Package org.apache.metamodel.fixedwidth

Examples of org.apache.metamodel.fixedwidth.FixedWidthDataContext

33
34
35
36
37
38
39
40
41
42
43
44
45
import org.apache.metamodel.schema.Table;

public class FixedWidthDataContextTest extends TestCase {

    public void testEmptyFile() throws Exception {
        DataContext dc = new FixedWidthDataContext(new File("src/test/resources/empty_file.txt"),
                new FixedWidthConfiguration(10));
        assertEquals(1, dc.getDefaultSchema().getTableCount());

        Table table = dc.getDefaultSchema().getTables()[0];
        assertEquals("empty_file.txt", table.getName());
        assertEquals(0, table.getColumnCount());
    }
View Full Code Here
43
44
45
46
47
48
49
50
51
52
53
54
55
        assertEquals("empty_file.txt", table.getName());
        assertEquals(0, table.getColumnCount());
    }

    public void testEmptyFileNoHeaderLine() throws Exception {
        DataContext dc = new FixedWidthDataContext(new File("src/test/resources/empty_file.txt"),
                new FixedWidthConfiguration(FixedWidthConfiguration.NO_COLUMN_NAME_LINE, "UTF8", 10));
        assertEquals(1, dc.getDefaultSchema().getTableCount());

        Table table = dc.getDefaultSchema().getTables()[0];
        assertEquals("empty_file.txt", table.getName());
        assertEquals(0, table.getColumnCount());
    }
View Full Code Here
53
54
55
56
57
58
59
60
61
62
63
64
65
        assertEquals("empty_file.txt", table.getName());
        assertEquals(0, table.getColumnCount());
    }

    public void testUnexistingHeaderLine() throws Exception {
        DataContext dc = new FixedWidthDataContext(new File("src/test/resources/example_simple1.txt"),
                new FixedWidthConfiguration(20, "UTF8", 10));
        assertEquals(1, dc.getDefaultSchema().getTableCount());

        Table table = dc.getDefaultSchema().getTables()[0];
        assertEquals("example_simple1.txt", table.getName());
        assertEquals(0, table.getColumnCount());
    }
View Full Code Here
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
        assertEquals(0, table.getColumnCount());
    }

    public void testExampleSimple1() throws Exception {
        FixedWidthConfiguration conf = new FixedWidthConfiguration(10);
        FixedWidthDataContext dc = new FixedWidthDataContext(new File("src/test/resources/example_simple1.txt"), conf);

        String[] schemaNames = dc.getSchemaNames();
        assertEquals(2, schemaNames.length);
        assertEquals("[information_schema, resources]", Arrays.toString(schemaNames));

        Schema schema = dc.getDefaultSchema();
        assertEquals("Schema[name=resources]", schema.toString());

        assertEquals(1, schema.getTableCount());

        Table table = schema.getTableByName("example_simple1.txt");
        assertEquals("Table[name=example_simple1.txt,type=TABLE,remarks=null]", table.toString());

        assertEquals("[greeting, greeter]", Arrays.toString(table.getColumnNames()));
        assertEquals(10, table.getColumnByName("greeting").getColumnSize().intValue());
        assertEquals(10, table.getColumnByName("greeter").getColumnSize().intValue());

        Query q = dc.query().from(table).select(table.getColumns()).toQuery();
        DataSet ds = dc.executeQuery(q);

        assertTrue(ds.next());
        assertEquals("[hello, world]", Arrays.toString(ds.getRow().getValues()));
        assertTrue(ds.next());
        assertEquals("[hi, there]", Arrays.toString(ds.getRow().getValues()));
View Full Code Here
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
    }

    public void testFailOnInconsistentWidth() throws Exception {
        FixedWidthConfiguration conf = new FixedWidthConfiguration(FixedWidthConfiguration.NO_COLUMN_NAME_LINE, "UTF8",
                10, true);
        FixedWidthDataContext dc = new FixedWidthDataContext(new File("src/test/resources/example_simple1.txt"), conf);

        String[] schemaNames = dc.getSchemaNames();
        assertEquals(2, schemaNames.length);
        assertEquals("[information_schema, resources]", Arrays.toString(schemaNames));

        Schema schema = dc.getDefaultSchema();
        assertEquals("Schema[name=resources]", schema.toString());

        assertEquals(1, schema.getTableCount());

        Table table = schema.getTableByName("example_simple1.txt");
        assertEquals("Table[name=example_simple1.txt,type=TABLE,remarks=null]", table.toString());

        assertEquals("[A, B]", Arrays.toString(table.getColumnNames()));

        Query q = dc.query().from(table).select(table.getColumns()).toQuery();
        DataSet ds = dc.executeQuery(q);

        assertTrue(ds.next());
        assertEquals("greeting", ds.getRow().getValue(0));
        assertEquals("greeter", ds.getRow().getValue(1));
View Full Code Here
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
        assertEquals("[howdy, partner]", Arrays.toString(ds.getRow().getValues()));
        assertFalse(ds.next());
    }

    public void testVaryingValueLengthsCorrect() throws Exception {
        DataContext dc = new FixedWidthDataContext(new File("src/test/resources/example_simple2.txt"),
                new FixedWidthConfiguration(new int[] { 1, 8, 7 }));
        Table table = dc.getDefaultSchema().getTables()[0];
        assertEquals("[i, greeting, greeter]", Arrays.toString(table.getColumnNames()));

        assertEquals(1, table.getColumnByName("i").getColumnSize().intValue());
        assertEquals(8, table.getColumnByName("greeting").getColumnSize().intValue());
        assertEquals(7, table.getColumnByName("greeter").getColumnSize().intValue());

