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edwin0chengedwin0cheng
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Add tests
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‎Cargo.lock

+1
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‎crates/ra_proc_macro_srv/Cargo.toml

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Original file line numberDiff line numberDiff line change
@@ -14,6 +14,7 @@ ra_mbe = { path = "../ra_mbe" }
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ra_proc_macro = { path = "../ra_proc_macro" }
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goblin = "0.2.1"
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libloading = "0.6.0"
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test_utils = { path = "../test_utils" }
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[dev-dependencies]
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cargo_metadata = "0.9.1"

‎crates/ra_proc_macro_srv/src/lib.rs

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@@ -52,3 +52,6 @@ pub fn list_macros(task: &ListMacrosTask) -> Result<ListMacrosResult, String> {
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}
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}
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}
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#[cfg(test)]
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mod tests;

‎crates/ra_proc_macro_srv/src/tests/fixtures/test_serialize_proc_macro.txt

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SUBTREE $
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PUNCH # [alone] 4294967295
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SUBTREE [] 4294967295
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IDENT allow 4294967295
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SUBTREE () 4294967295
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IDENT non_upper_case_globals 4294967295
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PUNCH , [alone] 4294967295
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IDENT unused_attributes 4294967295
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PUNCH , [alone] 4294967295
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IDENT unused_qualifications 4294967295
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IDENT const 4294967295
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IDENT _IMPL_SERIALIZE_FOR_Foo 4294967295
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PUNCH : [alone] 4294967295
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SUBTREE () 4294967295
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PUNCH = [alone] 4294967295
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SUBTREE {} 4294967295
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PUNCH # [alone] 4294967295
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SUBTREE [] 4294967295
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IDENT allow 4294967295
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SUBTREE () 4294967295
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IDENT unknown_lints 4294967295
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PUNCH # [alone] 4294967295
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SUBTREE [] 4294967295
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IDENT cfg_attr 4294967295
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SUBTREE () 4294967295
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IDENT feature 4294967295
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PUNCH = [alone] 4294967295
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SUBTREE $
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LITERAL "cargo-clippy" 0
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PUNCH , [alone] 4294967295
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IDENT allow 4294967295
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SUBTREE () 4294967295
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IDENT useless_attribute 4294967295
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PUNCH # [alone] 4294967295
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SUBTREE [] 4294967295
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IDENT allow 4294967295
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SUBTREE () 4294967295
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IDENT rust_2018_idioms 4294967295
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IDENT extern 4294967295
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IDENT crate 4294967295
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IDENT serde 4294967295
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IDENT as 4294967295
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IDENT _serde 4294967295
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PUNCH ; [alone] 4294967295
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PUNCH # [alone] 4294967295
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SUBTREE [] 4294967295
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IDENT allow 4294967295
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SUBTREE () 4294967295
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IDENT unused_macros 4294967295
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IDENT macro_rules 4294967295
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PUNCH ! [alone] 4294967295
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IDENT try 4294967295
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SUBTREE {} 4294967295
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SUBTREE () 4294967295
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PUNCH $ [alone] 4294967295
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IDENT __expr 4294967295
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PUNCH : [alone] 4294967295
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IDENT expr 4294967295
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PUNCH = [joint] 4294967295
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PUNCH > [alone] 4294967295
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SUBTREE {} 4294967295
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IDENT match 4294967295
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PUNCH $ [alone] 4294967295
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IDENT __expr 4294967295
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SUBTREE {} 4294967295
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IDENT _serde 4294967295
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PUNCH : [joint] 4294967295
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PUNCH : [alone] 4294967295
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IDENT export 4294967295
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PUNCH : [joint] 4294967295
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PUNCH : [alone] 4294967295
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IDENT Ok 4294967295
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SUBTREE () 4294967295
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IDENT __val 4294967295
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PUNCH = [joint] 4294967295
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PUNCH > [alone] 4294967295
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IDENT __val 4294967295
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PUNCH , [alone] 4294967295
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IDENT _serde 4294967295
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PUNCH : [joint] 4294967295
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PUNCH : [alone] 4294967295
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IDENT export 4294967295
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PUNCH : [joint] 4294967295
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PUNCH : [alone] 4294967295
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IDENT Err 4294967295
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SUBTREE () 4294967295
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IDENT __err 4294967295
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PUNCH = [joint] 4294967295
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PUNCH > [alone] 4294967295
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SUBTREE {} 4294967295
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IDENT return 4294967295
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IDENT _serde 4294967295
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PUNCH : [joint] 4294967295
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PUNCH : [alone] 4294967295
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IDENT export 4294967295
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PUNCH : [joint] 4294967295
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PUNCH : [alone] 4294967295
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IDENT Err 4294967295
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SUBTREE () 4294967295
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IDENT __err 4294967295
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PUNCH ; [alone] 4294967295
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PUNCH # [alone] 4294967295
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SUBTREE [] 4294967295
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IDENT automatically_derived 4294967295
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IDENT impl 4294967295
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IDENT _serde 4294967295
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PUNCH : [joint] 4294967295
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PUNCH : [alone] 4294967295
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IDENT Serialize 4294967295
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IDENT for 4294967295
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IDENT Foo 1
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SUBTREE {} 4294967295
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IDENT fn 4294967295
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IDENT serialize 4294967295
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PUNCH < [alone] 4294967295
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IDENT __S 4294967295
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PUNCH > [alone] 4294967295
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SUBTREE () 4294967295
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PUNCH & [alone] 4294967295
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IDENT self 4294967295
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PUNCH , [alone] 4294967295
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IDENT __serializer 4294967295
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PUNCH : [alone] 4294967295
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IDENT __S 4294967295
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PUNCH - [joint] 4294967295
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PUNCH > [alone] 4294967295
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IDENT _serde 4294967295
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PUNCH : [joint] 4294967295
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PUNCH : [alone] 4294967295
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IDENT export 4294967295
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PUNCH : [joint] 4294967295
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PUNCH : [alone] 4294967295
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IDENT Result 4294967295
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PUNCH < [alone] 4294967295
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IDENT __S 4294967295
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PUNCH : [joint] 4294967295
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PUNCH : [alone] 4294967295
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IDENT Ok 4294967295
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PUNCH , [alone] 4294967295
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IDENT __S 4294967295
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PUNCH : [joint] 4294967295
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PUNCH : [alone] 4294967295
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IDENT Error 4294967295
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PUNCH > [alone] 4294967295
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IDENT where 4294967295
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IDENT __S 4294967295
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PUNCH : [alone] 4294967295
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IDENT _serde 4294967295
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PUNCH : [joint] 4294967295
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PUNCH : [alone] 4294967295
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IDENT Serializer 4294967295
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PUNCH , [alone] 4294967295
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SUBTREE {} 4294967295
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IDENT let 4294967295
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IDENT __serde_state 4294967295
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PUNCH = [alone] 4294967295
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IDENT try 4294967295
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PUNCH ! [alone] 4294967295
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SUBTREE () 4294967295
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IDENT _serde 4294967295
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PUNCH : [joint] 4294967295
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PUNCH : [alone] 4294967295
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IDENT Serializer 4294967295
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PUNCH : [joint] 4294967295
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PUNCH : [alone] 4294967295
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IDENT serialize_struct 4294967295
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SUBTREE () 4294967295
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IDENT __serializer 4294967295
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PUNCH , [alone] 4294967295
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LITERAL "Foo" 4294967295
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PUNCH , [alone] 4294967295
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IDENT false 4294967295
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IDENT as 4294967295
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IDENT usize 4294967295
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PUNCH ; [alone] 4294967295
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IDENT _serde 4294967295
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PUNCH : [joint] 4294967295
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PUNCH : [alone] 4294967295
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IDENT ser 4294967295
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PUNCH : [joint] 4294967295
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PUNCH : [alone] 4294967295
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IDENT SerializeStruct 4294967295
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PUNCH : [joint] 4294967295
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PUNCH : [alone] 4294967295
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IDENT end 4294967295
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SUBTREE () 4294967295
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IDENT __serde_state 4294967295
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PUNCH ; [alone] 4294967295

