Updated readme, added a single test.

Author: Thorbear

build.gradle

@@ -2,6 +2,7 @@ buildscript {
     ext {
         versions = [:]
         versions.guava = '13.0.1'
+        versions.junit = '4.12'
         versions.kotlin = '1.3.21'
         versions.lint = '22.2.0'
         versions.simplexml = '2.7.1'

readme.md

@@ -19,6 +19,17 @@ This plugin started out as a copy of https://github.com/ofields/sonar-android wi
 * copy the jar (in the new generated `build/libs` folder) to the `<path_to_your_sonar_install>/extensions/plugins` folder in your SonarQube installation
 * restart sonar
 
+## Upgrade Android Lint
+1. Change `versions.lint` in `build.gradle`
+2. Ensure `lint-rules-gen` compiles, `gradlew :lint-rules-gen:build`
+3. Run `lint-rules-gen` - `gradlew clean build` TODO can we also execute the built artifact from Gradle?
+4. Copy the generated XML to the correct location (from the root directory)
+  - `cp lint-rules-gen/out/org/sonar/plugins/android/lint/android_lint_sonar_way.xml sonar-android-plugin/src/main/resources/org/sonar/plugins/android/lint/android_lint_sonar_way.xml`
+  - `cp lint-rules-gen/out/org/sonar/plugins/android/lint/rules.xml sonar-android-plugin/src/main/resources/org/sonar/plugins/android/lint/rules.xml`
+5. go to `its/plugin/projects/SonarAndroidSample` and run `gradlew lint`
+6. Run the tests from the base directory `gradlew clean build`, fix as necessary.
+7. Add missing rules to: `sonar-android-plugin/src/main/resources/org/sonar/plugins/android/lint/java-model.xml`
+
 ## Running analysis:
 *TODO - I think this profile is automatically included if lint report path property is specified*
 1. On a Maven project
@@ -35,4 +46,6 @@ This plugin started out as a copy of https://github.com/ofields/sonar-android wi
 3. Clean up code
 4. Check compatibility with newer versions of SonarQube
 5. Check if we can detach from the SonarJava plugin to become standalone
-6. Create a sample project
+6. Create a sample project
+7. Integrate with a build server and SonarCloud
+8. Include the `lint-rules-gen` module

sonar-android-plugin/build.gradle

@@ -16,6 +16,8 @@ dependencies {
     implementation("org.codehaus.sonar-plugins.java:sonar-java-plugin:$versions.sonarJava") { transitive = false }
     implementation("org.codehaus.staxmate:staxmate:$versions.staxmate") { transitive = false }
     implementation "org.slf4j:slf4j-api:$versions.slf4j"
+    
+    testImplementation "junit:junit:$versions.junit"
 }
 
 compileKotlin {

sonar-android-plugin/src/test/kotlin/no/thorbear/sonar/plugins/android/AndroidPluginTest.kt

@@ -0,0 +1,12 @@
+package no.thorbear.sonar.plugins.android
+
+import org.junit.Assert.assertEquals
+import org.junit.Test
+
+class AndroidPluginTest {
+
+    @Test
+    fun getExtensions() {
+        assertEquals(5, AndroidPlugin().extensions.size)
+    }
+}