extern crate prose;

mod diff;

use prose::{FormatMode, FormatOpts};

#[test]
fn test_blank_string() {
    let opts = FormatOpts::default();
    let data = "";
    let result = prose::reformat(&opts, data);
    assert_eq!(result, "");
}

#[test]
fn test_one_line() {
    let opts = FormatOpts::with_max_length(25);
    let data = "Lot's of string data... to be reformatted";
    let actual = prose::reformat(&opts, data);
    assert_eq!(actual, "Lot's of string data...\nto be reformatted");
}

#[test]
fn test_widths() {
    let opts = FormatOpts::with_max_length(40);
    let data = include_str!("data/inputs/comments.txt");
    let mut actual = prose::reformat(&opts, data);
    actual.push_str("\n"); // usually by virtue of println
    let expected = include_str!("data/outputs/comments_40.txt");
    assert_diff!(expected, &actual);
}

#[test]
fn test_comments_regression() {
    let opts = FormatOpts::with_max_length(40);
    let data = include_str!("data/inputs/comments_regress.txt");
    let mut actual = prose::reformat(&opts, data);
    actual.push_str("\n"); // usually by virtue of println
    let expected = include_str!("data/outputs/comments_40.txt");
    assert_diff!(expected, &actual);
}

#[test]
fn test_aggressive_fit() {
    let opts = FormatOpts {
        max_length: 50,
        reduce_jaggedness: true,
        ..Default::default()
    };
    let data = include_str!("data/inputs/plain_indented.txt");
    let mut actual = prose::reformat(&opts, data);
    actual.push_str("\n"); // usually by virtue of println
    let expected = include_str!("data/outputs/plain_indented_50_f.txt");
    assert_diff!(expected, &actual);
}

#[test]
fn test_email_quoting() {
    let opts = FormatOpts {
        max_length: 40,
        ..Default::default()
    };
    let data = include_str!("data/inputs/email.txt");
    let mut actual = prose::reformat(&opts, data);
    actual.push_str("\n"); // usually by virtue of println
    let expected = include_str!("data/outputs/email_40.txt");
    assert_diff!(expected, &actual);
}

#[test]
fn test_tab_expansion() {
    let opts = FormatOpts {
        max_length: 40,
        ..Default::default()
    };
    let data = include_str!("data/inputs/tabs.txt");
    let mut actual = prose::reformat::reformat(&opts, data);
    actual.push_str("\n"); // usually by virtue of println
    let expected = include_str!("data/outputs/tabs_40.txt");
    assert_diff!(expected, &actual);
}

#[test]
fn test_utf8_with_prefixes() {
    let opts = FormatOpts {
        max_length: 40,
        ..Default::default()
    };
    let data = include_str!("data/inputs/greek.txt");
    let mut actual = prose::reformat::reformat(&opts, data);
    actual.push_str("\n"); // usually by virtue of println
    let expected = include_str!("data/outputs/greek_40.txt");
    assert_diff!(expected, &actual);
}

#[test]
fn test_markdown() {
    let opts = FormatOpts {
        max_length: 53,
        format_mode: FormatMode::Markdown,
        ..Default::default()
    };
    let data = include_str!("data/inputs/markdown.md");
    let mut actual: String = data
        .split("\n\n")
        .map(|s| prose::reformat::reformat(&opts, s))
        .collect::<Vec<_>>()
        .join("\n\n");
    actual.push_str("\n"); // usually by virtue of println
    let expected = include_str!("data/outputs/markdown_53.md");
    assert_diff!(expected, &actual);
}

#[test]
fn test_rust_comments() {
    let opts = FormatOpts {
        max_length: 53,
        format_mode: FormatMode::Code,
        ..Default::default()
    };
    let data = include_str!("data/inputs/rust_comments.txt");
    let mut actual: String = data
        .split("\n\n")
        .map(|s| prose::reformat::reformat(&opts, s))
        .collect::<Vec<_>>()
        .join("\n\n");
    actual.push_str("\n"); // usually by virtue of println
    let expected = include_str!("data/outputs/rust_comments_56.txt");
    assert_diff!(expected, &actual);
}