/*

 * Hurl (https://hurl.dev)

 * Copyright (C) 2026 Orange

 *

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *          http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 *

 */

use crate::ast::Placeholder;

use crate::reader::Reader;

use super::primitives::{literal, try_literal, zero_or_more_spaces};

use super::{ParseResult, expr};

/// Parse a placeholder {{ expr }}

}

#[cfg(test)]

mod tests {

    use crate::ast::{Expr, ExprKind, SourceInfo, Variable, Whitespace};

    use crate::parser::ParseErrorKind;

    use crate::reader::Pos;

    use super::*;

    #[test]

    fn test_ok() {

        let mut reader = Reader::new("{{ name}}");

        assert_eq!(

            parse(&mut reader).unwrap(),

            Placeholder {

                space0: Whitespace {

                    value: String::from(" "),

                    source_info: SourceInfo::new(Pos::new(1, 3), Pos::new(1, 4)),

                },

                expr: Expr {

                    kind: ExprKind::Variable(Variable {

                        name: "name".to_string(),

                        source_info: SourceInfo::new(Pos::new(1, 4), Pos::new(1, 8)),

                    }),

                    source_info: SourceInfo::new(Pos::new(1, 4), Pos::new(1, 8)),

                },

                space1: Whitespace {

                    value: String::new(),

                    source_info: SourceInfo::new(Pos::new(1, 8), Pos::new(1, 8)),

                },

            }

        );

    }

    #[test]

    fn test_error() {

        let mut reader = Reader::new("{{host>}}");

        let error = parse(&mut reader).err().unwrap();

        assert_eq!(error.pos, Pos { line: 1, column: 7 });

        assert_eq!(

            error.kind,

            ParseErrorKind::Expecting {

                value: String::from("}}")

            }

        );

        assert!(!error.recoverable);

    }

    #[test]

    fn test_error_eof() {

        let mut reader = Reader::new("{{host");

        let error = parse(&mut reader).err().unwrap();

        assert_eq!(error.pos, Pos { line: 1, column: 7 });

        assert_eq!(

            error.kind,

            ParseErrorKind::Expecting {

                value: String::from("}}")

            }

        );

        assert!(!error.recoverable);

    }

}