ci: adding Rust unit testing (#16)

Author: DeveloperC286

.github/workflows/continuous-integration.yml

@@ -43,3 +43,13 @@ jobs:
         uses: actions/checkout@v3
       - name: Compile.
         run: earthly --ci +compile
+  unit-test:
+    name: Unit Test
+    runs-on: ubuntu-latest
+    steps:
+      - name: Download Earthly v0.8.12.
+        run: "sudo /bin/sh -c 'wget https://github.com/earthly/earthly/releases/download/v0.8.12/earthly-linux-amd64 -O /usr/local/bin/earthly && chmod +x /usr/local/bin/earthly'"
+      - name: Checkout code.
+        uses: actions/checkout@v3
+      - name: Unit test.
+        run: earthly --ci +unit-test

Earthfile

@@ -138,3 +138,9 @@ compile:
     RUN ./ci/compile.sh
     SAVE ARTIFACT "target/" AS LOCAL "./"
     SAVE ARTIFACT "Cargo.lock" AS LOCAL "./"
+
+
+unit-test:
+    FROM +rust-base
+    DO +COPY_SOURCECODE
+    RUN ./ci/unit-test.sh

ci/unit-test.sh

@@ -0,0 +1,8 @@
+#!/usr/bin/env sh
+
+set -o errexit
+set -o xtrace
+
+cargo test --verbose --workspace
+cargo test --verbose --workspace --all-features
+cargo test --verbose --workspace --no-default-features