From 7d19a8eae3fc911c0cee372b9a492ec203f4f45c Mon Sep 17 00:00:00 2001
From: HampusM <hampus@hampusmat.com>
Date: Mon, 20 Mar 2023 23:42:40 +0100
Subject: feat: add support for multiple expectations of identical methods

---
 macros/src/expectation.rs | 16 ++++++++++++++++
 macros/src/mock.rs        | 27 +++++++++++++++++++++------
 2 files changed, 37 insertions(+), 6 deletions(-)

(limited to 'macros/src')

diff --git a/macros/src/expectation.rs b/macros/src/expectation.rs
index a6d181f..4095278 100644
--- a/macros/src/expectation.rs
+++ b/macros/src/expectation.rs
@@ -402,6 +402,22 @@ impl ToTokens for Expectation
                 }
             }
 
+            impl #boundless_impl_generics #ident #ty_generics {
+                fn is_exhausted(&self) -> bool {
+                    if let ::ridicule::__private::CallCountExpectation::Times(times) =
+                        self.call_cnt_expectation
+                    {
+                        if times == self.call_cnt.load(
+                            ::std::sync::atomic::Ordering::Relaxed
+                        ) {
+                            return true;
+                        }
+                    }
+
+                    false
+                }
+            }
+
             impl #boundless_impl_generics Drop for #ident #ty_generics
             {
                 fn drop(&mut self) {
diff --git a/macros/src/mock.rs b/macros/src/mock.rs
index 2ac27e5..9aa03f4 100644
--- a/macros/src/mock.rs
+++ b/macros/src/mock.rs
@@ -144,7 +144,8 @@ impl ToTokens for Mock
                 {
                     Self {
                         #(
-                            #expectations_field_idents: ::std::collections::HashMap::new()
+                            #expectations_field_idents:
+                                ::std::collections::HashMap::new()
                         ),*
                     }
                 }
@@ -182,7 +183,7 @@ impl ToTokens for ExpectationsField
         quote! {
             #field_ident: ::std::collections::HashMap<
                 Vec<::ridicule::__private::type_id::TypeID>,
-                #expectation_ident<#(#generic_args),*>
+                ::std::collections::VecDeque<#expectation_ident<#(#generic_args),*>>
             >
         }
         .to_tokens(tokens);
@@ -238,9 +239,18 @@ fn create_mock_function(
                     #(::ridicule::__private::type_id::TypeID::of::<#type_param_idents>()),*
                 ];
 
-                let expectation = self
+                let func_expectations = self
                     .#expectations_field
                     .get(&ids)
+                    .expect(concat!(
+                        "No expectation found for function ",
+                        stringify!(#func_ident)
+                    ));
+
+                let expectation = func_expectations
+                    .iter()
+                    .skip_while(|expectation| expectation.is_exhausted())
+                    .next()
                     .expect(concat!(
                         "No expectation found for function ",
                         stringify!(#func_ident)
@@ -318,10 +328,15 @@ fn create_expect_function(
                 #expectation::<#(#type_param_idents),*>::new()
                     .strip_generic_params();
 
-            self.#expectations_field.insert(ids.clone(), expectation);
+            let func_expectations = self
+                .#expectations_field
+                .entry(ids.clone())
+                .or_insert_with(::std::collections::VecDeque::new);
+
+            func_expectations.push_back(expectation);
 
-            self.#expectations_field
-                .get_mut(&ids)
+            func_expectations
+                .back_mut()
                 .unwrap()
                 .with_generic_params_mut()
         }})
-- 
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