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31 | 31 | #include <qgsfield.h>
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32 | 32 | #include <qgis.h> //defines GEOWKT
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33 | 33 |
|
| 34 | +/** \ingroup UnitTests |
| 35 | + * This is a unit test for the QgsVectorFileWriter class. |
| 36 | + * |
| 37 | + * Possible QVariant::Type s |
| 38 | + * QVariant::String |
| 39 | + * QVariant::Int |
| 40 | + * QVariant::Double |
| 41 | + * |
| 42 | + * Allowed ogr prvider typeNames: |
| 43 | + * Integer |
| 44 | + * Real |
| 45 | + * String |
| 46 | + * |
| 47 | + * Constructor for QgsField: |
| 48 | + * QgsField::QgsField(QString name, |
| 49 | + * QVariant::Type type, |
| 50 | + * QString typeName, |
| 51 | + * int len, |
| 52 | + * int prec, |
| 53 | + * QString comment) |
| 54 | + */ |
34 | 55 | class TestQgsVectorFileWriter: public QObject
|
35 | 56 | {
|
36 | 57 | Q_OBJECT;
|
37 | 58 | private slots:
|
38 |
| - void createVectorFile() |
| 59 | + void initTestCase();// will be called before the first testfunction is executed. |
| 60 | + void cleanupTestCase(){};// will be called after the last testfunction was executed. |
| 61 | + void init(){};// will be called before each testfunction is executed. |
| 62 | + void cleanup(){};// will be called after every testfunction. |
| 63 | + |
| 64 | + /** This method tests writing a point to a shapefile */ |
| 65 | + void createPoint(); |
| 66 | + /** This method tests writing a polyline to a shapefile */ |
| 67 | + void createLine(); |
| 68 | + /** This method tests writing a polygon to a shapefile */ |
| 69 | + void createPolygon(); |
| 70 | + /** This method test writing multiple features to a shapefile */ |
| 71 | + void polygonGridTest(); |
| 72 | + /** As above but using a projected SRS*/ |
| 73 | + void projectedPlygonGridTest(); |
| 74 | + |
| 75 | + private: |
| 76 | + // a little util fn used by all tests |
| 77 | + bool cleanupFile(QString theFileBase); |
| 78 | + QString mEncoding; |
| 79 | + QgsVectorFileWriter::WriterError mError; |
| 80 | + QgsSpatialRefSys mSRS; |
| 81 | + QgsFieldMap mFields; |
| 82 | + QgsPoint mPoint1; |
| 83 | + QgsPoint mPoint2; |
| 84 | + QgsPoint mPoint3; |
| 85 | +}; |
| 86 | + |
| 87 | +void TestQgsVectorFileWriter::initTestCase() |
| 88 | +{ |
| 89 | + qDebug("\n\n **************\n" |
| 90 | + "Note: if you get a message like \n" |
| 91 | + "ERROR 1: /tmp/testpt.shp is not a directory.\n" |
| 92 | + "It is caused by the /tmp/testshp.* files already existing\n" |
| 93 | + "(the ERROR comes from OGR and is not very intuitive)\n" |
| 94 | + "******************\n"); |
| 95 | + // init QGIS's paths - true means that all path will be inited from prefix |
| 96 | + QString qgisPath = QCoreApplication::applicationDirPath (); |
| 97 | + QgsApplication::setPrefixPath(qgisPath, TRUE); |
| 98 | + //create some objects that will be used in all tests... |
| 99 | + |
| 100 | + std::cout << "Prefix PATH: " << QgsApplication::prefixPath().toLocal8Bit().data() << std::endl; |
| 101 | + std::cout << "Plugin PATH: " << QgsApplication::pluginPath().toLocal8Bit().data() << std::endl; |
| 102 | + std::cout << "PkgData PATH: " << QgsApplication::pkgDataPath().toLocal8Bit().data() << std::endl; |
