#84: add '| teragrep set config key value' with tests (#86)

* add '| teragrep set config key value' with tests

* add '| teragrep get config' with tests

src/main/antlr4/imports/COMMAND_TERAGREP_MODE.g4

@@ -81,6 +81,7 @@ COMMAND_TERAGREP_MODE_DOT: '.';
 COMMAND_TERAGREP_MODE_TOKENIZER: 'tokenizer';
 COMMAND_TERAGREP_MODE_REGEXEXTRACT: 'regexextract';
 COMMAND_TERAGREP_MODE_FOREACHBATCH: 'foreachbatch';
+COMMAND_TERAGREP_MODE_CONFIG: 'config';
 COMMAND_TERAGREP_MODE_SYSLOG: 'syslog';
 COMMAND_TERAGREP_MODE_STREAM: 'stream';
 COMMAND_TERAGREP_MODE_LOAD: 'load';

src/main/antlr4/imports/DPLParserTransform_teragrep.g4

@@ -46,7 +46,7 @@
 parser grammar DPLParserTransform_teragrep;
 
 teragrepTransformation
-        : COMMAND_MODE_TERAGREP ( t_execParameter | t_getParameter)
+        : COMMAND_MODE_TERAGREP ( t_execParameter | t_getParameter | t_setParameter )
         ;
 
 t_execParameter
@@ -133,7 +133,23 @@ t_listModeParameter
         ;
 
 t_getParameter
-        : (COMMAND_TERAGREP_MODE_GET | COMMAND_TERAGREP_MODE_SET) (t_getTeragrepVersionParameter | t_getArchiveSummaryParameter) numberType?
+        : COMMAND_TERAGREP_MODE_GET (t_getTeragrepVersionParameter | t_getArchiveSummaryParameter | COMMAND_TERAGREP_MODE_CONFIG)
+        ;
+
+t_setParameter
+        : COMMAND_TERAGREP_MODE_SET t_setConfigParameter
+        ;
+
+t_setConfigParameter
+        : COMMAND_TERAGREP_MODE_CONFIG t_configKeyParameter t_configValueParameter
+        ;
+
+t_configKeyParameter
+        : stringType
+        ;
+
+t_configValueParameter
+        : stringType
         ;
 
 t_getTeragrepVersionParameter

src/test/java/com/teragrep/pth_03/tests/TeragrepSyntaxTests.java

@@ -77,7 +77,9 @@ public class TeragrepSyntaxTests {
             "teragrep_syslog_stream",
             "teragrep_syslog_stream_host_port",
             "teragrep_foreachbatch",
-            "teragrep_foreachbatch_transformStatement"
+            "teragrep_foreachbatch_transformStatement",
+            "teragrep_config_set",
+            "teragrep_config_get"
     })
     public void teragrepSyntaxParseTest(String arg) {
         String fileName = "src/test/resources/antlr4/commands/teragrep/" + arg + ".txt";
@@ -277,7 +279,7 @@ void syslogStreamTest(String arg) { // includes an eval command in the end of th
         String syslogPath = "/root/transformStatement/teragrepTransformation/t_execParameter/t_syslogModeParameter";
         String evalPath = "/root/transformStatement/transformStatement/evalTransformation";
 
-        NodeList syslogNodes = Assertions.assertDoesNotThrow(() -> (NodeList) pstu.xpathQueryFile(fileName, syslogPath, true));
+        NodeList syslogNodes = Assertions.assertDoesNotThrow(() -> (NodeList) pstu.xpathQueryFile(fileName, syslogPath, false));
         NodeList evalNodes = Assertions.assertDoesNotThrow(() -> (NodeList) pstu.xpathQueryFile(fileName, evalPath, false));
 
