femstache 0.1.2

Embrace the feminine mustache to unlock your templating dreams! Or something, I don't know. :3
Documentation 
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use crate::{input::TemplateInput, template::Template, value::Value};

macro_rules! template_test {
    ($name:ident, $input:expr, $tpl:literal, $expected:literal) => {
        #[test]
        fn $name() {
            let tpl = Template::parse($tpl).unwrap();
            assert_eq!(tpl.render(&$input).unwrap(), $expected);
        }
    };
}

struct Input;
impl TemplateInput for Input {
    fn get(&self, key: &str) -> Option<Value> {
        if key == "meow" {
            Some(Value::String("gay".to_owned()))
        } else if key == "meows" {
            Some(Value::List(vec![
                Value::String("meow".to_owned()),
                Value::String("nyan".to_owned()),
                Value::String("miauw".to_owned()),
                Value::String("nyaa".to_owned()),
            ]))
        } else {
            None
        }
    }
}

fn make_input() -> Input {
    Input
}

template_test!(empty, make_input(), "", "");

template_test!(literal_meow, make_input(), "meow", "meow");

template_test!(stache_meow, make_input(), "{{meow}}", "gay");

template_test!(
    if_statement_var,
    make_input(),
    "{% if meow %}woa{% end %}{% if meows %} x3{% end %}",
    "woa x3"
);

template_test!(
    if_statement_true,
    make_input(),
    "{% if true %}woa{% end %}",
    "woa"
);

template_test!(
    if_statement_false,
    make_input(),
    "{% if false %}woa{% end %}",
    ""
);

template_test!(
    if_statement_null,
    make_input(),
    "{% if null %}woa{% end %}",
    ""
);

template_test!(
    if_statement_string_empty,
    make_input(),
    r#"{% if "" %}woa{% end %}"#,
    ""
);

template_test!(
    if_statement_string_flirty,
    make_input(),
    r#"{% if "hi ur cute ;3" %}woa{% end %}"#,
    "woa"
);

template_test!(
    if_statement_list_empty,
    make_input(),
    r#"{% if [] %}woa{% end %}"#,
    ""
);

template_test!(
    if_statement_list_aggressive,
    make_input(),
    r#"{% if ["woa gowai >:("] %}woa{% end %}"#,
    "woa"
);

template_test!(
    for_statement_var_1,
    make_input(),
    r#"{% for item in meows %}woa{% end %}"#,
    "woawoawoawoa"
);

template_test!(
    for_statement_var_2,
    make_input(),
    r#"{% for item in meows %}woa{{item}}{% end %}"#,
    "woameowwoanyanwoamiauwwoanyaa"
);

template_test!(
    for_statement_literal,
    make_input(),
    r#"hi{% for item in ["uwu", "owo", "awa"] %} {{item}}{% end %}"#,
    "hi uwu owo awa"
);

template_test!(
    let_1,
    make_input(),
    r#"{% let x3 = "x3" %}*nuzzles u* {{ x3 }}"#,
    "*nuzzles u* x3"
);

template_test!(
    let_2,
    make_input(),
    r#"{% let nyan = meow %}*nuzzles u* {{ nyan }}"#,
    "*nuzzles u* gay"
);

template_test!(
    stuff,
    make_input(),
    r#"hewo! {% let nyan = meow %}{% let nya = null %}{% if nyan %}you are {{meow}}{% end %}{% if nya %}oh noes!{% end %} {% for meow in meows %}{{meow}} {% end %}{{meow}}{% if false %}nope{% end %}{% if null %}nope{% end %}{% if true %} yuh{% end %}"#,
    "hewo! you are gay meow nyan miauw nyaa gay yuh"
);