| 103 | + std::cout << "User DB PATH: " << QgsApplication::qgisUserDbFilePath().toLocal8Bit().data() << std::endl; |
| 104 | + |
| 105 | + mEncoding = "UTF-8"; |
| 106 | + QgsField myField1("Field1",QVariant::String,"String",10,0,"Field 1 comment"); |
| 107 | + mFields.insert(0, myField1); |
| 108 | + mSRS = QgsSpatialRefSys(GEOWKT); |
| 109 | + mPoint1 = QgsPoint(10.0,10.0); |
| 110 | + mPoint2 = QgsPoint(15.0,10.0); |
| 111 | + mPoint3 = QgsPoint(15.0,12.0); |
| 112 | +} |
| 113 | + |
| 114 | + |
| 115 | +void TestQgsVectorFileWriter::createPoint() |
| 116 | +{ |
| 117 | + |
| 118 | + // |
| 119 | + // Remove old copies that may be lying around |
| 120 | + // |
| 121 | + QString myFileBase = "/tmp/testpt"; |
| 122 | + QVERIFY(cleanupFile(myFileBase)); |
| 123 | + QString myFileName = myFileBase + ".shp"; |
| 124 | + QgsVectorFileWriter myWriter (myFileName, |
| 125 | + mEncoding, |
| 126 | + mFields, |
| 127 | + QGis::WKBPoint, |
| 128 | + &mSRS); |
| 129 | + // |
| 130 | + // Create a feature |
| 131 | + // |
| 132 | + // |
| 133 | + // NOTE: dont delete this pointer again - |
| 134 | + // ownership is passed to the feature which will |
| 135 | + // delete it in its dtor! |
| 136 | + QgsGeometry * mypPointGeometry = QgsGeometry::fromPoint(mPoint1); |
| 137 | + QgsFeature myFeature; |
| 138 | + myFeature.setGeometry(mypPointGeometry); |
| 139 | + myFeature.addAttribute(0,"HelloWorld"); |
| 140 | + // |
| 141 | + // Write the feature to the filewriter |
| 142 | + // and check for errors |
| 143 | + // |
| 144 | + QVERIFY(myWriter.addFeature(myFeature)); |
| 145 | + mError = myWriter.hasError(); |
| 146 | + if(mError==QgsVectorFileWriter::ErrDriverNotFound) |
| 147 | + { |
| 148 | + std::cout << "Driver not found error" << std::endl; |
| 149 | + } |
| 150 | + else if (mError==QgsVectorFileWriter::ErrCreateDataSource) |
| 151 | + { |
| 152 | + std::cout << "Create data source error" << std::endl; |
| 153 | + } |
| 154 | + else if (mError==QgsVectorFileWriter::ErrCreateLayer) |
| 155 | + { |
| 156 | + std::cout << "Create layer error" << std::endl; |
| 157 | + } |
| 158 | + QVERIFY(mError==QgsVectorFileWriter::NoError); |
| 159 | +} |
| 160 | + |
| 161 | +void TestQgsVectorFileWriter::createLine() |
| 162 | +{ |
| 163 | + // |
| 164 | + // Remove old copies that may be lying around |
| 165 | + // |
| 166 | + QString myFileBase = "/tmp/testln"; |
| 167 | + QVERIFY(cleanupFile(myFileBase)); |
| 168 | + QString myFileName = myFileBase + ".shp"; |
| 169 | + QgsVectorFileWriter myWriter (myFileName, |
| 170 | + mEncoding, |
| 171 | + mFields, |
| 172 | + QGis::WKBLineString, |
| 173 | + &mSRS); |
| 174 | + // |
| 175 | + // Create a feature |
| 176 | + // |
| 177 | + QgsPolyline myPolyline; |
| 178 | + myPolyline << mPoint1 << mPoint2 << mPoint3; |
| 179 | + // |
| 180 | + // NOTE: dont delete this pointer again - |
| 181 | + // ownership is passed to the feature which will |
| 182 | + // delete it in its dtor! |
| 183 | + QgsGeometry * mypLineGeometry = QgsGeometry::fromPolyline(myPolyline); |
| 184 | + QgsFeature myFeature; |
| 185 | + myFeature.setTypeName("WKBLineString"); |
| 186 | + myFeature.setGeometry(mypLineGeometry); |
| 187 | + myFeature.addAttribute(0,"HelloWorld"); |
