Add integration tests
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30
tests/error_tests.rs
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30
tests/error_tests.rs
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@ -0,0 +1,30 @@
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use naive_json_parser::*;
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#[test]
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fn sanity_check() {
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let res = JSON::parse(r#"-q"#);
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assert_eq!(
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res,
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Err(ParseError::ExpectedDigit(String::from(
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"Expected a digit, received 'q' after numeric '-'"
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)))
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);
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}
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#[test]
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fn bad_object_trailing_comma() {
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let res = JSON::parse("{,}");
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assert_eq!(
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res,
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Err(ParseError::ExpectedObjectKey(String::from(
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"Expected an object key. Does the object have a trailing comma?"
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)))
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);
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}
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#[test]
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fn bad_json() {
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let res = JSON::parse(r#"5eq"#);
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assert!(res.is_err());
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println!("{:#?}", res);
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}
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170
tests/happy_paths.rs
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170
tests/happy_paths.rs
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@ -0,0 +1,170 @@
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use naive_json_parser::JSONValue::{Array, False, Null, Number, Object, True};
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use naive_json_parser::*;
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use std::collections::HashMap;
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use std::f64::consts::PI;
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#[test]
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fn sanity_check() {
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let res = JSON::parse(r#""foo""#);
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assert_eq!(res, Ok(JSONValue::String(String::from("foo"))));
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let json = format!("{}", PI);
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let res = JSON::parse(&json);
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assert_eq!(res, Ok(JSONValue::Number(PI)));
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}
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#[test]
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fn can_parse_array_of_keywords() {
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let result = JSON::parse("[true,false,null]");
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assert_eq!(result, Ok(Array(vec![True, False, Null])));
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}
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#[test]
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fn parse_json_types() {
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// Boolean / Null
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let res = JSON::parse("true");
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assert_eq!(res, Ok(True));
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let res = JSON::parse("false");
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assert_eq!(res, Ok(False));
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let res = JSON::parse("null");
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assert_eq!(res, Ok(Null));
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// Number
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let res = JSON::parse("9.38083151965");
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assert_eq!(res, Ok(Number(9.38083151965)), "Failed to parse number");
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// String
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let res = JSON::parse(r#""/^$/""#);
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assert_eq!(res, Ok(JSONValue::from("/^$/")), "Failed to parse string");
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// Number array
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let res = JSON::parse("[1, 2, 3]");
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assert_eq!(
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res,
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Ok(Array(vec![Number(1f64), Number(2f64), Number(3f64)]))
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);
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// Object array
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let result = JSON::parse("[{}]");
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assert_eq!(result, Ok(JSONValue::Array(vec![Object(HashMap::new())])));
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}
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#[test]
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fn parse_nested_object() {
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let res = JSON::parse(r#"{"a": {"b": []}}"#);
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let mut outermap: JSONMap = HashMap::new();
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let mut innermap: JSONMap = HashMap::new();
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innermap.insert(String::from("b"), Array(vec![]));
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outermap.insert(String::from("a"), Object(innermap));
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let expected = Ok(Object(outermap));
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assert_eq!(res, expected);
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}
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#[test]
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fn parse_object_with_number_values() {
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let result = JSON::parse(r#"[{ "a": 9.38083151965, "b": 4e3 }]"#);
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let mut map: JSONMap = HashMap::new();
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map.insert(String::from("a"), Number(9.38083151965f64));
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map.insert(String::from("b"), Number(4e3f64));
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let expected = Ok(Array(vec![Object(map)]));
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assert_eq!(
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result, expected,
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"Failed on just number values: {:#?}",
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result
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);
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}
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#[test]
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fn parse_weird_character_array() {
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let result =
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JSON::parse(r#"["\"", "\\", "/", "\b", "\f", "\n", "\r", "\t", "\u0001", "\uface"]"#);
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let expected = Ok(Array(vec![
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JSONValue::from("\""),
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JSONValue::from("\\"),
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JSONValue::from("/"),
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JSONValue::from("\u{8}"),
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JSONValue::from("\x0C"),
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JSONValue::from("\n"),
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JSONValue::from("\r"),
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JSONValue::from("\t"),
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JSONValue::from("\u{1}"),
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JSONValue::from("\u{face}"),
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]));
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assert_eq!(result, expected);
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}
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#[test]
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fn parse_full_json_example() {
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let result = JSON::parse(
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r#"[{
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"a": 9.38083151965,
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"b": 4e3,
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"c": [1, 2, 3],
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"d": "foo",
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"e": {
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"f": {
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"g": {
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"h": null
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}
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}
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},
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"i": ["\"", "\\", "/", "\b", "\f", "\n", "\r", "\t", "\u0001", "\uface"]
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}]"#,
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);
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let mut map: JSONMap = HashMap::new();
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let mut emap: JSONMap = HashMap::new();
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let mut fmap: JSONMap = HashMap::new();
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let mut gmap: JSONMap = HashMap::new();
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gmap.insert(String::from("h"), Null);
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fmap.insert(String::from("g"), Object(gmap));
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emap.insert(String::from("f"), Object(fmap));
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map.insert(String::from("a"), Number(9.38083151965f64));
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map.insert(String::from("b"), Number(4e3f64));
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map.insert(
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String::from("c"),
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Array(vec![Number(1f64), Number(2f64), Number(3f64)]),
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);
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map.insert(String::from("d"), JSONValue::from("foo"));
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map.insert(String::from("e"), Object(emap));
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map.insert(
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String::from("i"),
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Array(vec![
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JSONValue::from("\""),
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JSONValue::from("\\"),
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JSONValue::from("/"),
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JSONValue::from("\u{8}"),
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JSONValue::from("\x0C"),
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JSONValue::from("\n"),
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JSONValue::from("\r"),
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JSONValue::from("\t"),
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JSONValue::from("\u{1}"),
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JSONValue::from("\u{face}"),
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]),
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);
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assert!(result.is_ok(), format!("{:#?}", result));
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let outer_array: Vec<JSONValue> = result.unwrap().unwrap();
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let result_map: JSONMap = outer_array[0].clone().unwrap();
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for (k, v) in &map {
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assert_eq!(
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result_map.get(k).unwrap(),
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v,
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"HashMap Entry Differs: {:#?}, {:#?}",
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result_map.get(k).unwrap(),
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v
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);
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}
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}
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