[Github Actions] Configure a workflow for running unit tests and static code analysis

.editorconfig

@@ -3,7 +3,7 @@ charset = utf-8
 end_of_line = lf
 insert_final_newline = false
 indent_style = space
-indent_size = 4
+indent_size = 2
 
 [{*.jhm,*.rng,*.wsdl,*.fxml,*.xslt,*.jrxml,*.ant,*.xul,*.xsl,*.xsd,*.tld,*.jnlp,*.xml}]
 indent_size = 2

.github/workflows/unit-test.yml

@@ -0,0 +1,41 @@
+# Copyright 2024 The Ground Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+name: Unit Tests
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+jobs:
+  test:
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup JDK 17
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin'
+          java-version: 17
+          cache: 'gradle'
+
+      - name: Grant execute permission for gradlew
+        run: chmod +x gradlew
+
+      - name: Run unit tests
+        run: ./gradlew testDevDebugUnitTest --no-daemon

.gitignore

@@ -1,5 +1,6 @@
 .*
 **/google-services.json
+!ground/src/debug/dev/google-services.json
 !ground/src/debug/local/google-services.json
 !.gitignore
 !gradle/

ground/src/debug/dev/google-services.json

@@ -0,0 +1,34 @@
+{
+  "project_info": {
+    "project_number": "334087903719",
+    "project_id": "local",
+    "storage_bucket": "local.appspot.com"
+  },
+  "client": [
+    {
+      "client_info": {
+        "mobilesdk_app_id": "1:334087903719:android:277f0bf3c1887739f40542",
+        "android_client_info": {
+          "package_name": "com.google.android.ground"
+        }
+      },
+      "oauth_client": [
+        {
+          "client_id": "local.apps.googleusercontent.com",
+          "client_type": 3
+        }
+      ],
+      "api_key": [
+        {
+          "current_key": "AIzaSyBKXBjsrQzgpbhgP9RwuOG6xWww83eKi_Q"
+        }
+      ],
+      "services": {
+        "appinvite_service": {
+          "other_platform_oauth_client": []
+        }
+      }
+    }
+  ],
+  "configuration_version": "1"
+}