use mps_interpreter::lang::MpsLanguageError; use mps_interpreter::tokens::{MpsToken, MpsTokenizer, ParseError}; use mps_interpreter::*; use std::collections::VecDeque; use std::io::Cursor; #[test] fn parse_line() -> Result<(), ParseError> { let cursor = Cursor::new("sql(`SELECT * FROM songs;`)"); let correct_tokens: Vec = vec![ MpsToken::Name("sql".into()), MpsToken::OpenBracket, MpsToken::Literal("SELECT * FROM songs;".into()), MpsToken::CloseBracket, ]; let mut tokenizer = MpsTokenizer::new(cursor); let mut buf = VecDeque::::new(); tokenizer.read_line(&mut buf)?; // operation being tested // debug output println!("Token buffer:"); for i in 0..buf.len() { println!(" Token #{}: {}", i, &buf[i]); } // validity tests assert_eq!(buf.len(), correct_tokens.len()); for i in 0..buf.len() { assert_eq!( buf[i], correct_tokens[i], "Tokens at position {} do not match ()", i ); } tokenizer.read_line(&mut buf)?; // this should immediately return Ok(()) } #[inline(always)] fn execute_single_line( line: &str, should_be_emtpy: bool, should_complete: bool, ) -> Result<(), Box> { println!("--- Executing MPS code: '{}' ---", line); let cursor = Cursor::new(line); let tokenizer = MpsTokenizer::new(cursor); let interpreter = MpsInterpretor::with_standard_vocab(tokenizer); let mut count = 0; for result in interpreter { if let Ok(item) = result { count += 1; if count > 100 { if should_complete { continue; // skip println, but still check for errors } else { println!("Got 100 items, stopping to avoid infinite loop"); break; } } // no need to spam the rest of the songs println!( "Got song `{}` (file: `{}`)", item.field("title") .expect("Expected field `title` to exist") .clone() .to_str() .expect("Expected field `title` to be String"), item.field("filename") .expect("Expected field `filename` to exist") .clone() .to_str() .expect("Expected field `filename` to be String") ); } else { println!("!!! Got error while iterating (executing) !!!"); eprintln!("{}", result.as_ref().err().unwrap()); result?; } } if should_be_emtpy { assert_eq!( count, 0, "{} music items found while iterating over line which should be None", count ); } else { println!( "Got {} items, execution complete (no songs were harmed in the making of this test)", count ); assert_ne!( count, 0, "0 music items found while iterating over line which should have Some results" ); // assumption: database is populated } Ok(()) } #[test] fn execute_sql_line() -> Result<(), Box> { execute_single_line("sql(`SELECT * FROM songs ORDER BY artist;`)", false, true) } #[test] fn execute_simple_sql_line() -> Result<(), Box> { execute_single_line("song(`lov`)", false, true) } #[test] fn execute_comment_line() -> Result<(), Box> { execute_single_line("// this is a comment", true, true)?; execute_single_line("# this is a special comment", true, true) } #[test] fn execute_repeat_line() -> Result<(), Box> { execute_single_line( "repeat(files(`~/Music/MusicFlac/Bruno Mars/24K Magic/`))", false, false, )?; execute_single_line( "repeat(files(`~/Music/MusicFlac/Bruno Mars/24K Magic/`), 4)", false, true, )?; execute_single_line( "repeat(files(`~/Music/MusicFlac/Bruno Mars/24K Magic/`), 0)", true, true, ) } #[test] fn execute_sql_init_line() -> Result<(), Box> { execute_single_line( "sql_init(generate = false, folder = `/home/ngnius/Music`)", true, true, ) } #[test] fn execute_assign_line() -> Result<(), Box> { execute_single_line( "let some_var = repeat(song(`Christmas in L.A.`))", true, true, )?; execute_single_line("let some_var2 = 1234", true, true) } #[test] fn execute_emptyfilter_line() -> Result<(), Box> { execute_single_line( "files(`~/Music/MusicFlac/Bruno Mars/24K Magic/`).().().()", false, true, ) } #[test] fn execute_fieldfilter_line() -> Result<(), Box> { execute_single_line( "files(`~/Music/MusicFlac/Bruno Mars/24K Magic/`).(year >= 2000)", false, true, )?; execute_single_line( "files(`~/Music/MusicFlac/Bruno Mars/24K Magic/`).(year <= 2020)", false, true, )?; execute_single_line( "files(`~/Music/MusicFlac/Bruno Mars/24K Magic/`).(year == 2016)", false, true, )?; execute_single_line( "files(`~/Music/MusicFlac/Bruno Mars/24K Magic/`).