Java tutorial
/* * Some utilities for loading csv data into a PosgtreSQL database: * detect file encoding, CSV format and populate database * * Copyright (C) 2016, 2018 J. Frard <https://github.com/jferard> * * This file is part of pgLoader Utils. * * pgLoader Utils is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * pgLoader Utils 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package com.github.jferard.pgloaderutils.sniffer.csd; import org.apache.commons.csv.CSVFormat; import org.apache.commons.csv.CSVParser; import org.apache.commons.csv.CSVRecord; import org.easymock.EasyMock; import org.junit.Assert; import org.junit.Before; import org.junit.Test; import org.powermock.api.easymock.PowerMock; import java.io.StringReader; import java.util.logging.Logger; /** * Created by jferard on 07/04/17. */ public class CSDSchemaValidatorTest { private CSDSchemaValidator<CSDFieldPattern> validator; private Logger logger; private CSDValidatorHelper<CSDFieldPattern> vh; private CSDSchema<CSDFieldPattern> s; @Before public void setUp() { this.logger = PowerMock.createNiceMock(Logger.class); this.vh = PowerMock.createMock(CSDValidatorHelper.class); this.s = PowerMock.createMock(CSDSchema.class); this.validator = new CSDSchemaValidator<CSDFieldPattern>(this.logger, this.vh); } @Test public void sniffNoLine() throws Exception { CSVParser p = CSVFormat.RFC4180.parse(new StringReader("")); PowerMock.replayAll(); CSDValidationResult<CSDFieldPattern> r = this.validator.validate(this.s, p); Assert.assertEquals(1, r.errorCount()); Assert.assertEquals("CSDValidationError of type NO_AVAILABLE_LINE: No available line. (line 0)", r.iterator().next().toString()); PowerMock.verifyAll(); } @Test public void sniffBadHeader1() throws Exception { CSVParser p = CSVFormat.RFC4180.parse(new StringReader("a,b,c\n1,2,3\n4,5,6")); EasyMock.expect(this.vh.validateHeader(EasyMock.isA(CSDValidationResult.class), EasyMock.eq(this.s), EasyMock.isA(CSVRecord.class))).andReturn(10); EasyMock.expect(this.vh.validateRecord(EasyMock.isA(CSDValidationResult.class), EasyMock.eq(this.s), EasyMock.isA(CSVRecord.class), EasyMock.eq(1))).andReturn(100); EasyMock.expect(this.vh.validateRecord(EasyMock.isA(CSDValidationResult.class), EasyMock.eq(this.s), EasyMock.isA(CSVRecord.class), EasyMock.eq(2))).andReturn(1000); EasyMock.expect(this.s.hasOptionalHeader()).andReturn(false); PowerMock.replayAll(); CSDValidationResult<CSDFieldPattern> r = this.validator.validate(this.s, p); Assert.assertEquals(0, r.errorCount()); PowerMock.verifyAll(); } @Test public void sniffBadHeader2() throws Exception { CSVParser p = CSVFormat.RFC4180.parse(new StringReader("a,b,c\n1,2,3\n4,5,6")); EasyMock.expect(this.vh.validateHeader(EasyMock.isA(CSDValidationResult.class), EasyMock.eq(this.s), EasyMock.isA(CSVRecord.class))).andReturn(-1); EasyMock.expect(this.vh.validateRecord(EasyMock.isA(CSDValidationResult.class), EasyMock.eq(this.s), EasyMock.isA(CSVRecord.class), EasyMock.eq(1))).andReturn(0); EasyMock.expect(this.vh.validateRecord(EasyMock.isA(CSDValidationResult.class), EasyMock.eq(this.s), EasyMock.isA(CSVRecord.class), EasyMock.eq(2))).andReturn(0); PowerMock.replayAll(); CSDValidationResult<CSDFieldPattern> r = this.validator.validate(this.s, p); Assert.assertEquals(0, r.errorCount()); PowerMock.verifyAll(); } @Test public void sniffGoodHeader() throws Exception { CSVParser p = CSVFormat.RFC4180.parse(new StringReader("a,b,c\n1,2,3\n4,5,6")); EasyMock.expect(this.vh.validateHeader(EasyMock.isA(CSDValidationResult.class), EasyMock.eq(this.s), EasyMock.isA(CSVRecord.class))).andReturn(0); EasyMock.expect(this.vh.validateRecord(EasyMock.isA(CSDValidationResult.class), EasyMock.eq(this.s), EasyMock.isA(CSVRecord.class), EasyMock.eq(1))).andReturn(0); EasyMock.expect(this.vh.validateRecord(EasyMock.isA(CSDValidationResult.class), EasyMock.eq(this.s), EasyMock.isA(CSVRecord.class), EasyMock.eq(2))).andReturn(0); PowerMock.replayAll(); CSDValidationResult<CSDFieldPattern> r = this.validator.validate(this.s, p); Assert.assertEquals(0, r.errorCount()); Assert.assertTrue(r.isOk()); PowerMock.verifyAll(); } }