| 188 | + // |
| 189 | + // Write the feature to the filewriter |
| 190 | + // and check for errors |
| 191 | + // |
| 192 | + QVERIFY(myWriter.addFeature(myFeature)); |
| 193 | + mError = myWriter.hasError(); |
| 194 | + if(mError==QgsVectorFileWriter::ErrDriverNotFound) |
| 195 | + { |
| 196 | + std::cout << "Driver not found error" << std::endl; |
| 197 | + } |
| 198 | + else if (mError==QgsVectorFileWriter::ErrCreateDataSource) |
| 199 | + { |
| 200 | + std::cout << "Create data source error" << std::endl; |
| 201 | + } |
| 202 | + else if (mError==QgsVectorFileWriter::ErrCreateLayer) |
| 203 | + { |
| 204 | + std::cout << "Create layer error" << std::endl; |
| 205 | + } |
| 206 | + QVERIFY(mError==QgsVectorFileWriter::NoError); |
| 207 | +} |
| 208 | + |
| 209 | +void TestQgsVectorFileWriter::createPolygon() |
| 210 | +{ |
| 211 | + |
| 212 | + // |
| 213 | + // Remove old copies that may be lying around |
| 214 | + // |
| 215 | + QString myFileBase = "/tmp/testply"; |
| 216 | + QVERIFY(cleanupFile(myFileBase)); |
| 217 | + QString myFileName = myFileBase + ".shp"; |
| 218 | + QgsVectorFileWriter myWriter (myFileName, |
| 219 | + mEncoding, |
| 220 | + mFields, |
| 221 | + QGis::WKBPolygon, |
| 222 | + &mSRS); |
| 223 | + // |
| 224 | + // Create a polygon feature |
| 225 | + // |
| 226 | + QgsPolyline myPolyline; |
| 227 | + myPolyline << mPoint1 << mPoint2 << mPoint3 << mPoint1; |
| 228 | + QgsPolygon myPolygon; |
| 229 | + myPolygon << myPolyline; |
| 230 | + //polygon: first item of the list is outer ring, |
| 231 | + // inner rings (if any) start from second item |
| 232 | + // |
| 233 | + // NOTE: dont delete this pointer again - |
| 234 | + // ownership is passed to the feature which will |
| 235 | + // delete it in its dtor! |
| 236 | + QgsGeometry * mypPolygonGeometry = QgsGeometry::fromPolygon(myPolygon); |
| 237 | + QgsFeature myFeature; |
| 238 | + myFeature.setTypeName("WKBPolygon"); |
| 239 | + myFeature.setGeometry(mypPolygonGeometry); |
| 240 | + myFeature.addAttribute(0,"HelloWorld"); |
| 241 | + // |
| 242 | + // Write the feature to the filewriter |
| 243 | + // and check for errors |
| 244 | + // |
| 245 | + QVERIFY(myWriter.addFeature(myFeature)); |
| 246 | + mError = myWriter.hasError(); |
| 247 | + if(mError==QgsVectorFileWriter::ErrDriverNotFound) |
| 248 | + { |
| 249 | + std::cout << "Driver not found error" << std::endl; |
| 250 | + } |
| 251 | + else if (mError==QgsVectorFileWriter::ErrCreateDataSource) |
| 252 | + { |
| 253 | + std::cout << "Create data source error" << std::endl; |
| 254 | + } |
| 255 | + else if (mError==QgsVectorFileWriter::ErrCreateLayer) |
| 256 | + { |
| 257 | + std::cout << "Create layer error" << std::endl; |
| 258 | + } |
| 259 | + QVERIFY(mError==QgsVectorFileWriter::NoError); |
| 260 | +} |
| 261 | +void TestQgsVectorFileWriter::polygonGridTest() |
| 262 | +{ |
| 263 | + // |
| 264 | + // Remove old copies that may be lying around |
| 265 | + // |
| 266 | + QString myFileBase = "/tmp/testgrid"; |
| 267 | + QVERIFY(cleanupFile(myFileBase)); |
| 268 | + QString myFileName = myFileBase + ".shp"; |
| 269 | + QgsVectorFileWriter myWriter (myFileName, |
| 270 | + mEncoding, |
| 271 | + mFields, |
| 272 | + QGis::WKBPolygon, |
| 273 | + &mSRS); |
