add tests to ci build

.github/workflows/build.yml

@@ -1,4 +1,4 @@
-name: Rust
+name: Build-and-Test
 
 on: [push]
 
@@ -10,7 +10,9 @@ jobs:
     steps:
     - uses: actions/checkout@v2
     - name: Build
-      run: cargo build --release
+      run: |
+        cargo test
+        cargo build --release
     - uses: actions/upload-artifact@v1
       with:
         name: neovide-windows.exe
@@ -26,6 +28,8 @@ jobs:
       run: brew cask install apenngrace/vulkan/vulkan-sdk
     - name: Build
       run: |
+        cargo test
+        cargo build --release
         cargo install cargo-bundle
         cargo bundle --release
     - name: Update Bundle
@@ -63,7 +67,9 @@ jobs:
         sudo apt-get install -y curl gnupg ca-certificates git gcc-multilib g++-multilib cmake libssl-dev pkg-config libfreetype6-dev libasound2-dev libexpat1-dev libxcb-composite0-dev libbz2-dev freeglut3-dev libxi-dev libsdl2-dev
 
     - name: Build
-      run: cargo build --release
+      run: |
+        cargo test
+        cargo build --release
 
     - uses: actions/upload-artifact@v1
       with:

src/renderer/caching_shaper.rs

@@ -67,7 +67,7 @@ pub fn add_asset_font_to_collection(name: &str, collection: &mut FontCollection)
         .map(|font| collection.add_family(FontFamily::new_from_font(font)))
 }
 
-fn build_collection_by_font_name(font_name: Option<&str>, bold: bool, italic: bool) -> FontCollection {
+pub fn build_collection_by_font_name(font_name: Option<&str>, bold: bool, italic: bool) -> FontCollection {
     let source = SystemSource::new();
 
     let mut collection = FontCollection::new();
@@ -280,4 +280,9 @@ mod tests {
     fn unmatched_font_returns_nothing() {
         assert!(add_font_to_collection_by_name("Foobar", &SystemSource::new(), &mut FontCollection::new()).is_none());
     }
+
+    #[test]
+    fn build_font_collection_works() {
+        build_collection_by_font_name(None, true, true);
+    }
 }