public static void ParseFunctionReferenceTwoArguments()
{
var expression = "concat('aaa', 'bbb')";
var actual = ArmExpressionParser.Parse(expression);
var expected = new ArmInvocationExpressionAst(
expression: new ArmFunctionReferenceAst(
name: new IdentifierToken("concat")
),
argumentList: new ArmArgumentListAst(
openParen: new OpenParenToken(),
arguments: new List <ArmExpressionAst>()
{
new ArmStringLiteralExpressionAst(
new StringLiteralToken("aaa")
),
new ArmStringLiteralExpressionAst(
new StringLiteralToken("bbb")
)
},
closeParen: new CloseParenToken()
)
);
ParserHelper.AssertAreEqual(expected, actual);
Assert.AreEqual(expression, actual.ToArmText());
}
public static void ParseFunctionReferenceUnexpectedSequence()
{
var expression = "concat()'storage'";
var ex = Assert.Throws <InvalidOperationException>(
() => {
var actual = ArmExpressionParser.Parse(expression);
}
);
var expectedMessage = "End of expression expected.";
Assert.AreEqual(expectedMessage, ex.Message);
}
public static void ParseFunctionReferenceUnclosedStringQuotes()
{
var expression = "concat('storage";
var ex = Assert.Throws <InvalidOperationException>(
() => {
var actual = ArmExpressionParser.Parse(expression);
}
);
var expectedMessage = "Unterminated string found.";
Assert.AreEqual(expectedMessage, ex.Message);
}
public static void ParseFunctionReferenceUnclosedParensWithParameter()
{
var expression = "concat('storage'";
var ex = Assert.Throws <UnexpectedEndOfStreamException>(
() => {
var actual = ArmExpressionParser.Parse(expression);
}
);
var expectedMessage = "Exception of type 'Kingsland.ParseFx.Parsing.UnexpectedEndOfStreamException' was thrown.";
Assert.AreEqual(expectedMessage, ex.Message);
}
public static void ParseEmptyString()
{
var expression = "";
var ex = Assert.Throws <UnexpectedEndOfStreamException>(
() => {
var actual = ArmExpressionParser.Parse(expression);
}
);
var expectedMessage = "Exception of type 'Kingsland.ParseFx.Parsing.UnexpectedEndOfStreamException' was thrown.";
Assert.AreEqual(expectedMessage, ex.Message);
}
public static void ParseElementExpression()
{
var expression = "providers('Microsoft.Storage', 'storageAccounts').apiVersions[0]";
var actual = ArmExpressionParser.Parse(expression);
var expected = new ArmElementAccessExpressionAst(
expression: new ArmMemberAccessExpressionAst(
expression: new ArmInvocationExpressionAst(
expression: new ArmFunctionReferenceAst(
name: new IdentifierToken("providers")
),
argumentList: new ArmArgumentListAst(
openParen: new OpenParenToken(),
arguments: new List <ArmExpressionAst>()
{
new ArmStringLiteralExpressionAst(
new StringLiteralToken("Microsoft.Storage")
),
new ArmStringLiteralExpressionAst(
new StringLiteralToken("storageAccounts")
)
},
closeParen: new CloseParenToken()
)),
operatorToken: new DotOperatorToken(),
name: new IdentifierToken("apiVersions")
),
argumentList: new ArmBracketedArgumentListAst(
openBracket: new OpenBracketToken(),
arguments: new List <ArmExpressionAst>()
{
new ArmNumericLiteralExpressionAst(
new IntegerToken(0)
),
},
closeBracket: new CloseBracketToken()
)
);
ParserHelper.AssertAreEqual(expected, actual);
Assert.AreEqual(expression, actual.ToArmText());
}
public static void ParseMemberAccess()
{
var expression = "resourceGroup().id";
var actual = ArmExpressionParser.Parse(expression);
var expected = new ArmMemberAccessExpressionAst(
expression: new ArmInvocationExpressionAst(
expression: new ArmFunctionReferenceAst(
name: new IdentifierToken("resourceGroup")
),
argumentList: new ArmArgumentListAst(
openParen: new OpenParenToken(),
arguments: new List <ArmExpressionAst>(),
closeParen: new CloseParenToken()
)
),
operatorToken: new DotOperatorToken(),
name: new IdentifierToken("id")
);
ParserHelper.AssertAreEqual(expected, actual);
Assert.AreEqual(expression, actual.ToArmText());
}
