public async Task When_create_new_function_Then_it_shows_in_list()
{
var namedExpression = new Client.NamedExpression()
{
Expression = new Client.Expression
{
Representation = "cuberoot(a)*b",
Parameters =
new[] { new Client.Parameter {
Name = "a"
}, new Client.Parameter {
Name = "b"
} }
},
Name = "test-function-" + Guid.NewGuid().ToString("N"),
Description = "cuberoot description"
};
await Client.CreateFunctionAsync(namedExpression);
var functionNames = await Client.FindFunctionsAsync();
Assert.Contains(namedExpression.Name, functionNames.Select(f => f.Name));
Assert.Contains(namedExpression.Expression.Representation, functionNames.Select(f => f.Expression.Representation));
Assert.Contains(namedExpression.Description, functionNames.Select(f => f.Description));
}
public async Task Given_created_function_When_replacing_it_Then_new_function_is_taken_for_calculations()
{
var initialFunc = new Client.NamedExpression()
{
Expression = new Client.Expression
{
Representation = "cuberoot(a)*b",
Parameters =
new[] { new Client.Parameter {
Name = "a"
}, new Client.Parameter {
Name = "b"
} }
},
Name = "testFunction",
Description = "cuberoot description"
};
var replacedFunc = new Client.NamedExpression()
{
Expression = new Client.Expression
{
Representation = "cuberoot(a)*b + 1",
Parameters =
new[] { new Client.Parameter {
Name = "a"
}, new Client.Parameter {
Name = "b"
} }
},
Name = "testFunction",
Description = "cuberoot description"
};
await Client.CreateFunctionAsync(initialFunc);
await Client.ReplaceFunctionAsync(replacedFunc);
var result = await Client.CalculateAsync(new Client.Expression()
{
Representation = "testFunction(a,b) + 1", Parameters = new[]
{
new Client.Parameter()
{
Name = "a", Value = 8
},
new Client.Parameter()
{
Name = "b", Value = 2
},
}
});
Assert.Equal(6, result);
}
public async Task Given_created_function_When_creating_it_again_Then_error_occures()
{
var initialFunc = new Client.NamedExpression()
{
Expression = new Client.Expression
{
Representation = "cuberoot(a)*b",
Parameters =
new[] { new Client.Parameter {
Name = "a"
}, new Client.Parameter {
Name = "b"
} }
},
Name = "testFunction" + Guid.NewGuid().ToString("N"),
Description = "cuberoot description"
};
await Client.CreateFunctionAsync(initialFunc);
await Assert.ThrowsAsync <MightyCalcException>(() => Client.CreateFunctionAsync(initialFunc));
}
public async Task Given_created_function_When_calculating_expression_with_it_Then_function_is_calculated()
{
var namedExpression = new Client.NamedExpression()
{
Expression = new Client.Expression
{
Representation = "cuberoot(a)*b",
Parameters =
new[] { new Client.Parameter {
Name = "a"
}, new Client.Parameter {
Name = "b"
} }
},
Name = "testFunction",
Description = "cuberoot description"
};
await Client.CreateFunctionAsync(namedExpression);
var result = await Client.CalculateAsync(new Client.Expression()
{
Representation = "testFunction(a,b) + 1", Parameters = new[]
{
new Client.Parameter()
{
Name = "a", Value = 8
},
new Client.Parameter()
{
Name = "b", Value = 2
},
}
});
Assert.Equal(5, result);
}
