neutralts 1.4.2

Neutral TS template engine is a web template designed to work with any programming language via IPC and natively as library/crate in Rust.
Documentation 
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#[cfg(test)]
mod tests {
    use crate::test_helpers::*;

    #[test]
    fn test_bif_for() {
        let mut template = match crate::Template::new() {
            Ok(tpl) => tpl,
            Err(error) => {
                println!("Error creating Template: {}", error);
                assert!(false);
                return;
            }
        };
        template.merge_schema_str(SCHEMA).unwrap();
        template.set_src_str("<div>{:for; n 0 9 >> {:;n:} :}</div>");
        let result = template.render();
        assert!(!template.has_error());
        assert_eq!(result, "<div>0123456789</div>");
    }

    #[test]
    fn test_bif_for_rev() {
        let mut template = match crate::Template::new() {
            Ok(tpl) => tpl,
            Err(error) => {
                println!("Error creating Template: {}", error);
                assert!(false);
                return;
            }
        };
        template.merge_schema_str(SCHEMA).unwrap();
        template.set_src_str("<div>{:for; n 9 0 >> {:;n:} :}</div>");
        let result = template.render();
        assert!(!template.has_error());
        assert_eq!(result, "<div>9876543210</div>");
    }

    #[test]
    fn test_bif_for_params_fails_1() {
        let mut template = match crate::Template::new() {
            Ok(tpl) => tpl,
            Err(error) => {
                println!("Error creating Template: {}", error);
                assert!(false);
                return;
            }
        };
        template.merge_schema_str(SCHEMA).unwrap();
        template.set_src_str("<div>{:for; n a b >> {:;n:} :}</div>");
        let result = template.render();
        assert!(template.has_error());
        assert_eq!(result, "<div></div>");
    }

    #[test]
    fn test_bif_for_params_fails_2() {
        let mut template = match crate::Template::new() {
            Ok(tpl) => tpl,
            Err(error) => {
                println!("Error creating Template: {}", error);
                assert!(false);
                return;
            }
        };
        template.merge_schema_str(SCHEMA).unwrap();
        template.set_src_str("<div>{:for; n a >> {:;n:} :}</div>");
        let result = template.render();
        assert!(template.has_error());
        assert_eq!(result, "<div></div>");
    }

    #[test]
    fn test_bif_for_params_fails_3() {
        let mut template = match crate::Template::new() {
            Ok(tpl) => tpl,
            Err(error) => {
                println!("Error creating Template: {}", error);
                assert!(false);
                return;
            }
        };
        template.merge_schema_str(SCHEMA).unwrap();
        template.set_src_str("<div>{:for; n >> {:;n:} :}</div>");
        let result = template.render();
        assert!(template.has_error());
        assert_eq!(result, "<div></div>");
    }

    #[test]
    fn test_bif_for_params_fails_4() {
        let mut template = match crate::Template::new() {
            Ok(tpl) => tpl,
            Err(error) => {
                println!("Error creating Template: {}", error);
                assert!(false);
                return;
            }
        };
        template.merge_schema_str(SCHEMA).unwrap();
        template.set_src_str("<div>{:for; >> {:;n:} :}</div>");
        let result = template.render();
        assert!(template.has_error());
        assert_eq!(result, "<div></div>");
    }

    #[test]
    fn test_bif_for_no_negate() {
        let mut template = match crate::Template::new() {
            Ok(tpl) => tpl,
            Err(error) => {
                println!("Error creating Template: {}", error);
                assert!(false);
                return;
            }
        };
        template.merge_schema_str(SCHEMA).unwrap();
        template.set_src_str("<div>{:!for; n 0 9 >> {:;n:} :}</div>");
        let result = template.render();
        assert!(template.has_error());
        assert_eq!(result, "<div></div>");
    }

    #[test]
    fn test_bif_for_no_scope() {
        let mut template = match crate::Template::new() {
            Ok(tpl) => tpl,
            Err(error) => {
                println!("Error creating Template: {}", error);
                assert!(false);
                return;
            }
        };
        template.merge_schema_str(SCHEMA).unwrap();
        template.set_src_str("<div>{:for; n 1..1 >> {:include; tests/snippets.ntpl :} :}{:snippet; test-snippet :}</div>");
        let result = template.render();
        assert!(!template.has_error());
        assert_eq!(result, "<div></div>");
    }

    #[test]
    fn test_bif_for_scope() {
        let mut template = match crate::Template::new() {
            Ok(tpl) => tpl,
            Err(error) => {
                println!("Error creating Template: {}", error);
                assert!(false);
                return;
            }
        };
        template.merge_schema_str(SCHEMA).unwrap();
        template.set_src_str("<div>{:+for; n 1..1 >> {:include; tests/snippets.ntpl :} :}{:snippet; test-snippet :}</div>");
        let result = template.render();
        assert!(!template.has_error());
        assert_eq!(result, "<div><div>test snippet</div></div>");
    }

    #[test]
    fn test_bif_for_invalid_flag() {
        let mut template = match crate::Template::new() {
            Ok(tpl) => tpl,
            Err(error) => {
                println!("Error creating Template: {}", error);
                assert!(false);
                return;
            }
        };
        template.merge_schema_str(SCHEMA).unwrap();
        template.set_src_str("<div>{:for; {:flg; invalid_flag :} n 0 9 >> {:;n:} :}</div>");
        let result = template.render();
        assert!(template.has_error());
        assert_eq!(result, "<div></div>");
    }
}