2 files changed, 136 insertions, 0 deletions
diff --git a/src/test/fixtures/event/mod.rs b/src/test/fixtures/event/mod.rs
new file mode 100644
index 0000000..691cdeb
--- /dev/null
+++ b/src/test/fixtures/event/mod.rs
@@ -0,0 +1,74 @@
+use crate::event::Event;
+
+pub mod stream;
+
+pub fn channel(event: Event) -> Option<crate::channel::Event> {
+    match event {
+        Event::Channel(channel) => Some(channel),
+        _ => None,
+    }
+}
+
+pub fn message(event: Event) -> Option<crate::message::Event> {
+    match event {
+        Event::Message(event) => Some(event),
+        _ => None,
+    }
+}
+
+pub fn user(event: Event) -> Option<crate::user::Event> {
+    match event {
+        Event::User(event) => Some(event),
+        _ => None,
+    }
+}
+
+pub mod channel {
+    use crate::channel::{Event, event};
+
+    pub fn created(event: Event) -> Option<event::Created> {
+        match event {
+            Event::Created(event) => Some(event),
+            Event::Deleted(_) => None,
+        }
+    }
+
+    pub fn deleted(event: Event) -> Option<event::Deleted> {
+        match event {
+            Event::Deleted(event) => Some(event),
+            Event::Created(_) => None,
+        }
+    }
+}
+
+pub mod message {
+    use crate::message::{Event, event};
+
+    pub fn sent(event: Event) -> Option<event::Sent> {
+        match event {
+            Event::Sent(event) => Some(event),
+            Event::Deleted(_) => None,
+        }
+    }
+
+    pub fn deleted(event: Event) -> Option<event::Deleted> {
+        match event {
+            Event::Deleted(event) => Some(event),
+            Event::Sent(_) => None,
+        }
+    }
+}
+
+pub mod user {
+    use crate::user::{Event, event};
+
+    // This could be defined as `-> event::Created`. However, I want the interface to be consistent
+    // with the event stream transformers for other types, and we'd have to refactor the return type
+    // to `-> Option<event::Created>` the instant users sprout a second event, anyways.
+    #[allow(clippy::unnecessary_wraps)]
+    pub fn created(event: Event) -> Option<event::Created> {
+        match event {
+            Event::Created(event) => Some(event),
+        }
+    }
+}
diff --git a/src/test/fixtures/event/stream.rs b/src/test/fixtures/event/stream.rs
new file mode 100644
index 0000000..6c2a1bf
--- /dev/null
+++ b/src/test/fixtures/event/stream.rs
@@ -0,0 +1,62 @@
+use std::future::{self, Ready};
+
+use crate::{event::Event, test::fixtures::event};
+
+pub fn channel(event: Event) -> Ready<Option<crate::channel::Event>> {
+    future::ready(event::channel(event))
+}
+
+pub fn message(event: Event) -> Ready<Option<crate::message::Event>> {
+    future::ready(event::message(event))
+}
+
+pub fn user(event: Event) -> Ready<Option<crate::user::Event>> {
+    future::ready(event::user(event))
+}
+
+pub mod channel {
+    use std::future::{self, Ready};
+
+    use crate::{
+        channel::{Event, event},
+        test::fixtures::event::channel,
+    };
+
+    pub fn created(event: Event) -> Ready<Option<event::Created>> {
+        future::ready(channel::created(event))
+    }
+
+    pub fn deleted(event: Event) -> Ready<Option<event::Deleted>> {
+        future::ready(channel::deleted(event))
+    }
+}
+
+pub mod message {
+    use std::future::{self, Ready};
+
+    use crate::{
+        message::{Event, event},
+        test::fixtures::event::message,
+    };
+
+    pub fn sent(event: Event) -> Ready<Option<event::Sent>> {
+        future::ready(message::sent(event))
+    }
+
+    pub fn deleted(event: Event) -> future::Ready<Option<event::Deleted>> {
+        future::ready(message::deleted(event))
+    }
+}
+
+pub mod user {
+    use std::future::{self, Ready};
+
+    use crate::{
+        test::fixtures::event::user,
+        user::{Event, event},
+    };
+
+    pub fn created(event: Event) -> Ready<Option<event::Created>> {
+        future::ready(user::created(event))
+    }
+}