| 274 | + double myInterval=5; |
| 275 | + for (int i=-180;i<=180;i+=myInterval) |
| 276 | + { |
| 277 | + for (int j=-90;j<=90;j+=myInterval) |
39 | 278 | {
|
40 |
| - qDebug("\n\n **************\n" |
41 |
| - "Note: if you get a message like \n" |
42 |
| - "ERROR 1: /tmp/testshp.shp is not a directory.\n" |
43 |
| - "It is caused by the /tmp/testshp.* files already existing\n" |
44 |
| - "(the ERROR comes from OGR and is not very intuitive)\n" |
45 |
| - "******************\n"); |
46 |
| - // init QGIS's paths - true means that all path will be inited from prefix |
47 |
| - QString qgisPath = QCoreApplication::applicationDirPath (); |
48 |
| - QgsApplication::setPrefixPath(qgisPath, TRUE); |
49 |
| - QgsApplication::setPkgDataPath(QgsApplication::applicationDirPath() + |
50 |
| - "/../../../"); |
51 |
| - |
52 |
| - std::cout << "Prefix PATH: " << QgsApplication::prefixPath().toLocal8Bit().data() << std::endl; |
53 |
| - std::cout << "Plugin PATH: " << QgsApplication::pluginPath().toLocal8Bit().data() << std::endl; |
54 |
| - std::cout << "PkgData PATH: " << QgsApplication::pkgDataPath().toLocal8Bit().data() << std::endl; |
55 |
| - std::cout << "User DB PATH: " << QgsApplication::qgisUserDbFilePath().toLocal8Bit().data() << std::endl; |
56 |
| - |
57 |
| - QString myEncoding("UTF-8"); |
58 |
| - QString myFileName("/tmp/testshp.shp"); |
59 |
| - QgsVectorFileWriter::WriterError myError; |
60 |
| - |
61 |
| - // Possible QVariant::Type s |
62 |
| - // QVariant::String |
63 |
| - // QVariant::Int |
64 |
| - // QVariant::Double |
65 |
| - // |
66 |
| - // Allowed ogr prvider typeNames: |
67 |
| - // Integer |
68 |
| - // Real |
69 |
| - // String |
70 |
| - |
71 |
| - // Constructor for QgsField: |
72 |
| - // QgsField::QgsField(QString name, |
73 |
| - // QVariant::Type type, |
74 |
| - // QString typeName, |
75 |
| - // int len, |
76 |
| - // int prec, |
77 |
| - // QString comment) |
78 |
| - QgsField myField1("Field1",QVariant::String,"String",10,0,"Field 1 comment"); |
79 |
| - QgsFieldMap myFields; |
80 |
| - myFields.insert(0, myField1); |
81 |
| - QgsSpatialRefSys mySRS(GEOWKT); |
82 |
| - QgsVectorFileWriter myWriter (myFileName, |
83 |
| - myEncoding, |
84 |
| - myFields, |
85 |
| - QGis::WKBPoint, |
86 |
| - &mySRS); |
87 | 279 | //
|
88 |
| - // Create a feature |
| 280 | + // Create a polygon feature |
| 281 | + // |
| 282 | + QgsPolyline myPolyline; |
| 283 | + QgsPoint myPoint1 = QgsPoint(static_cast<float>(i),static_cast<float>(j)); |
| 284 | + QgsPoint myPoint2 = QgsPoint(static_cast<float>(i+myInterval),static_cast<float>(j)); |
| 285 | + QgsPoint myPoint3 = QgsPoint(static_cast<float>(i+myInterval),static_cast<float>(j+myInterval)); |
| 286 | + QgsPoint myPoint4 = QgsPoint(static_cast<float>(i),static_cast<float>(j+myInterval)); |
| 287 | + myPolyline << myPoint1 << myPoint2 << myPoint3 << myPoint4 << myPoint1; |
| 288 | + QgsPolygon myPolygon; |
| 289 | + myPolygon << myPolyline; |
| 290 | + //polygon: first item of the list is outer ring, |
| 291 | + // inner rings (if any) start from second item |
89 | 292 | //
|
90 |
| - QgsPoint myPoint(10.0,10.0); |
91 |
| - QgsGeometry * mypGeometry = QgsGeometry::fromPoint(myPoint); |
| 293 | + // NOTE: dont delete this pointer again - |
