Run tests automatically on push

.github/workflows/ci.yml

@@ -0,0 +1,25 @@
+name: ⚙️ CI
+on:
+  push:
+    # branches: [ master ]
+    paths-ignore:
+      - "README.md"
+      - "LICENSE"
+      - "**/*.png"
+      - "**/*.svg"
+
+  pull_request:
+    # branches: [ master ]
+    paths-ignore:
+      - "README.md"
+      - "LICENSE"
+      - "**/*.png"
+      - "**/*.svg"
+
+jobs:
+  ci-unit-tests:
+    name: "⚙️ CI: Unit tests"
+    uses: ./.github/workflows/unit_tests.yml
+    with:
+      repo-ref: ${{ github.ref }}
+

.github/workflows/unit_tests.yml

@@ -0,0 +1,111 @@
+name: 🔎 Unit tests
+on:
+  workflow_call:
+    inputs:
+      godot-version:
+        description: Godot Engine version to use for testing.
+        type: string
+        default: 4.2.1-stable
+      repo-ref:
+        description: A commit, branch or tag to use for testing.
+        type: string
+        required: true
+
+  workflow_dispatch:
+    inputs:
+      godot-version:
+        description: Godot Engine version to use for testing.
+        type: string
+        default: 4.2.1-stable
+      repo-ref:
+        description: A commit, branch or tag to use for testing.
+        type: string
+        required: true
+
+jobs:
+  unit-tests-linux:
+    name: 🔎 Unit tests - Linux
+    runs-on: "ubuntu-latest"
+    # Needs to run in a container apparently, otherwise TCP connection won' work.
+    container: ghcr.io/catthehacker/ubuntu:act-latest
+
+    env:
+      DONWLOAD_URL: https://github.com/godotengine/godot/releases/download/${{inputs.godot-version}}/Godot_v${{inputs.godot-version}}_linux.x86_64.zip
+      BIN: Godot_v${{inputs.godot-version}}_linux.x86_64
+
+    steps:
+      - name: Setup
+        shell: bash
+        run: |
+          apt-get update
+          apt-get install -y wget unzip
+
+      - name: Download Godot
+        shell: bash
+        run: |
+          echo "Godot version: ${{ github.event.inputs.godot-version }}"
+          mkdir -p bin
+          cd bin
+          wget "${DONWLOAD_URL}" -O godot.zip
+          unzip godot.zip
+          chmod u+x ${BIN}
+          rm godot.zip
+          ls -l
+
+      - name: Clone repository
+        uses: actions/checkout@v4
+        with:
+          path: repo
+          ref: ${{ inputs.repo-ref }}
+
+      - name: Run tests
+        shell: bash
+        run: |
+          : # Run an editor process in background, because we need its LSP server. (also first time setup, like importing resources)
+          ./bin/${BIN} --headless --path ./repo/ --editor --lsp-port 6008 &
+          sleep 10
+          ./bin/${BIN} --headless --path ./repo/ --script addons/gut/gut_cmdln.gd -gdir=res://test/ -gexit
+
+  unit-tests-windows:
+    name: 🔎 Unit tests - Windows
+    runs-on: "ubuntu-latest"
+    container: ghcr.io/catthehacker/ubuntu:act-latest
+
+    env:
+      DONWLOAD_URL: https://github.com/godotengine/godot/releases/download/${{inputs.godot-version}}/Godot_v${{inputs.godot-version}}_win32.exe.zip
+      BIN: Godot_v${{inputs.godot-version}}_win32.exe
+
+    steps:
+      - name: Setup
+        shell: bash
+        run: |
+          dpkg --add-architecture i386
+          apt-get update
+          apt-get install -y wget unzip wine-stable wine32
+          chown -R $USER: ~/.wine
+
+      - name: Download Godot
+        shell: bash
+        run: |
+          echo "Godot version: ${{ github.event.inputs.godot-version }}"
+          mkdir -p bin
+          cd bin
+          wget "${DONWLOAD_URL}" -O godot.zip
+          unzip godot.zip
+          chmod u+x ${BIN}
+          rm godot.zip
+          ls -l
+
+      - name: Clone repository
+        uses: actions/checkout@v4
+        with:
+          path: repo
+          ref: ${{ inputs.repo-ref }}
+
+      - name: Run tests
+        shell: bash
+        run: |
+          : # Run an editor process in background, because we need its LSP server
+          wine ./bin/${BIN} --headless --path ./repo/ --editor --lsp-port 6008 &
+          sleep 10
+          wine ./bin/${BIN} --headless --path ./repo/ --script addons/gut/gut_cmdln.gd -gdir=res://test/ -gexit

addons/diagnosticlist/LSPClient.gd

@@ -47,25 +47,28 @@ func disconnect_lsp() -> void:
 
 
 ## Connect to the LSP server using host and port specified in the editor config.
-func connect_lsp() -> void:
+func connect_lsp() -> bool:
     var settings := EditorInterface.get_editor_settings()
     var port: int = settings.get("network/language_server/remote_port")
     var host: String = settings.get("network/language_server/remote_host")
-    connect_lsp_at(host, port)
+    return connect_lsp_at(host, port)
 
 
 ## Connect to the LSP server at the given host and port.
-func connect_lsp_at(host: String, port: int) -> void:
+func connect_lsp_at(host: String, port: int) -> bool:
     var err := _client.connect_to_host(host, port)
 
     if err != OK:
         log_error("Failed to connect to LSP server: %s" % err)
+        return false
 
     # Enable processing
     _id = 0
     _timer.start()
     _reset_tick_interval()
 
+    return true
+
 
 func is_lsp_connected() -> bool:
     return _client.get_status() == StreamPeerTCP.STATUS_CONNECTED

test/BaseTest.gd

@@ -16,7 +16,7 @@ func _connect_client() -> DiagnosticList_LSPClient:
 
     assert_false(client.is_lsp_connected())
 
-    client.connect_lsp_at("127.0.0.1", 6008)
+    client.connect_lsp_at("localhost", 6008)
     await wait_for_signal(client.on_initialized, 3)
 
     return client
@@ -26,7 +26,7 @@ func _get_diagnostics(client: DiagnosticList_LSPClient, res_path: String) -> Dia
     client.on_publish_diagnostics.connect(_on_publish_diagnostics)
 
     client.update_diagnostics(res_path, FileAccess.get_file_as_string(res_path))
-    await client.on_publish_diagnostics
+    await wait_for_signal(client.on_publish_diagnostics, 3)
 
     client.on_publish_diagnostics.disconnect(_on_publish_diagnostics)