public void ContextIsNull()
{
// arrange
var schema = Schema.Create(
"type Query { foo(a: String = \"bar\") : String }",
c =>
{
c.UseNullResolver();
c.Options.StrictValidation = false;
});
var scopedVariable = new ScopedVariableNode(
null,
new NameNode("contextData"),
new NameNode("b"));
// act
var resolver = new ContextDataScopedVariableResolver();
Action a = () => resolver.Resolve(
null,
scopedVariable,
schema.GetType <StringType>("String"));
// assert
Assert.Equal("context", Assert.Throws <ArgumentNullException>(a).ParamName);
}
public void ContextDataEntryDoesNotExist()
{
// arrange
var schema = Schema.Create(
"type Query { foo(a: String = \"bar\") : String }",
c =>
{
c.UseNullResolver();
c.Options.StrictValidation = false;
});
var contextData = new Dictionary <string, object>();
var context = new Mock <IResolverContext>(MockBehavior.Strict);
context.SetupGet(t => t.ContextData).Returns(contextData);
var scopedVariable = new ScopedVariableNode(
null,
new NameNode("contextData"),
new NameNode("a"));
// act
var resolver = new ContextDataScopedVariableResolver();
VariableValue value = resolver.Resolve(
context.Object,
scopedVariable,
schema.GetType <StringType>("String"));
// assert
Assert.Null(value.DefaultValue);
Assert.Equal("contextData_a", value.Name);
Assert.Equal("String", Assert.IsType <NamedTypeNode>(value.Type).Name.Value);
Assert.Equal(NullValueNode.Default, value.Value);
}
public void InvalidScope()
{
// arrange
var schema = Schema.Create(
"type Query { foo(a: String = \"bar\") : String }",
c =>
{
c.UseNullResolver();
c.Options.StrictValidation = false;
});
var context = new Mock <IMiddlewareContext>();
var scopedVariable = new ScopedVariableNode(
null,
new NameNode("foo"),
new NameNode("b"));
// act
var resolver = new ContextDataScopedVariableResolver();
Action a = () => resolver.Resolve(
context.Object,
scopedVariable,
schema.GetType <StringType>("String"));
// assert
Assert.Equal("variable", Assert.Throws <ArgumentException>(a).ParamName);
}
public void InvalidScope()
{
// arrange
ISchema schema = SchemaBuilder.New()
.AddDocumentFromString("type Query { foo(a: String = \"bar\") : String }")
.Use(_ => _)
.ModifyOptions(o => o.StrictValidation = false)
.Create();
var context = new Mock <IMiddlewareContext>();
var scopedVariable = new ScopedVariableNode(
null,
new NameNode("foo"),
new NameNode("b"));
// act
var resolver = new ContextDataScopedVariableResolver();
Action a = () => resolver.Resolve(
context.Object,
scopedVariable,
schema.GetType <StringType>("String"));
// assert
Assert.Equal("variable", Assert.Throws <ArgumentException>(a).ParamName);
}
public void TargetTypeIsNull()
{
// arrange
var context = new Mock <IMiddlewareContext>();
var scopedVariable = new ScopedVariableNode(
null,
new NameNode("contextData"),
new NameNode("b"));
// act
var resolver = new ContextDataScopedVariableResolver();
void Action() => resolver.Resolve(context.Object, scopedVariable, null !);
// assert
Assert.Equal("targetType", Assert.Throws <ArgumentNullException>(Action).ParamName);
}
public void CreateVariableValue()
{
// arrange
var inputFormatter = new InputFormatter();
ISchema schema = SchemaBuilder.New()
.AddDocumentFromString("type Query { foo(a: String = \"bar\") : String }")
.Use(_ => _)
.ModifyOptions(o => o.StrictValidation = false)
.Create();
var contextData = new Dictionary <string, object> {
["a"] = "AbcDef"
};
var context = new Mock <IResolverContext>(MockBehavior.Strict);
context.SetupGet(t => t.ContextData).Returns(contextData);
context.Setup(t => t.Service <InputFormatter>()).Returns(inputFormatter);
var scopedVariable = new ScopedVariableNode(
null,
new NameNode("contextData"),
new NameNode("a"));
// act
var resolver = new ContextDataScopedVariableResolver();
ScopedVariableValue value = resolver.Resolve(
context.Object,
scopedVariable,
schema.GetType <StringType>("String"));
// assert
Assert.Null(value.DefaultValue);
Assert.Equal("__contextData_a", value.Name);
Assert.Equal("String", Assert.IsType <NamedTypeNode>(value.Type).Name.Value);
Assert.Equal("AbcDef", value.Value?.Value);
}