(year != 2048)", false, true, ) } #[test] fn execute_fieldfiltermaybe_line() -> Result<(), Box> { execute_single_line( "files(`~/Music/MusicFlac/Bruno Mars/24K Magic/`).(year? >= 2000)", false, true, )?; execute_single_line( "files(`~/Music/MusicFlac/Bruno Mars/24K Magic/`).(year? <= 2020)", false, true, )?; execute_single_line( "files(`~/Music/MusicFlac/Bruno Mars/24K Magic/`).(year! == 2016)", false, true, )?; execute_single_line( "files(`~/Music/MusicFlac/Bruno Mars/24K Magic/`).(year! != `test`)", false, true, ) } #[test] fn execute_files_line() -> Result<(), Box> { execute_single_line( r"files(folder=`~/Music/MusicFlac/Bruno Mars/24K Magic/`, re=``, recursive=false)", false, true, )?; execute_single_line( r"files(`~/Music/MusicFlac/Bruno Mars/24K Magic/`)", false, true, )?; execute_single_line(r"files()", false, true) } #[test] fn execute_indexfilter_line() -> Result<(), Box> { execute_single_line( "files(`~/Music/MusicFlac/Bruno Mars/24K Magic/`).(2)", false, true, )?; execute_single_line( "files(`~/Music/MusicFlac/Bruno Mars/24K Magic/`).(0)", false, true, )?; execute_single_line( "files(`~/Music/MusicFlac/Bruno Mars/24K Magic/`).(!0)", false, true, )?; execute_single_line( "files(`~/Music/MusicFlac/Bruno Mars/24K Magic/`).(200)", true, true, ) } #[test] fn execute_rangefilter_line() -> Result<(), Box> { execute_single_line( "files(`~/Music/MusicFlac/Bruno Mars/24K Magic/`).(..)", false, true, )?; execute_single_line( "files(`~/Music/MusicFlac/Bruno Mars/24K Magic/`).(0..=4)", false, true, )?; execute_single_line( "files(`~/Music/MusicFlac/Bruno Mars/24K Magic/`).(..=4)", false, true, )?; execute_single_line( "files(`~/Music/MusicFlac/Bruno Mars/24K Magic/`).(0..5)", false, true, ) } #[test] fn execute_orfilter_line() -> Result<(), Box> { execute_single_line( "files(`~/Music/MusicFlac/Bruno Mars/24K Magic/`).(4 || 5)", false, true, )?; execute_single_line( "files(`~/Music/MusicFlac/Bruno Mars/24K Magic/`).(year != 2020 || 5)", false, true, )?; execute_single_line( "files(`~/Music/MusicFlac/Bruno Mars/24K Magic/`).(year != 2020 || 5 || 4 || 12)", false, true, ) } #[test] fn execute_replacefilter_line() -> Result<(), Box> { execute_single_line( "files(`~/Music/MusicFlac/Bruno Mars/24K Magic/`).(if 4: files(`~/Music/MusicFlac/Bruno Mars/24K Magic/`).(5))", false, true, )?; execute_single_line( "files(`~/Music/MusicFlac/Bruno Mars/24K Magic/`).(if 4: files(`~/Music/MusicFlac/Bruno Mars/24K Magic/`).(5) else item.())", false, true, )?; execute_single_line( "files(`~/Music/MusicFlac/Bruno Mars/24K Magic/`).(if 4: item.() else files(`~/Music/MusicFlac/Bruno Mars/24K Magic/`).(0 || 1).(if 200: files() else repeat(item.(), 2)))", false, true, ) } #[test] fn execute_emptysort_line() -> Result<(), Box> { execute_single_line( "files(`~/Music/MusicFlac/Bruno Mars/24K Magic/`).sort()", false, true, )?; execute_single_line( "files(`~/Music/MusicFlac/Bruno Mars/24K Magic/`)~()", false, true, ) } #[test] fn execute_likefilter_line() -> Result<(), Box> { execute_single_line( "files(`~/Music/MusicFlac/Bruno Mars/24K Magic/`).(not_a_field? like `24K Magic`)", true, true, )?; execute_single_line( "files(`~/Music/MusicFlac/Bruno Mars/24K Magic/`).(not_a_field! like `24K Magic`)", false, true, )?; execute_single_line( "files(`~/Music/MusicFlac/Bruno Mars/24K Magic/`).(album like `24K Magic`)", false, true, ) } #[test] fn execute_fieldsort_line() -> Result<(), Box> { execute_single_line( "files(`~/Music/MusicFlac/Bruno Mars/24K Magic/`)~(title)", false, true, )?; execute_single_line( "files(`~/Music/MusicFlac/Bruno Mars/24K Magic/`).sort(not_a_field)", false, true, ) } #[test] fn execute_blissfirstsort_line() -> Result<(), Box> { execute_single_line( "files(`~/Music/MusicFlac/Bruno Mars/24K Magic/`)~(advanced bliss_first)", false, true, ) } #[test] fn execute_blissnextsort_line() -> Result<(), Box> { execute_single_line( "files(`~/Music/MusicFlac/Bruno Mars/24K Magic/`)~(advanced bliss_next)", false, true, ) } #[test] fn execute_emptyfn_line() -> Result<(), Box> { execute_single_line( "empty()", true, true, ) }