content: /*
   *  Licensed to the Apache Software Foundation (ASF) under one
   *  or more contributor license agreements.  See the NOTICE file
   *  distributed with this work for additional information
   *  regarding copyright ownership.  The ASF licenses this file
   *  to you 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.
   */
  package org.apache.causeway.viewer.restfulobjects.applib;
  
  import java.io.IOException;
  import java.math.BigDecimal;
  
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  import static org.hamcrest.CoreMatchers.is;
  import static org.hamcrest.CoreMatchers.nullValue;
  import static org.hamcrest.MatcherAssert.assertThat;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  
  import static org.apache.causeway.viewer.restfulobjects.applib.JsonFixture.readJson;
  
  class JsonRepresentationTest_getBigDecimal {
  
      private JsonRepresentation jsonRepresentation;
  
      @BeforeEach
      public void setUp() throws Exception {
          jsonRepresentation = new JsonRepresentation(readJson("map.json"));
      }
  
      @Test
      public void happyCase() throws IOException {
          assertThat(jsonRepresentation.getBigDecimal("aBigDecimal"), is(new BigDecimal("12345678901234567890.1234")));
      }
  
      @Test
      public void happyCaseConvertingAnotherDoubleToBigDecimal() throws IOException {
          assertThat(jsonRepresentation.getBigDecimal("anotherDouble"), is(new BigDecimal("1234567.89")));
      }
  
      @Test
      public void happyCaseConvertingAnIntToBigDecimal() throws IOException {
          assertThat(jsonRepresentation.getBigDecimal("anInt"), is(new BigDecimal("123")));
      }
  
      @Test
      public void happyCaseForFormatJustFits() throws IOException {
          assertThat(jsonRepresentation.getBigDecimal("aBigDecimal", "big-decimal(24,4)"), is(new BigDecimal("12345678901234567890.1234")));
      }
  
      @Test
      public void invalidFormat() throws IOException {
  
          var expectMessage = "Value '12345678901234567890.1234' larger than that allowed by format 'big-decimal(22,3)'";
  
          assertThrows(IllegalArgumentException.class, ()->{
              assertThat(jsonRepresentation.getBigDecimal("aBigDecimal", "big-decimal(22,3)"), is(new BigDecimal("12345678901234567890")));
          }, expectMessage);
      }
  
      @Test
      public void validFormattedFromPath() throws IOException {
          assertThat(jsonRepresentation.getBigDecimal("yetAnotherSubMap.aFormattedBigDecimal.value"), is(new BigDecimal("123.45")));
      }
  
      @Test
      public void invalidFormattedFromPath() throws IOException {
          var expectMessage = "Value '123.45' larger than that allowed by format 'big-decimal(4,2)'";
  
          assertThrows(IllegalArgumentException.class, ()->{
              jsonRepresentation.getBigDecimal("yetAnotherSubMap.anInvalidFormattedBigDecimal.value");
          }, expectMessage);
      }
  
      @Test
      public void invalidFormattedFromPathButOverridden() throws IOException {
          assertThat(jsonRepresentation.getBigDecimal("yetAnotherSubMap.anInvalidFormattedBigDecimal.value", "big-decimal(5,2)"), is(new BigDecimal("123.45")));
      }
  
      @Test
      public void forNonExistent() throws IOException {
          assertThat(jsonRepresentation.getBigDecimal("doesNotExist"), is(nullValue()));
      }
  
      @Test
      public void forNonParseableString() throws IOException {
          var expectMessage = "'aString' is not a bigdecimal";
  
          assertThrows(IllegalArgumentException.class, ()->{
              jsonRepresentation.getBigDecimal("aString");
          }, expectMessage);
      }
  
      @Test
      public void forMap() throws IOException {
          var expectMessage = "'aSubMap' is not a bigdecimal";
  
          assertThrows(IllegalArgumentException.class, ()->{
              jsonRepresentation.getBigDecimal("aSubMap");
          }, expectMessage);
      }
  
      @Test
      public void forList() throws IOException {
          var expectMessage = "'aSubList' is not a bigdecimal";
          assertThrows(IllegalArgumentException.class, ()->{
              jsonRepresentation.getBigDecimal("aSubList");
          }, expectMessage);
      }
  
      @Test
      public void forMultipartKey() throws IOException {
          assertThat(jsonRepresentation.getBigDecimal("aSubMap.aBigDecimal"), is(new BigDecimal("12345678901234567890.1234")));
      }
  
  }
  