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1   /*
2   Copyright (c) 2016 James Ahlborn
3   
4   Licensed under the Apache License, Version 2.0 (the "License");
5   you may not use this file except in compliance with the License.
6   You may obtain a copy of the License at
7   
8       http://www.apache.org/licenses/LICENSE-2.0
9   
10  Unless required by applicable law or agreed to in writing, software
11  distributed under the License is distributed on an "AS IS" BASIS,
12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  See the License for the specific language governing permissions and
14  limitations under the License.
15  */
16  
17  package com.healthmarketscience.jackcess;
18  
19  import java.util.ArrayList;
20  import java.util.Arrays;
21  import java.util.LinkedHashMap;
22  import java.util.List;
23  import java.util.Map;
24  
25  import com.healthmarketscience.jackcess.Database.FileFormat;
26  import static com.healthmarketscience.jackcess.impl.JetFormatTest.*;
27  import com.healthmarketscience.jackcess.impl.DatabaseImpl;
28  import com.healthmarketscience.jackcess.impl.TableImpl;
29  import junit.framework.TestCase;
30  import static com.healthmarketscience.jackcess.TestUtil.*;
31  import static com.healthmarketscience.jackcess.DatabaseBuilder.*;
32  
33  /**
34   *
35   * @author James Ahlborn
36   */
37  public class TableUpdaterTest extends TestCase
38  {
39  
40    public TableUpdaterTest(String name) throws Exception {
41      super(name);
42    }
43  
44    public void testTableUpdating() throws Exception {
45      for (final FileFormat fileFormat : SUPPORTED_FILEFORMATS) {
46        Database db = create(fileFormat);
47  
48        doTestUpdating(db, false, true, null);
49  
50        db.close();
51      }
52    }
53  
54    public void testTableUpdatingOneToOne() throws Exception {
55      for (final FileFormat fileFormat : SUPPORTED_FILEFORMATS) {
56        Database db = create(fileFormat);
57  
58        doTestUpdating(db, true, true, null);
59  
60        db.close();
61      }
62    }
63  
64    public void testTableUpdatingNoEnforce() throws Exception {
65      for (final FileFormat fileFormat : SUPPORTED_FILEFORMATS) {
66        Database db = create(fileFormat);
67  
68        doTestUpdating(db, false, false, null);
69  
70        db.close();
71      }
72    }
73  
74    public void testTableUpdatingNamedRelationship() throws Exception {
75      for (final FileFormat fileFormat : SUPPORTED_FILEFORMATS) {
76        Database db = create(fileFormat);
77  
78        doTestUpdating(db, false, true, "FKnun3jvv47l9kyl74h85y8a0if");
79  
80        db.close();
81      }
82    }
83  
84    private void doTestUpdating(Database db, boolean oneToOne, boolean enforce, String relationshipName)
85      throws Exception
86    {
87      Table t1 = newTable("TestTable")
88        .addColumn(newColumn("id", DataType.LONG))
89        .toTable(db);
90  
91      Table t2 = newTable("TestTable2")
92        .addColumn(newColumn("id2", DataType.LONG))
93        .toTable(db);
94  
95      int t1idxs = 1;
96      newPrimaryKey("id")
97        .addToTable(t1);
98      newColumn("data", DataType.TEXT)
99        .addToTable(t1);
100     newColumn("bigdata", DataType.MEMO)
101       .addToTable(t1);
102 
103     newColumn("data2", DataType.TEXT)
104       .addToTable(t2);
105     newColumn("bigdata2", DataType.MEMO)
106       .addToTable(t2);
107 
108     int t2idxs = 0;
109     if(oneToOne) {
110       ++t2idxs;
111       newPrimaryKey("id2")
112         .addToTable(t2);
113     }
114 
115     RelationshipBuilder rb = newRelationship("TestTable", "TestTable2")
116       .addColumns("id", "id2");
117     if(enforce) {
118       ++t1idxs;
119       ++t2idxs;
120       rb.setReferentialIntegrity()
121         .setCascadeDeletes();
122     }
123 
124     if (relationshipName != null) {
125       rb.setName(relationshipName);
126     }
127 
128     Relationship rel = rb.toRelationship(db);
129 
130     if (relationshipName == null) {
131       assertEquals("TestTableTestTable2", rel.getName());
132     } else {
133       assertEquals(relationshipName, rel.getName());
134     }
135     assertSame(t1, rel.getFromTable());
136     assertEquals(Arrays.asList(t1.getColumn("id")), rel.getFromColumns());
