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#![cfg(feature = "serde")]
//! All these tests require serde
//!
use std::collections::HashMap;
use marked_yaml::{
from_node, from_yaml, from_yaml_with_options, parse_yaml, FromYamlError, LoaderOptions, Span,
Spanned,
};
use serde::Deserialize;
const TEST_DOC: &str = r#"# Line one is a comment
top:
- level
- is always
- two
- strings
u8s: [ 0, 1, 2, "255" ]
i8s: [ -128, 0, 127 ]
u32s: [ 65537 ]
thingy: blue
outcome:
bad: stuff
looksee: { ugly: [ first, second ] }
known: { unknown: { name: Jeff, age: 14 } }
kvs:
first: one
second: two
third: banana
falsy: false
truthy: true
yes: true
"#;
#[derive(Debug, Deserialize)]
#[allow(dead_code)]
struct FullTest {
top: Vec<Spanned<String>>,
u8s: Spanned<Vec<u8>>,
i8s: Vec<i8>,
u32s: Vec<u32>,
missing: Option<String>,
thingy: Colour,
outcome: EnumCheck,
looksee: EnumCheck,
known: EnumCheck,
kvs: HashMap<Spanned<String>, Spanned<String>>,
falsy: Spanned<bool>,
truthy: Spanned<bool>,
yes: Spanned<bool>,
}
#[derive(Deserialize, Debug)]
#[allow(dead_code)]
enum EnumCheck {
#[serde(alias = "good")]
Good(String),
#[serde(alias = "bad")]
Bad(Spanned<String>),
#[serde(alias = "ugly")]
Ugly(String, String),
#[serde(alias = "unknown")]
Unknown { name: Spanned<String>, age: i64 },
}
#[derive(Deserialize, Debug)]
enum Colour {
#[serde(alias = "blue")]
Blue,
#[serde(alias = "red")]
Red,
}
#[test]
fn read_everything() {
let nodes = parse_yaml(0, TEST_DOC).unwrap();
let doc: FullTest = from_node(&nodes).unwrap();
println!("{doc:?}");
assert_eq!(doc.top[0].as_str(), "level");
assert!(doc.falsy == false);
assert!(doc.truthy == true);
assert_ne!(doc.truthy, doc.falsy);
assert_eq!(doc.truthy, doc.yes);
assert_eq!(doc.top[2], "two");
assert_ne!(doc.top[3], "two");
let s = String::from("s");
assert!(doc.top[0] != s);
}
#[test]
fn ergonomics() {
let doc: FullTest = from_yaml(0, TEST_DOC).unwrap();
assert_eq!(doc.kvs.get("first").map(|s| s.as_str()), Some("one"));
let k1 = Spanned::new(Span::new_blank(), "k1");
let mut map = HashMap::new();
map.insert(k1, "v1");
let k2 = Spanned::new(Span::new_blank(), "k2");
assert!(!map.contains_key(&k2));
assert!(map.contains_key("k1"));
}
#[test]
fn parse_fails() {
let err = from_yaml::<FullTest>(0, "hello world").err().unwrap();
assert!(matches!(err, FromYamlError::ParseYaml(_)));
let err = from_yaml::<FullTest>(0, "hello: world").err().unwrap();
assert!(matches!(err, FromYamlError::FromNode(_)));
let s = format!("{err}");
assert!(s.starts_with("missing field"));
#[derive(Deserialize)]
#[allow(dead_code)]
struct MiniDoc {
colour: Colour,
}
let err = from_yaml::<MiniDoc>(0, "colour: {Red: optional}")
.err()
.unwrap();
let s = format! {"{err}"};
#[cfg(feature = "serde-path")]
assert_eq!(s, "colour.Red: invalid type: map, expected String");
#[cfg(not(feature = "serde-path"))]
assert_eq!(s, "invalid type: map, expected String");
}
#[test]
fn parse_fails_coerce() {
let options = LoaderOptions::default().prevent_coercion(true);
let err = from_yaml_with_options::<FullTest>(0, TEST_DOC, options)
.err()
.unwrap();
let s = format!("{err}");
#[cfg(feature = "serde-path")]
assert!(s.starts_with("u8s[3]"));
#[cfg(feature = "serde-path")]
let s = s.strip_prefix("u8s[3]: ").unwrap();
assert!(s.starts_with("invalid type: string"));
assert!(s.contains("expected u8"));
}
#[test]
fn empty_scalar_map() {
#[allow(dead_code)]
#[derive(Debug, Deserialize)]
struct Foo {
foo: HashMap<String, usize>,
}
let _: Foo = from_yaml(0, "foo:").unwrap();
}
#[test]
fn empty_scalar_seq() {
#[allow(dead_code)]
#[derive(Debug, Deserialize)]
struct Foo {
foo: Vec<String>,
}
let _: Foo = from_yaml(0, "foo:").unwrap();
}
#[test]
fn empty_scalar_unit() {
#[allow(dead_code)]
#[derive(Debug, Deserialize)]
struct Foo {
foo: (),
}
let _: Foo = from_yaml(0, "foo:").unwrap();
}
#[test]
fn empty_scalar_struct_with_default() {
#[allow(dead_code)]
#[derive(Default, Debug, Deserialize)]
struct Bar {
buz: Option<String>,
}
#[allow(dead_code)]
#[derive(Debug, Deserialize)]
struct Foo {
#[serde(default)]
bar: Bar,
}
let _: Foo = from_yaml(0, "bar:").unwrap();
}
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