| 294 | + // ownership is passed to the feature which will |
| 295 | + // delete it in its dtor! |
| 296 | + QgsGeometry * mypPolygonGeometry = QgsGeometry::fromPolygon(myPolygon); |
92 | 297 | QgsFeature myFeature;
|
93 |
| - myFeature.setGeometry(mypGeometry); |
94 |
| - myFeature.addAttribute(1,"HelloWorld"); |
| 298 | + myFeature.setTypeName("WKBPolygon"); |
| 299 | + myFeature.setGeometry(mypPolygonGeometry); |
| 300 | + myFeature.addAttribute(0,"HelloWorld"); |
95 | 301 | //
|
96 |
| - // Write the featyre to the filewriter |
| 302 | + // Write the feature to the filewriter |
| 303 | + // and check for errors |
97 | 304 | //
|
98 | 305 | QVERIFY(myWriter.addFeature(myFeature));
|
99 |
| - myError = myWriter.hasError(); |
100 |
| - if(myError==QgsVectorFileWriter::ErrDriverNotFound) |
| 306 | + mError = myWriter.hasError(); |
| 307 | + if(mError==QgsVectorFileWriter::ErrDriverNotFound) |
101 | 308 | {
|
102 | 309 | std::cout << "Driver not found error" << std::endl;
|
103 | 310 | }
|
104 |
| - else if (myError==QgsVectorFileWriter::ErrCreateDataSource) |
| 311 | + else if (mError==QgsVectorFileWriter::ErrCreateDataSource) |
105 | 312 | {
|
106 | 313 | std::cout << "Create data source error" << std::endl;
|
107 | 314 | }
|
108 |
| - else if (myError==QgsVectorFileWriter::ErrCreateLayer) |
| 315 | + else if (mError==QgsVectorFileWriter::ErrCreateLayer) |
109 | 316 | {
|
110 | 317 | std::cout << "Create layer error" << std::endl;
|
111 | 318 | }
|
112 |
| - QVERIFY(myError==QgsVectorFileWriter::NoError); |
113 |
| - // other possible outcomes... |
| 319 | + QVERIFY(mError==QgsVectorFileWriter::NoError); |
114 | 320 | }
|
115 |
| -}; |
| 321 | + } |
| 322 | +} |
| 323 | + |
| 324 | +void TestQgsVectorFileWriter::projectedPlygonGridTest() |
| 325 | +{ |
| 326 | + // |
| 327 | + // Remove old copies that may be lying around |
| 328 | + // |
| 329 | + QString myFileBase = "/tmp/testprjgrid"; |
| 330 | + QVERIFY(cleanupFile(myFileBase)); |
| 331 | + QString myFileName = myFileBase + ".shp"; |
| 332 | + // |
| 333 | + // We are testing projected coordinate |
| 334 | + // system vector writing to lets use something fun... |
| 335 | + // Jamaica National Grid |
| 336 | + // QGIS SRSID: 1286 |
| 337 | + // PostGIS SRID: 24200 |
| 338 | + // +proj=lcc +lat_1=18 +lat_0=18 +lon_0=-77 +k_0=1 +x_0=250000 |
| 339 | + // +y_0=150000 +ellps=clrk66 +units=m +no_defs |
| 340 | + // |
| 341 | + mSRS = QgsSpatialRefSys(1286,QgsSpatialRefSys::QGIS_SRSID); |
| 342 | + QgsVectorFileWriter myWriter (myFileName, |
| 343 | + mEncoding, |
| 344 | + mFields, |
| 345 | + QGis::WKBPolygon, |
| 346 | + &mSRS); |
| 347 | + double myInterval=1000; //1km2 |
| 348 | + for (int i=0;i<=10000;i+=myInterval) //10km |
| 349 | + { |
| 350 | + for (int j=0;j<=10000;j+=myInterval)//10km |
| 351 | + { |
| 352 | + // |
| 353 | + // Create a polygon feature |
| 354 | + // |
| 355 | + QgsPolyline myPolyline; |
| 356 | + QgsPoint myPoint1 = QgsPoint(static_cast<float>(i),static_cast<float>(j)); |
| 357 | + QgsPoint myPoint2 = QgsPoint(static_cast<float>(i+myInterval),static_cast<float>(j)); |
| 358 | + QgsPoint myPoint3 = QgsPoint(static_cast<float>(i+myInterval),static_cast<float>(j+myInterval)); |