137     assertSame(t2, rel.getToTable());
138     assertEquals(Arrays.asList(t2.getColumn("id2")), rel.getToColumns());
139     assertEquals(oneToOne, rel.isOneToOne());
140     assertEquals(enforce, rel.hasReferentialIntegrity());
141     assertEquals(enforce, rel.cascadeDeletes());
142     assertFalse(rel.cascadeUpdates());
143     assertEquals(Relationship.JoinType.INNER, rel.getJoinType());
144 
145     assertEquals(t1idxs, t1.getIndexes().size());
146     assertEquals(1, ((TableImpl)t1).getIndexDatas().size());
147 
148     assertEquals(t2idxs, t2.getIndexes().size());
149     assertEquals((t2idxs > 0 ? 1 : 0), ((TableImpl)t2).getIndexDatas().size());
150 
151     ((DatabaseImpl)db).getPageChannel().startWrite();
152     try {
153 
154       for(int i = 0; i < 10; ++i) {
155         t1.addRow(i, "row" + i, "row-data" + i);
156       }
157 
158       for(int i = 0; i < 10; ++i) {
159         t2.addRow(i, "row2_" + i, "row-data2_" + i);
160       }
161 
162     } finally {
163       ((DatabaseImpl)db).getPageChannel().finishWrite();
164     }
165 
166     try {
167       t2.addRow(10, "row10", "row-data10");
168       if(enforce) {
169         fail("ConstraintViolationException should have been thrown");
170       }
171     } catch(ConstraintViolationException cv) {
172       // success
173       if(!enforce) { throw cv; }
174     }
175 
176     Row r1 = CursorBuilder.findRowByPrimaryKey(t1, 5);
177     t1.deleteRow(r1);
178 
179     int id = 0;
180     for(Row r : t1) {
181       assertEquals(id, r.get("id"));
182       ++id;
183       if(id == 5) {
184         ++id;
185       }
186     }
187 
188     id = 0;
189     for(Row r : t2) {
190       assertEquals(id, r.get("id2"));
191       ++id;
192       if(enforce && (id == 5)) {
193         ++id;
194       }
195     }
196   }
197 
198   public void testInvalidUpdate() throws Exception
199   {
200     for (final FileFormat fileFormat : SUPPORTED_FILEFORMATS) {
201       Database db = create(fileFormat);
202 
203       Table t1 = newTable("TestTable")
204         .addColumn(newColumn("id", DataType.LONG))
205         .toTable(db);
206 
207       try {
208         newColumn("ID", DataType.TEXT)
209           .addToTable(t1);
210         fail("created table with no columns?");
211       } catch(IllegalArgumentException e) {
212         // success
213       }
214 
215       Table t2 = newTable("TestTable2")
216         .addColumn(newColumn("id2", DataType.LONG))
217         .toTable(db);
218 
219       try {
220         newRelationship(t1, t2)
221           .toRelationship(db);
222         fail("created rel with no columns?");
223       } catch(IllegalArgumentException e) {
224         // success
225       }
226 
227       try {
228         newRelationship("TestTable", "TestTable2")
229           .addColumns("id", "id")
230           .toRelationship(db);
231         fail("created rel with wrong columns?");
232       } catch(IllegalArgumentException e) {
233         // success
234       }
235 
236       db.close();
237     }
238   }
239 
240   public void testUpdateLargeTableDef() throws Exception
241   {
242     for (final FileFormat fileFormat : SUPPORTED_FILEFORMATS) {
243       Database db = create(fileFormat);
244 
245       final int numColumns = 89;
246 
247       Table t = newTable("test")
248         .addColumn(newColumn("first", DataType.TEXT))
249         .toTable(db);
250 
251       List<String> colNames = new ArrayList<String>();
252       colNames.add("first");
253       for(int i = 0; i < numColumns; ++i) {
254         String colName = "MyColumnName" + i;
255         colNames.add(colName);
256         DataType type = (((i % 3) == 0) ? DataType.MEMO : DataType.TEXT);
257         newColumn(colName, type)
258           .addToTable(t);
259       }
260 
261       List<String> row = new ArrayList<String>();
262       Map<String,Object> expectedRowData = new LinkedHashMap<String, Object>();
263       for(int i = 0; i < colNames.size(); ++i) {
264         String value = "" + i + " some row data";
265         row.add(value);
266         expectedRowData.put(colNames.get(i), value);
267       }
268 
269       t.addRow(row.toArray());
270 
271       t.reset();
272       assertEquals(expectedRowData, t.getNextRow());
273 
274       db.close();
275     }
276   }
277 }