => null,
};
};
var output = shell.Expand("${X}${X}${X}");
Assert.Equal("123", output);
Assert.Equal(3, retrieveCount);
}
public void ComplexWithAutoAdd()
{
var retrieveCount = 0;
var shell = new ParameterExpansion()
{
AutoAddParameters = true
};
shell.RetrieveParameter += delegate(object sender, ParameterExpansionEventArgs e) {
retrieveCount += 1;
e.Value = (e.Name) switch {
"X" => retrieveCount.ToString(CultureInfo.InvariantCulture),
"Z" => "Z",
_ => null,
};
};
var output = shell.Expand("${UPS1:-${X}}${UPS2:-${X}}$X$X$Z");
Assert.Equal("1111Z", output);
Assert.Equal(4, retrieveCount);
}
public void ComplexExpandAlternate1()
{
var shell = new ParameterExpansion();
Assert.Equal("", shell.Expand("${var1+xyz}"));
}
