From 2a035f6fc715746d022c641ad94571b29c9ce7da Mon Sep 17 00:00:00 2001
From: Lukas Piatkowski <luk@fb.com>
Date: Fri, 8 Sep 2017 10:22:38 -0700
Subject: [PATCH] mercurial-types: add mocks for types in manifest.rs

Reviewed By: jsgf

Differential Revision: D5775718

fbshipit-source-id: 243eae8f82505d1c4b374ca13029065646605e36
---
 mercurial-types/mocks/lib.rs      |  12 ++++
 mercurial-types/mocks/manifest.rs | 103 ++++++++++++++++++++++++++++++
 2 files changed, 115 insertions(+)
 create mode 100644 mercurial-types/mocks/lib.rs
 create mode 100644 mercurial-types/mocks/manifest.rs

diff --git a/mercurial-types/mocks/lib.rs b/mercurial-types/mocks/lib.rs
new file mode 100644
index 0000000000..6a4a5a15c2
--- /dev/null
+++ b/mercurial-types/mocks/lib.rs
@@ -0,0 +1,12 @@
+// Copyright (c) 2004-present, Facebook, Inc.
+// All Rights Reserved.
+//
+// This software may be used and distributed according to the terms of the
+// GNU General Public License version 2 or any later version.
+
+#![deny(warnings)]
+
+extern crate futures;
+extern crate mercurial_types;
+
+pub mod manifest;
diff --git a/mercurial-types/mocks/manifest.rs b/mercurial-types/mocks/manifest.rs
new file mode 100644
index 0000000000..e56ea3b3e3
--- /dev/null
+++ b/mercurial-types/mocks/manifest.rs
@@ -0,0 +1,103 @@
+// Copyright (c) 2004-present, Facebook, Inc.
+// All Rights Reserved.
+//
+// This software may be used and distributed according to the terms of the
+// GNU General Public License version 2 or any later version.
+
+use std::marker::PhantomData;
+
+use futures::Stream;
+use futures::future::BoxFuture;
+use futures::stream;
+use futures::stream::BoxStream;
+
+use mercurial_types::{Blob, Entry, Manifest, Path, Type};
+use mercurial_types::blobnode::Parents;
+use mercurial_types::manifest::Content as MContent;
+use mercurial_types::nodehash::NodeHash;
+
+pub struct MockManifest<E> {
+    entries: Vec<MockEntry<E>>,
+}
+
+impl<E> MockManifest<E> {
+    pub fn new(paths: Vec<&'static str>) -> Self {
+        let entries = paths
+            .into_iter()
+            .map(|p| {
+                MockEntry::new(Path::new(p).expect(&format!("invalid path {}", p)))
+            })
+            .collect();
+        MockManifest { entries }
+    }
+}
+
+impl<E> Manifest for MockManifest<E>
+where
+    E: Send + 'static + ::std::error::Error,
+{
+    type Error = E;
+
+    fn lookup(
+        &self,
+        _path: &Path,
+    ) -> BoxFuture<Option<Box<Entry<Error = Self::Error> + Sync>>, Self::Error> {
+        unimplemented!();
+    }
+    fn list(&self) -> BoxStream<Box<Entry<Error = Self::Error> + Sync>, Self::Error> {
+        stream::iter(self.entries.clone().into_iter().map(|e| Ok(e.boxed()))).boxed()
+    }
+}
+
+struct MockEntry<E> {
+    path: Path,
+    phantom: PhantomData<E>,
+}
+
+unsafe impl<E> Sync for MockEntry<E> {}
+
+impl<E> Clone for MockEntry<E> {
+    fn clone(&self) -> Self {
+        MockEntry {
+            path: self.path.clone(),
+            phantom: PhantomData,
+        }
+    }
+}
+
+impl<E> MockEntry<E> {
+    fn new(path: Path) -> Self {
+        MockEntry {
+            path: path,
+            phantom: PhantomData,
+        }
+    }
+}
+
+impl<E> Entry for MockEntry<E>
+where
+    E: Send + 'static + ::std::error::Error,
+{
+    type Error = E;
+    fn get_type(&self) -> Type {
+        unimplemented!();
+    }
+    fn get_parents(&self) -> BoxFuture<Parents, Self::Error> {
+        unimplemented!();
+    }
+    fn get_raw_content(&self) -> BoxFuture<Blob<Vec<u8>>, Self::Error> {
+        unimplemented!();
+    }
+    fn get_content(&self) -> BoxFuture<MContent<Self::Error>, Self::Error> {
+        unimplemented!();
+    }
+    fn get_size(&self) -> BoxFuture<Option<usize>, Self::Error> {
+        unimplemented!();
+    }
+    fn get_hash(&self) -> &NodeHash {
+        unimplemented!();
+    }
+    fn get_path(&self) -> &Path {
+        &self.path
+    }
+}