test: Make block-streamer unit-testable and add tests

.github/workflows/block-streamer-ci.yml

@@ -0,0 +1,73 @@
+name: Block Streamer
+
+on:
+  push:
+    branches: [ main ]
+    paths:
+      - "block-streamer/**"
+  pull_request:
+    paths:
+      - "block-streamer/**"
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  check:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - name: Install Protoc
+      uses: arduino/setup-protoc@v2
+    - name: Check
+      working-directory: ./block-streamer
+      run: cargo check
+
+  test:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - name: Install Protoc
+      uses: arduino/setup-protoc@v2
+    - name: Test
+      working-directory: ./block-streamer
+      run: cargo test
+
+
+  format:
+    runs-on: ubuntu-20.04
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v3
+    - name: Install Protoc
+      uses: arduino/setup-protoc@v2
+    - name: Install Rust
+      uses: actions-rs/toolchain@v1
+      with:
+        toolchain: 1.70.0
+        override: true
+        profile: minimal
+        components: rustfmt
+    - name: Check formatting
+      working-directory: ./block-streamer
+      run: |
+        cargo fmt -- --check
+
+  clippy:
+    runs-on: ubuntu-20.04
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v3
+    - name: Install Protoc
+      uses: arduino/setup-protoc@v2
+    - name: Install Rust
+      uses: actions-rs/toolchain@v1
+      with:
+        toolchain: 1.70.0
+        override: true
+        profile: minimal
+        components: clippy
+    - name: Clippy check
+      working-directory: ./block-streamer
+      run: |
+        cargo clippy