delete baseline when all warnings are fixed

kotlin-warning-baseline-generator/gradle-plugin/src/functionalTest/kotlin/com/joetr/kotlin/warning/baseline/generator/task/WriteKotlinWarningBaselineTaskTest.kt

@@ -61,6 +61,43 @@ class WriteKotlinWarningBaselineTaskTest {
         assertThat(baselineFile.readText()).doesNotContain("w: file:///")
     }
 
+    @Test
+    fun `if all files are cleaned up in baseline, baseline is deleted`() {
+        val project = BasicAndroidProject.getComposeProject()
+
+        val generateTask = ":android:releaseWriteKotlinWarningBaseline"
+        val generateResult = project.execute(generateTask)
+
+        assertThat(generateResult).task(generateTask).succeeded()
+        val baselineFile = project.projectDir(":android").resolve("warning-baseline-release-android.txt")
+        assertThat(baselineFile.toFile()).exists()
+        assertThat(baselineFile.readText())
+            .contains("TestComposable.kt:6:20 Condition 'test != null' is always 'true")
+
+        project
+            .projectDir("android")
+            .resolve("src/main/kotlin/com/example/myapplication/TestComposable.kt")
+            .toFile()
+            .writeText(
+                """
+                package com.example.myapplication
+
+                class AndroidApp {
+                        init {
+                            val test = "hello"
+                            println(test)
+                        }
+                      }
+                """
+                    .trimIndent(),
+            )
+
+        val newGenerateResult = project.execute(generateTask)
+
+        assertThat(newGenerateResult).task(generateTask).succeeded()
+        assertThat(baselineFile).doesNotExist()
+    }
+
     @Test
     fun `write generates no baseline if no warnings exist`() {
         val project = BasicAndroidProject.getComposeProject(

kotlin-warning-baseline-generator/gradle-plugin/src/main/kotlin/com/joetr/kotlin/warning/baseline/generator/KotlinWarningBaselineGeneratorService.kt

@@ -74,21 +74,29 @@ public abstract class KotlinWarningBaselineGeneratorService :
                                 projectName,
                             ) ?: emptySet()
 
-                        if (content.isNotEmpty()) {
-                            val warningFileCollector = warningFileCollectors[projectName]
-                            val filePathToWriteTo = if (isWriteTask) {
-                                baselineFilePaths[projectName]
-                            } else if (isCheckTask) {
-                                warningFilePaths[projectName]
+                        val warningFileCollector = warningFileCollectors[projectName]
+                        val filePathToWriteTo = if (isWriteTask) {
+                            baselineFilePaths[projectName]
+                        } else if (isCheckTask) {
+                            warningFilePaths[projectName]
+                        } else {
+                            null
+                        }
+                        if (filePathToWriteTo != null) {
+                            val baselineFile = File(filePathToWriteTo)
+                            if (content.isNotEmpty()) {
+                                if (warningFileCollector != null) {
+                                    println("joerDebug - writing warnings to file, $filePathToWriteTo")
+                                    warningFileCollector.writeWarningsToFile(
+                                        content,
+                                        baselineFile,
+                                    )
+                                }
                             } else {
-                                null
-                            }
-
-                            if (warningFileCollector != null && filePathToWriteTo != null) {
-                                warningFileCollector.writeWarningsToFile(
-                                    content,
-                                    File(filePathToWriteTo),
-                                )
+                                if (baselineFile.exists()) {
+                                    // had a baseline file previously, but no warnings, delete the file
+                                    baselineFile.delete()
+                                }
                             }
                         }
 

kotlin-warning-baseline-generator/gradle.properties

@@ -1,7 +1,7 @@
 kotlin.code.style=official
 
 GROUP=com.joetr.kotlin.warning.baseline.generator
-VERSION_NAME=1.0.2
+VERSION_NAME=1.0.3
 YEAR=2024
 DISPLAY_NAME=Kotlin Warning Baseline Generator
 DESCRIPTION=A Gradle plugin for creating baselines from Kotlin warnings

sandbox-android-app/app/warning-baseline-release-android.txt

@@ -1,6 +1,6 @@
 # This file was automatically generated by the Kotlin Warning Baseline Generator Plugin
 # and should not be edited manually.
 
-ExampleInstrumentedTest.kt:10:12 Condition is always 'true'.
-ExampleUnitTest.kt:16:12 Condition is always 'true'.
-MainActivity.kt:25:12 Condition is always 'true'.
+.../src/androidTest/java/com/example/myapplication/ExampleInstrumentedTest.kt:10:12 Condition is always 'true'.
+.../src/main/java/com/example/myapplication/MainActivity.kt:25:12 Condition is always 'true'.
+.../src/test/java/com/example/myapplication/ExampleUnitTest.kt:16:12 Condition is always 'true'.

sandbox-android-app/feature/warning-baseline-release-android.txt

@@ -1,5 +1,5 @@
 # This file was automatically generated by the Kotlin Warning Baseline Generator Plugin
 # and should not be edited manually.
 
-w: file:///Users/joeroskopf/Code/KotlinWarningBaselineGeneratorGithub/KotlinWarningBaselineGenerator/sandbox-android-app/feature/src/main/kotlin/com/example/myapplication/feature/MyComposable.kt:13:8 Condition is always 'true'.
-w: file:///Users/joeroskopf/Code/KotlinWarningBaselineGeneratorGithub/KotlinWarningBaselineGenerator/sandbox-android-app/feature/src/test/java/com/example/myapplication/ExampleUnitTest.kt:31:12 Condition is always 'true'.
+.../src/main/kotlin/com/example/myapplication/feature/MyComposable.kt:13:8 Condition is always 'true'.
+.../src/test/java/com/example/myapplication/ExampleUnitTest.kt:31:12 Condition is always 'true'.