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use ast::{Arguments, Definition, Document, Field, InputValue, Operation, OperationType, Selection};
use parser::{ParseError, SourcePosition, Spanning, Token};
use parser::document::parse_document_source;
fn parse_document(s: &str) -> Document {
parse_document_source(s).expect(&format!("Parse error on input {:#?}", s))
}
fn parse_document_error<'a>(s: &'a str) -> Spanning<ParseError<'a>> {
match parse_document_source(s) {
Ok(doc) => panic!("*No* parse error on input {:#?} =>\n{:#?}", s, doc),
Err(err) => err,
}
}
#[test]
fn simple_ast() {
assert_eq!(
parse_document(
r#"
{
node(id: 4) {
id
name
}
}
"#
),
vec![
Definition::Operation(Spanning::start_end(
&SourcePosition::new(13, 1, 12),
&SourcePosition::new(124, 6, 13),
Operation {
operation_type: OperationType::Query,
name: None,
variable_definitions: None,
directives: None,
selection_set: vec![
Selection::Field(Spanning::start_end(
&SourcePosition::new(31, 2, 16),
&SourcePosition::new(110, 5, 17),
Field {
alias: None,
name: Spanning::start_end(
&SourcePosition::new(31, 2, 16),
&SourcePosition::new(35, 2, 20),
"node",
),
arguments: Some(Spanning::start_end(
&SourcePosition::new(35, 2, 20),
&SourcePosition::new(42, 2, 27),
Arguments {
items: vec![
(
Spanning::start_end(
&SourcePosition::new(36, 2, 21),
&SourcePosition::new(38, 2, 23),
"id",
),
Spanning::start_end(
&SourcePosition::new(40, 2, 25),
&SourcePosition::new(41, 2, 26),
InputValue::int(4),
),
),
],
},
)),
directives: None,
selection_set: Some(vec![
Selection::Field(Spanning::start_end(
&SourcePosition::new(65, 3, 20),
&SourcePosition::new(67, 3, 22),
Field {
alias: None,
name: Spanning::start_end(
&SourcePosition::new(65, 3, 20),
&SourcePosition::new(67, 3, 22),
"id",
),
arguments: None,
directives: None,
selection_set: None,
},
)),
Selection::Field(Spanning::start_end(
&SourcePosition::new(88, 4, 20),
&SourcePosition::new(92, 4, 24),
Field {
alias: None,
name: Spanning::start_end(
&SourcePosition::new(88, 4, 20),
&SourcePosition::new(92, 4, 24),
"name",
),
arguments: None,
directives: None,
selection_set: None,
},
)),
]),
},
)),
],
},
)),
]
)
}
#[test]
fn errors() {
assert_eq!(
parse_document_error("{"),
Spanning::zero_width(
&SourcePosition::new(1, 0, 1),
ParseError::UnexpectedEndOfFile
)
);
assert_eq!(
parse_document_error("{ ...MissingOn }\nfragment MissingOn Type"),
Spanning::start_end(
&SourcePosition::new(36, 1, 19),
&SourcePosition::new(40, 1, 23),
ParseError::UnexpectedToken(Token::Name("Type"))
)
);
assert_eq!(
parse_document_error("{ ...on }"),
Spanning::start_end(
&SourcePosition::new(8, 0, 8),
&SourcePosition::new(9, 0, 9),
ParseError::UnexpectedToken(Token::CurlyClose)
)
);
}