tera 0.11.3

Template engine based on Jinja2/Django templates
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use std::collections::BTreeMap;
use context::Context;
use errors::Result;
use tera::Tera;

#[test]
fn error_location_basic() {
    let mut tera = Tera::default();
    tera.add_raw_templates(vec![
        ("tpl", "{{ 1 + true }}"),
    ]).unwrap();

    let result = tera.render("tpl", &Context::new());

    assert_eq!(
        result.unwrap_err().iter().nth(0).unwrap().description(),
        "Failed to render \'tpl\'"
    );
}

#[test]
fn error_location_inside_macro() {
    let mut tera = Tera::default();
    tera.add_raw_templates(vec![
        ("macros", "{% macro hello()%}{{ 1 + true }}{% endmacro hello %}"),
        ("tpl", "{% import \"macros\" as macros %}{{ macro::hello() }}"),
    ]).unwrap();

    let result = tera.render("tpl", &Context::new());

    assert_eq!(
        result.unwrap_err().iter().nth(0).unwrap().description(),
        "Failed to render \'tpl\': error while rendering a macro from the `macro` namespace"
    );
}

#[test]
fn error_location_base_template() {
    let mut tera = Tera::default();
    tera.add_raw_templates(vec![
        ("parent", "Hello {{ greeting + 1}} {% block bob %}{% endblock bob %}"),
        ("child", "{% extends \"parent\" %}{% block bob %}Hey{% endblock bob %}"),
    ]).unwrap();

    let result = tera.render("child", &Context::new());

    assert_eq!(
        result.unwrap_err().iter().nth(0).unwrap().description(),
        "Failed to render \'child\' (error happened in 'parent')."
    );
}

#[test]
fn error_location_in_parent_block() {
    let mut tera = Tera::default();
    tera.add_raw_templates(vec![
        ("parent", "Hello {{ greeting }} {% block bob %}{{ 1 + true }}{% endblock bob %}"),
        ("child", "{% extends \"parent\" %}{% block bob %}{{ super() }}Hey{% endblock bob %}"),
    ]).unwrap();

    let result = tera.render("child", &Context::new());

    assert_eq!(
        result.unwrap_err().iter().nth(0).unwrap().description(),
        "Failed to render \'child\' (error happened in 'parent')."
    );
}

#[test]
fn error_location_in_parent_in_macro() {
    let mut tera = Tera::default();
    tera.add_raw_templates(vec![
        ("macros", "{% macro hello()%}{{ 1 + true }}{% endmacro hello %}"),
        ("parent", "{% import \"macros\" as macros %}{{ macro::hello() }}{% block bob %}{% endblock bob %}"),
        ("child", "{% extends \"parent\" %}{% block bob %}{{ super() }}Hey{% endblock bob %}"),
    ]).unwrap();

    let result = tera.render("child", &Context::new());

    assert_eq!(
        result.unwrap_err().iter().nth(0).unwrap().description(),
        "Failed to render \'child\': error while rendering a macro from the `macro` namespace (error happened in \'parent\')."
    );
}