‎crates/ra_proc_macro_srv/src/tests/mod.rs

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//! proc-macro tests
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#[macro_use]
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mod utils;
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use test_utils::assert_eq_text;
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use utils::*;
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#[test]
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fn test_derive_serialize_proc_macro() {
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assert_expand(
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"serde_derive",
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"Serialize",
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"1.0.104",
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r##"struct Foo {}"##,
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include_str!("fixtures/test_serialize_proc_macro.txt"),
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);
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}
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#[test]
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fn test_derive_serialize_proc_macro_failed() {
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assert_expand(
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"serde_derive",
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"Serialize",
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"1.0.104",
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r##"
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struct {}
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"##,
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r##"
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SUBTREE $
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IDENT compile_error 4294967295
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PUNCH ! [alone] 4294967295
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SUBTREE {} 4294967295
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LITERAL "expected identifier" 4294967295
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"##,
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);
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}
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#[test]
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fn test_derive_proc_macro_list() {
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let res = list("serde_derive", "1.0.104").join("\n");
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assert_eq_text!(
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&res,
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r##"
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Serialize [CustomDerive]
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Deserialize [CustomDerive]
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"##
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);
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}

‎crates/ra_proc_macro_srv/src/tests/utils.rs

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//! utils used in proc-macro tests
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use crate::dylib;
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use crate::list_macros;
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pub use difference::Changeset as __Changeset;
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use ra_proc_macro::ListMacrosTask;
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use std::str::FromStr;
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use test_utils::assert_eq_text;
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mod fixtures {
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use cargo_metadata::{parse_messages, Message};
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use std::process::Command;
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// Use current project metadata to get the proc-macro dylib path
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pub fn dylib_path(crate_name: &str, version: &str) -> std::path::PathBuf {
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let command = Command::new("cargo")
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.args(&["check", "--message-format", "json"])
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.output()
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.unwrap()
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.stdout;
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for message in parse_messages(command.as_slice()) {
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match message.unwrap() {
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Message::CompilerArtifact(artifact) => {
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if artifact.target.kind.contains(&"proc-macro".to_string()) {
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let repr = format!("{} {}", crate_name, version);
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if artifact.package_id.repr.starts_with(&repr) {
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return artifact.filenames[0].clone();
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}
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}
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}
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_ => (), // Unknown message
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}
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}
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panic!("No proc-macro dylib for {} found!", crate_name);
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}
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}
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fn parse_string(code: &str) -> Option<crate::rustc_server::TokenStream> {
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Some(crate::rustc_server::TokenStream::from_str(code).unwrap())
42+
}
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pub fn assert_expand(crate_name: &str, macro_name: &str, version: &str, fixture: &str, expect: &str) {
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let path = fixtures::dylib_path(crate_name, version);
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let expander = dylib::Expander::new(&path).unwrap();
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let fixture = parse_string(fixture).unwrap();
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let res = expander.expand(macro_name, &fixture.subtree, None).unwrap();
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assert_eq_text!(&format!("{:?}", res), &expect.trim());
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}
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pub fn list(crate_name: &str, version: &str) -> Vec<String> {
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let path = fixtures::dylib_path(crate_name, version);
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let task = ListMacrosTask { lib: path };
56+
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let res = list_macros(&task).unwrap();
58+
res.macros.into_iter().map(|(name, kind)| format!("{} [{:?}]", name, kind)).collect()
59+
}

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