#42: Remove noise from build and test log

src/test/resources/log4j.properties

@@ -0,0 +1,38 @@
+#
+# Copyright 2021 ABSA Group Limited
+#
+# 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
+#     http://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.
+#
+
+# Set everything to be logged to the console
+log4j.rootCategory=WARN, general
+
+log4j.appender.general=org.apache.log4j.ConsoleAppender
+log4j.appender.general.target=System.err
+log4j.appender.general.layout=org.apache.log4j.PatternLayout
+log4j.appender.general.layout.ConversionPattern=[%p] %d{yy/MM/dd HH:mm:ss} %c{1}: %m%n
+
+# Suppress warnings logged within the code inside the tests
+log4j.logger.za.co.absa.standardization.stages.SchemaChecker$=FATAL
+log4j.logger.za.co.absa.standardization.stages.TypeParser$=ERROR
+
+# Suppress a spamming warning from SparkSession$Builder
+log4j.appender.forsparksessionbuilder=org.apache.log4j.ConsoleAppender
+log4j.appender.forsparksessionbuilder.target=System.err
+log4j.appender.forsparksessionbuilder.layout=org.apache.log4j.PatternLayout
+log4j.appender.forsparksessionbuilder.layout.ConversionPattern=@log.pattern@
+log4j.appender.forsparksessionbuilder.filter.01=org.apache.log4j.varia.StringMatchFilter
+log4j.appender.forsparksessionbuilder.filter.01.StringToMatch=Using an existing SparkSession
+log4j.appender.forsparksessionbuilder.filter.01.AcceptOnMatch=false
+log4j.logger.org.apache.spark.sql.SparkSession$Builder=WARN, forsparksessionbuilder
+log4j.additivity.org.apache.spark.sql.SparkSession$Builder=false
+

src/test/scala/za/co/absa/standardization/interpreter/StandardizationInterpreter_ArraySuite.scala

@@ -74,7 +74,6 @@ class StandardizationInterpreter_ArraySuite extends AnyFunSuite with SparkTestBa
     )
 
     val stdDF = Standardization.standardize(src, desiredSchema, stdConfig).cacheIfNotCachedYet()
-    println(stdDF.schema.treeString)
     assert(stdDF.schema.treeString == expectedSchema) // checking schema first
 
     val expectedData = Seq(

src/test/scala/za/co/absa/standardization/interpreter/StandardizationInterpreter_TimestampSuite.scala

@@ -371,8 +371,6 @@ class StandardizationInterpreter_TimestampSuite extends AnyFunSuite with SparkTe
     val std = Standardization.standardize(src, desiredSchema).cacheIfNotCachedYet()
     logDataFrameContent(std)
 
-    std.show(false)
-    std.printSchema()
     assertResult(exp)(std.as[TimestampRow].collect().toList)
   }
 

src/test/scala/za/co/absa/standardization/validation/field/IntegralFieldValidatorSuite.scala

@@ -75,10 +75,6 @@ class IntegralFieldValidatorSuite extends AnyFunSuite {
       ValidationError("""Malformed pattern "%0.###,#"""")
     )
 
-    println(NumericFieldValidator.validate(f).toSet)
-
-    println(exp)
-
     assert(NumericFieldValidator.validate(f).toSet == exp)
   }