cairo-lang-syntax 2.1.2

Cairo syntax representation.
Documentation 
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use super::GetIdentifier;
use crate::node::ast::{
    ExprPath, ExprPathElementOrSeparatorGreen, PathSegmentGreen, PathSegmentSimple,
    TerminalColonColon, TerminalIdentifier, TokenColonColon, TokenIdentifier, Trivia,
};
use crate::node::test_utils::DatabaseForTesting;
use crate::node::{Terminal, Token};

#[test]
fn test_expr_path_identifier() {
    let db_val = DatabaseForTesting::default();
    let db = &db_val;

    let no_trivia = Trivia::new_green(db, vec![]);
    let token_foo = TokenIdentifier::new_green(db, "foo".into());
    let terminal_foo = TerminalIdentifier::new_green(db, no_trivia, token_foo, no_trivia);

    let token_bar = TokenIdentifier::new_green(db, "bar".into());
    let terminal_bar = TerminalIdentifier::new_green(db, no_trivia, token_bar, no_trivia);

    let token_separator = TokenColonColon::new_green(db, "::".into());
    let separator = TerminalColonColon::new_green(db, no_trivia, token_separator, no_trivia);

    PathSegmentSimple::new_green(db, terminal_foo);

    let children: Vec<ExprPathElementOrSeparatorGreen> = vec![
        PathSegmentGreen::from(PathSegmentSimple::new_green(db, terminal_foo)).into(),
        separator.into(),
        PathSegmentGreen::from(PathSegmentSimple::new_green(db, terminal_bar)).into(),
    ];

    assert_eq!(ExprPath::new_green(db, children).identifier(db), "bar");
}