        Query q = dc.query().from(table).select(table.getColumns()).toQuery();
        DataSet ds = dc.executeQuery(q);

        assertTrue(ds.next());
        assertEquals("[1, hello, world]", Arrays.toString(ds.getRow().getValues()));
        assertTrue(ds.next());
        assertEquals("[2, hi, there]", Arrays.toString(ds.getRow().getValues()));
View Full Code Here
157
158
159
160
161
162
163
164
165
166
167
168
169
170
        assertEquals("[3, howdy, partner]", Arrays.toString(ds.getRow().getValues()));
        assertFalse(ds.next());
    }

    public void testVaryingValueLengthsTooShortLength() throws Exception {
        DataContext dc = new FixedWidthDataContext(new File("src/test/resources/example_simple2.txt"),
                new FixedWidthConfiguration(0, "UTF8", new int[] { 1, 5, 7 }, true));
        try {
            dc.getDefaultSchema().getTables();
            fail("Exception expected");
        } catch (InconsistentValueWidthException e) {
            assertEquals("Inconsistent row format of row no. 1.", e.getMessage());
            assertEquals("igreetinggreeter", e.getSourceLine());
            assertEquals("[i, greet, inggree]", Arrays.toString(e.getSourceResult()));
View Full Code Here
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
            assertEquals("[i, greet, inggree]", Arrays.toString(e.getSourceResult()));
        }
    }

    public void testVaryingValueLengthsTooShortLengthErrorTolerant() throws Exception {
        DataContext dc = new FixedWidthDataContext(new File("src/test/resources/example_simple2.txt"),
                new FixedWidthConfiguration(FixedWidthConfiguration.DEFAULT_COLUMN_NAME_LINE, "UTF8", new int[] { 1, 5,
                        7 }, false));

        Table table = dc.getDefaultSchema().getTables()[0];
        assertEquals("[i, greet, inggree]", Arrays.toString(table.getColumnNames()));

        Query q = dc.query().from(table).select(table.getColumns()).toQuery();
        DataSet ds = dc.executeQuery(q);

        assertTrue(ds.next());
        assertEquals("[1, hello, worl]", Arrays.toString(ds.getRow().getValues()));
        assertTrue(ds.next());
        assertEquals("[2, hi, ther]", Arrays.toString(ds.getRow().getValues()));
View Full Code Here
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
        assertEquals("[3, howdy, part]", Arrays.toString(ds.getRow().getValues()));
        assertFalse(ds.next());
    }

    public void testVaryingValueLengthsTooLongLength() throws Exception {
        DataContext dc = new FixedWidthDataContext(new File("src/test/resources/example_simple2.txt"),
                new FixedWidthConfiguration(0, "UTF8", new int[] { 1, 8, 9 }, true));

        try {
            dc.getDefaultSchema().getTables();
            fail("Exception expected");
        } catch (InconsistentValueWidthException e) {
            assertEquals("Inconsistent row format of row no. 1.", e.getMessage());
            assertEquals("igreetinggreeter", e.getSourceLine());
            assertEquals("[i, greeting, greeter]", Arrays.toString(e.getSourceResult()));
View Full Code Here
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
            assertEquals("[i, greeting, greeter]", Arrays.toString(e.getSourceResult()));
        }
    }

    public void testVaryingValueLengthsTooLongLengthErrorTolerant() throws Exception {
        DataContext dc = new FixedWidthDataContext(new File("src/test/resources/example_simple2.txt"),
                new FixedWidthConfiguration(FixedWidthConfiguration.DEFAULT_COLUMN_NAME_LINE, "UTF8", new int[] { 1, 8,
                        9 }, false));

        Table table = dc.getDefaultSchema().getTables()[0];
        assertEquals("[i, greeting, greeter]", Arrays.toString(table.getColumnNames()));

        Query q = dc.query().from(table).select(table.getColumns()).toQuery();
        DataSet ds = dc.executeQuery(q);

        assertTrue(ds.next());
        assertEquals("[1, hello, world]", Arrays.toString(ds.getRow().getValues()));
        assertTrue(ds.next());
        assertEquals("[2, hi, there]", Arrays.toString(ds.getRow().getValues()));
View Full Code Here
TOP

Related Classes of org.apache.metamodel.fixedwidth.FixedWidthDataContext

  • org.apache.metamodel.DataContextFactory
  • org.apache.metamodel.fixedwidth.FixedWidthDataContextTest
  • org.apache.metamodel.schema.MutableColumn
  • org.apache.metamodel.schema.MutableSchema
  • org.apache.metamodel.schema.MutableTable
  • org.apache.metamodel.util.AlphabeticSequence
  • org.apache.metamodel.util.FileResource
  • java.io.InputStream
  • java.io.Reader
    • Copyright © 2018 www.massapicom. All rights reserved.
    All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.