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//! Completion tests for item specifics overall.
//!
//! Except for use items which are tested in [super::use_tree] and mod declarations with are tested
//! in [crate::completions::mod_].
use expect_test::{expect, Expect};

use crate::tests::{completion_list, BASE_ITEMS_FIXTURE};

fn check(ra_fixture: &str, expect: Expect) {
    let actual = completion_list(&format!("{}{}", BASE_ITEMS_FIXTURE, ra_fixture));
    expect.assert_eq(&actual)
}

#[test]
fn target_type_or_trait_in_impl_block() {
    check(
        r#"
impl Tra$0
"#,
        expect![[r#"
            en Enum
            ma makro!(…) macro_rules! makro
            md module
            st Record
            st Tuple
            st Unit
            tt Trait
            un Union
            bt u32
            kw crate
            kw self
            kw super
        "#]],
    )
}

#[test]
fn target_type_in_trait_impl_block() {
    check(
        r#"
impl Trait for Str$0
"#,
        expect![[r#"
            en Enum
            ma makro!(…) macro_rules! makro
            md module
            st Record
            st Tuple
            st Unit
            tt Trait
            un Union
            bt u32
            kw crate
            kw self
            kw super
        "#]],
    )
}

#[test]
fn after_trait_name_in_trait_def() {
    check(
        r"trait A $0",
        expect![[r#"
            kw where
        "#]],
    );
}

#[test]
fn after_target_name_in_impl() {
    check(
        r"impl Trait $0",
        expect![[r#"
            kw for
            kw where
        "#]],
    );
    // FIXME: This should not emit `kw for`
    check(
        r"impl Trait for Type $0",
        expect![[r#"
            kw for
            kw where
        "#]],
    );
}

#[test]
fn after_struct_name() {
    // FIXME: This should emit `kw where` only
    check(
        r"struct Struct $0",
        expect![[r#"
            ma makro!(…)           macro_rules! makro
            md module
            kw const
            kw crate
            kw enum
            kw extern
            kw fn
            kw impl
            kw mod
            kw pub
            kw pub(crate)
            kw pub(super)
            kw self
            kw static
            kw struct
            kw super
            kw trait
            kw type
            kw union
            kw unsafe
            kw use
            sn macro_rules
            sn tfn (Test function)
            sn tmod (Test module)
        "#]],
    );
}

#[test]
fn after_fn_name() {
    // FIXME: This should emit `kw where` only
    check(
        r"fn func() $0",
        expect![[r#"
            ma makro!(…)           macro_rules! makro
            md module
            kw const
            kw crate
            kw enum
            kw extern
            kw fn
            kw impl
            kw mod
            kw pub
            kw pub(crate)
            kw pub(super)
            kw self
            kw static
            kw struct
            kw super
            kw trait
            kw type
            kw union
            kw unsafe
            kw use
            sn macro_rules
            sn tfn (Test function)
            sn tmod (Test module)
        "#]],
    );
}

#[test]
fn before_record_field() {
    check(
        r#"
struct Foo {
    $0
    pub f: i32,
}
"#,
        expect![[r#"
            kw pub
            kw pub(crate)
            kw pub(super)
        "#]],
    )
}