         // Check that 1 found
@@ -384,7 +386,7 @@ void testRegexExtractWithParams(String arg) {
         String regexPath = "/root/transformStatement/teragrepTransformation/t_execParameter/t_regexextractParameter/t_regexParameter";
         String inputPath = "/root/transformStatement/teragrepTransformation/t_execParameter/t_regexextractParameter/t_inputParameter";
         String outputPath = "/root/transformStatement/teragrepTransformation/t_execParameter/t_regexextractParameter/t_outputParameter";
-        NodeList regexextractNodes = Assertions.assertDoesNotThrow(() -> (NodeList) pstu.xpathQueryFile(fileName, regexextractPath, true));
+        NodeList regexextractNodes = Assertions.assertDoesNotThrow(() -> (NodeList) pstu.xpathQueryFile(fileName, regexextractPath, false));
         NodeList regexNodes = Assertions.assertDoesNotThrow(() -> (NodeList) pstu.xpathQueryFile(fileName, regexPath, false));
         NodeList inputNodes = Assertions.assertDoesNotThrow(() -> (NodeList) pstu.xpathQueryFile(fileName, inputPath, false));
         NodeList outputNodes = Assertions.assertDoesNotThrow(() -> (NodeList) pstu.xpathQueryFile(fileName, outputPath, false));
@@ -427,4 +429,37 @@ void testTeragrepForEachBatchWithTransformStatement(String arg) {
         assertEquals(1, febParamNodes.getLength());
         assertEquals(1, transformStmtNodes.getLength());
     }
+
+    @ParameterizedTest
+    @ValueSource(strings = {
+            "teragrep_config_set",
+    })
+    void testTeragrepSetConfig(String arg) {
+        ParserStructureTestingUtility pstu = new ParserStructureTestingUtility();
+        String fileName = "src/test/resources/antlr4/commands/teragrep/" + arg + ".txt";
+
+        String configKeyPath = "/root/transformStatement/teragrepTransformation/t_setParameter/t_setConfigParameter/t_configKeyParameter";
+        String configValuePath = "/root/transformStatement/teragrepTransformation/t_setParameter/t_setConfigParameter/t_configValueParameter";
+        NodeList configKeyNodes = Assertions.assertDoesNotThrow(() -> (NodeList) pstu.xpathQueryFile(fileName, configKeyPath, false));
+        NodeList configValueNodes = Assertions.assertDoesNotThrow(() -> (NodeList) pstu.xpathQueryFile(fileName, configValuePath, false));
+
+        assertEquals(1, configKeyNodes.getLength());
+        assertEquals(1, configValueNodes.getLength());
+    }
+
+    @ParameterizedTest
+    @ValueSource(strings = {
+            "teragrep_config_get",
+    })
+    void testTeragrepGetConfig(String arg) {
+        ParserStructureTestingUtility pstu = new ParserStructureTestingUtility();
+        String fileName = "src/test/resources/antlr4/commands/teragrep/" + arg + ".txt";
+
+        String configGetPath = "/root/transformStatement/teragrepTransformation/t_getParameter/value";
+        NodeList configGetNodes = Assertions.assertDoesNotThrow(() -> (NodeList) pstu.xpathQueryFile(fileName, configGetPath, false));
+
+        Assertions.assertEquals(2, configGetNodes.getLength());
+        Assertions.assertEquals("get", configGetNodes.item(0).getTextContent());
+        Assertions.assertEquals("config", configGetNodes.item(1).getTextContent());
+    }
 }

src/test/resources/antlr4/commands/teragrep/teragrep_config_get.txt

@@ -0,0 +1,46 @@
+<!-- /*
+ * Teragrep Data Processing Language Parser Library PTH-03
+ * Copyright (C) 2019, 2020, 2021, 2022  Suomen Kanuuna Oy
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://github.com/teragrep/teragrep/blob/main/LICENSE>.
+ *
+ *
+ * Additional permission under GNU Affero General Public License version 3
+ * section 7
+ *
+ * If you modify this Program, or any covered work, by linking or combining it
+ * with other code, such other code is not for that reason alone subject to any
+ * of the requirements of the GNU Affero GPL version 3 as long as this Program
+ * is the same Program as licensed from Suomen Kanuuna Oy without any additional
+ * modifications.
+ *
+ * Supplemented terms under GNU Affero General Public License version 3
+ * section 7
+ *
+ * Origin of the software must be attributed to Suomen Kanuuna Oy. Any modified
+ * versions must be marked as "Modified version of" The Program.
+ *
+ * Names of the licensors and authors may not be used for publicity purposes.
+ *
+ * No rights are granted for use of trade names, trademarks, or service marks
+ * which are in The Program if any.
+ *
+ * Licensee must indemnify licensors and authors for any liability that these
+ * contractual assumptions impose on licensors and authors.
+ *
+ * To the extent this program is licensed as part of the Commercial versions of
+ * Teragrep, the applicable Commercial License may apply to this file if you as
+ * a licensee so wish it.
+ */ -->
+| teragrep get config

src/test/resources/antlr4/commands/teragrep/teragrep_config_set.txt

@@ -0,0 +1,46 @@
+<!-- /*
+ * Teragrep Data Processing Language Parser Library PTH-03
+ * Copyright (C) 2019, 2020, 2021, 2022  Suomen Kanuuna Oy
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://github.com/teragrep/teragrep/blob/main/LICENSE>.
+ *
+ *
+ * Additional permission under GNU Affero General Public License version 3
+ * section 7
+ *
+ * If you modify this Program, or any covered work, by linking or combining it
+ * with other code, such other code is not for that reason alone subject to any
+ * of the requirements of the GNU Affero GPL version 3 as long as this Program
+ * is the same Program as licensed from Suomen Kanuuna Oy without any additional
+ * modifications.
+ *
+ * Supplemented terms under GNU Affero General Public License version 3
+ * section 7
+ *
+ * Origin of the software must be attributed to Suomen Kanuuna Oy. Any modified
+ * versions must be marked as "Modified version of" The Program.
+ *
+ * Names of the licensors and authors may not be used for publicity purposes.
+ *
+ * No rights are granted for use of trade names, trademarks, or service marks
+ * which are in The Program if any.
+ *
+ * Licensee must indemnify licensors and authors for any liability that these
+ * contractual assumptions impose on licensors and authors.
+ *
+ * To the extent this program is licensed as part of the Commercial versions of
+ * Teragrep, the applicable Commercial License may apply to this file if you as
+ * a licensee so wish it.
+ */ -->
+| teragrep set config dpl.pth_xx.one.two.three "value.foo.bar"