| 359 | + QgsPoint myPoint4 = QgsPoint(static_cast<float>(i),static_cast<float>(j+myInterval)); |
| 360 | + myPolyline << myPoint1 << myPoint2 << myPoint3 << myPoint4 << myPoint1; |
| 361 | + QgsPolygon myPolygon; |
| 362 | + myPolygon << myPolyline; |
| 363 | + //polygon: first item of the list is outer ring, |
| 364 | + // inner rings (if any) start from second item |
| 365 | + // |
| 366 | + // NOTE: dont delete this pointer again - |
| 367 | + // ownership is passed to the feature which will |
| 368 | + // delete it in its dtor! |
| 369 | + QgsGeometry * mypPolygonGeometry = QgsGeometry::fromPolygon(myPolygon); |
| 370 | + QgsFeature myFeature; |
| 371 | + myFeature.setTypeName("WKBPolygon"); |
| 372 | + myFeature.setGeometry(mypPolygonGeometry); |
| 373 | + myFeature.addAttribute(0,"HelloWorld"); |
| 374 | + // |
| 375 | + // Write the feature to the filewriter |
| 376 | + // and check for errors |
| 377 | + // |
| 378 | + QVERIFY(myWriter.addFeature(myFeature)); |
| 379 | + mError = myWriter.hasError(); |
| 380 | + if(mError==QgsVectorFileWriter::ErrDriverNotFound) |
| 381 | + { |
| 382 | + std::cout << "Driver not found error" << std::endl; |
| 383 | + } |
| 384 | + else if (mError==QgsVectorFileWriter::ErrCreateDataSource) |
| 385 | + { |
| 386 | + std::cout << "Create data source error" << std::endl; |
| 387 | + } |
| 388 | + else if (mError==QgsVectorFileWriter::ErrCreateLayer) |
| 389 | + { |
| 390 | + std::cout << "Create layer error" << std::endl; |
| 391 | + } |
| 392 | + QVERIFY(mError==QgsVectorFileWriter::NoError); |
| 393 | + } |
| 394 | + } |
| 395 | +} |
| 396 | +bool TestQgsVectorFileWriter::cleanupFile(QString theFileBase) |
| 397 | +{ |
| 398 | + // |
| 399 | + // Remove old copies that may be lying around |
| 400 | + // |
| 401 | + QFileInfo myInfo(theFileBase + ".shp"); |
| 402 | + if (myInfo.exists()) |
| 403 | + { |
| 404 | + if(!QFile::remove(theFileBase + ".shp")) |
| 405 | + { |
| 406 | + qDebug("Removing file failed : " + theFileBase.toLocal8Bit() + ".shp"); |
| 407 | + return false; |
| 408 | + } |
| 409 | + } |
| 410 | + myInfo.setFile(theFileBase + ".shx"); |
| 411 | + if (myInfo.exists()) |
| 412 | + { |
| 413 | + if(!QFile::remove(theFileBase + ".shx")); |
| 414 | + { |
| 415 | + qDebug("Removing file failed : " + theFileBase.toLocal8Bit() + ".shx"); |
| 416 | + return false; |
| 417 | + } |
| 418 | + } |
| 419 | + myInfo.setFile(theFileBase + ".dbf"); |
| 420 | + if (myInfo.exists()) |
| 421 | + { |
| 422 | + if(!QFile::remove(theFileBase + ".dbf")); |
| 423 | + { |
| 424 | + qDebug("Removing file failed : " + theFileBase.toLocal8Bit() + ".dbf"); |
| 425 | + return false; |
| 426 | + } |
| 427 | + } |
| 428 | + myInfo.setFile(theFileBase + ".prj"); |
| 429 | + if (myInfo.exists()) |
| 430 | + { |
| 431 | + if(!QFile::remove(theFileBase + ".prj")); |
| 432 | + { |
| 433 | + qDebug("Removing file failed : " + theFileBase.toLocal8Bit() + ".prj"); |
| 434 | + return false; |
| 435 | + } |
| 436 | + } |
| 437 | + return true; |
| 438 | +} |
116 | 439 |
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117 | 440 | QTEST_MAIN(TestQgsVectorFileWriter)
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118 | 441 | #include "moc_testqgsvectorfilewriter.cxx"
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