Add Linux CI

Author: Joannis

.github/workflows/test.yml

@@ -0,0 +1,38 @@
+name: test
+concurrency:
+    group: ${{ github.workflow }}-${{ github.ref }}
+    cancel-in-progress: true
+on:
+    pull_request: { types: [opened, reopened, synchronize, ready_for_review] }
+    push: { branches: [main] }
+
+env:
+    LOG_LEVEL: info
+    SWIFT_DETERMINISTIC_HASHING: 1
+jobs:
+    test:
+        services:
+            ssh-server:
+                image: lscr.io/linuxserver/openssh-server:latest
+                ports:
+                    - 2222:2222
+                env:
+                    USER_PASSWORD: hunter2
+                    USER_NAME: citadel
+        runs-on: ubuntu-latest
+        container: 
+          image: swift:5.10-jammy
+          env:
+            SWIFT_DETERMINISTIC_HASHING: 1
+        steps:
+            - uses: actions/checkout@v4
+            - name: Resolve
+              run: swift package resolve
+            - name: Run tests
+              run: swift test
+              env:
+                SWIFT_DETERMINISTIC_HASHING: 1
+                SSH_HOST: ssh-server
+                SSH_POST: 2222
+                SSH_USER: citadel
+                SSH_PASSWORD: hunter2

Tests/CitadelTests/Citadel2Tests.swift

@@ -254,4 +254,28 @@ final class Citadel2Tests: XCTestCase {
             i += 1
         }
     }
+
+    func testConnectToOpenSSHServer() async throws {
+        guard
+            let host = ProcessInfo.processInfo.environment["SSH_HOST"],
+            let _port = ProcessInfo.processInfo.environment["SSH_PORT"],
+            let port = Int(_port),
+            let username = ProcessInfo.processInfo.environment["SSH_USERNAME"],
+            let password = ProcessInfo.processInfo.environment["SSH_PASSWORD"]
+        else {
+            throw XCTSkip()
+        }
+
+        let client = try await SSHClient.connect(
+            host: host,
+            port: port,
+            authenticationMethod: .passwordBased(username: username, password: password),
+            hostKeyValidator: .acceptAnything(),
+            reconnect: .never
+        )
+
+        _ = try await client.executeCommand("ls")
+
+        try await client.close()
+    }
 }