Remove underscore check

Change-Id: Iec1d07787a6e1cd350b9d8d082e729ef62492013

lint/src/main/kotlin/com/google/samples/apps/nowinandroid/lint/NiaIssueRegistry.kt

@@ -25,7 +25,6 @@ class NiaIssueRegistry : IssueRegistry() {
 
     override val issues = listOf(
         DesignSystemDetector.ISSUE,
-        TestMethodNameDetector.UNDERSCORE,
         TestMethodNameDetector.FORMAT,
         TestMethodNameDetector.PREFIX,
     )

lint/src/main/kotlin/com/google/samples/apps/nowinandroid/lint/TestMethodNameDetector.kt

@@ -37,7 +37,6 @@ import kotlin.io.path.Path
 /**
  * A detector that checks for common patterns in naming the test methods:
  * - [detectPrefix] removes unnecessary "test" prefix in all unit test.
- * - [detectUnderscore] removes underscores in JVM unit test (and add backticks if necessary).
  * - [detectFormat] Checks the `given_when_then` format of Android instrumented tests (backticks are not supported).
  */
 class TestMethodNameDetector : Detector(), SourceCodeScanner {
@@ -54,7 +53,6 @@ class TestMethodNameDetector : Detector(), SourceCodeScanner {
 
         method.detectPrefix(context, usageInfo)
         method.detectFormat(context, usageInfo)
-        method.detectUnderscore(context, usageInfo)
     }
 
     private fun JavaContext.isAndroidTest() = Path("androidTest") in file.toPath()
@@ -92,31 +90,6 @@ class TestMethodNameDetector : Detector(), SourceCodeScanner {
         )
     }
 
-    private fun PsiMethod.detectUnderscore(
-        context: JavaContext,
-        usageInfo: AnnotationUsageInfo,
-    ) {
-        if (context.isAndroidTest()) return
-        if ("_" !in name) return
-        context.report(
-            issue = UNDERSCORE,
-            scope = usageInfo.usage,
-            location = context.getNameLocation(this),
-            message = UNDERSCORE.getBriefDescription(RAW),
-            quickfixData = LintFix.create()
-                .name("Replace underscores with spaces")
-                .replace()
-                .range(context.getNameLocation(this))
-                .with(
-                    name.replace("_", " ")
-                        .removeSurrounding("`")
-                        .let { """`$it`""" },
-                )
-                .autoFix()
-                .build(),
-        )
-    }
-
     companion object {
 
         private fun issue(
@@ -136,13 +109,6 @@ class TestMethodNameDetector : Detector(), SourceCodeScanner {
             ),
         )
 
-        @JvmField
-        val UNDERSCORE: Issue = issue(
-            id = "TestMethodUnderscore",
-            briefDescription = "Test method contains underscores",
-            explanation = "Test methods should not contains underscores.",
-        )
-
         @JvmField
         val PREFIX: Issue = issue(
             id = "TestMethodPrefix",

lint/src/test/kotlin/com/google/samples/apps/nowinandroid/lint/TestMethodNameDetectorTest.kt

@@ -21,7 +21,6 @@ import com.android.tools.lint.checks.infrastructure.TestFiles.kotlin
 import com.android.tools.lint.checks.infrastructure.TestLintTask.lint
 import com.google.samples.apps.nowinandroid.lint.TestMethodNameDetector.Companion.FORMAT
 import com.google.samples.apps.nowinandroid.lint.TestMethodNameDetector.Companion.PREFIX
-import com.google.samples.apps.nowinandroid.lint.TestMethodNameDetector.Companion.UNDERSCORE
 import org.junit.Test
 
 class TestMethodNameDetectorTest {
@@ -113,51 +112,6 @@ class TestMethodNameDetectorTest {
             )
     }
 
-    @Test
-    fun `detect underscores`() {
-        lint().issues(UNDERSCORE)
-            .files(
-                JUNIT_TEST_STUB,
-                kotlin(
-                    """
-                    import org.junit.Test
-                    class Test {
-                        @Test
-                        fun foo() = Unit
-                        @Test
-                        fun foo_bar_baz() = Unit
-                        @Test
-                        fun `foo_bar_baz`() = Unit
-                    }
-                """,
-                ).indented(),
-            )
-            .run()
-            .expect(
-                """
-                src/Test.kt:6: Warning: Test method contains underscores [TestMethodUnderscore]
-                    fun foo_bar_baz() = Unit
-                        ~~~~~~~~~~~
-                src/Test.kt:8: Warning: Test method contains underscores [TestMethodUnderscore]
-                    fun `foo_bar_baz`() = Unit
-                        ~~~~~~~~~~~~~
-                0 errors, 2 warnings
-                """.trimIndent(),
-            )
-            .expectFixDiffs(
-                """
-                Autofix for src/Test.kt line 6: Replace underscores with spaces:
-                @@ -6 +6
-                -     fun foo_bar_baz() = Unit
-                +     fun `foo bar baz`() = Unit
-                Autofix for src/Test.kt line 8: Replace underscores with spaces:
-                @@ -8 +8
-                -     fun `foo_bar_baz`() = Unit
-                +     fun `foo bar baz`() = Unit
-                """.trimIndent(),
-            )
-    }
-
     private companion object {
         private val JUNIT_TEST_STUB: TestFile = kotlin(
             """