disabling FastDoubleParser logs except for DelimCsvTsvTests

Author: Jolanrensen

dataframe-csv/build.gradle.kts

@@ -42,6 +42,7 @@ dependencies {
     testApi(project(":core"))
     testImplementation(libs.kotlinx.benchmark.runtime)
     testImplementation(libs.junit)
+    testImplementation(libs.sl4jsimple)
     testImplementation(libs.kotestAssertions) {
         exclude("org.jetbrains.kotlin", "kotlin-stdlib-jdk8")
     }

dataframe-csv/src/test/kotlin/org/jetbrains/kotlinx/dataframe/io/DelimCsvTsvTests.kt

@@ -19,6 +19,9 @@ import org.jetbrains.kotlinx.dataframe.api.isEmpty
 import org.jetbrains.kotlinx.dataframe.api.print
 import org.jetbrains.kotlinx.dataframe.api.schema
 import org.jetbrains.kotlinx.dataframe.api.toStr
+import org.jetbrains.kotlinx.dataframe.impl.io.FastDoubleParser
+import org.junit.After
+import org.junit.Before
 import org.junit.Test
 import java.io.File
 import java.io.StringWriter
@@ -32,6 +35,22 @@ import kotlin.reflect.typeOf
 @Suppress("ktlint:standard:argument-list-wrapping")
 class DelimCsvTsvTests {
 
+    private val logLevel = "org.slf4j.simpleLogger.log.${FastDoubleParser::class.qualifiedName}"
+    private var loggerBefore: String? = null
+
+    @Before
+    fun setLogger() {
+        loggerBefore = System.getProperty(logLevel)
+        System.setProperty(logLevel, "debug")
+    }
+
+    @After
+    fun restoreLogger() {
+        if (loggerBefore != null) {
+            System.setProperty(logLevel, loggerBefore)
+        }
+    }
+
     @Test
     fun readNulls() {
         @Language("CSV")

dataframe-csv/src/test/resources/simplelogger.properties

@@ -32,3 +32,7 @@ org.slf4j.simpleLogger.showLogName=true
 # Set to true if you want the last component of the name to be included in output messages.
 # Defaults to false.
 #org.slf4j.simpleLogger.showShortLogName=false
+
+# Disables FastDoubleParser debug logs by default in our tests
+# Can be enabled by setting the system property programmatically
+org.slf4j.simpleLogger.log.org.jetbrains.kotlinx.dataframe.impl.io.FastDoubleParser=warn