TEST: More complete tests, including geoTransform, Proj and Checksum …

…tests (from PR review)

autotest/gdrivers/derived.py

@@ -39,15 +39,16 @@
 # Test opening a L1C product
 
 
-def derived_test():
+def derived_test1():
     filename = "data/cfloat64.tif"
     gdal.ErrorReset()
     ds = gdal.Open(filename)
     if ds is None or gdal.GetLastErrorMsg() != '':
         gdaltest.post_reason('fail')
         return 'fail'
     got_dsds = ds.GetMetadata('DERIVED_SUBDATASETS')
-
+    expected_gt = ds.GetGeoTransform()
+    expected_prj = ds.GetProjection()
     expected_dsds = {'DERIVED_SUBDATASET_0_NAME' : 'DERIVED_SUBDATASET:AMPLITUDE:data/cfloat64.tif',
                      'DERIVED_SUBDATASET_0_DESC' : 'Amplitude of input bands from data/cfloat64.tif',
                      'DERIVED_SUBDATASET_1_NAME' : 'DERIVED_SUBDATASET:PHASE:data/cfloat64.tif',
@@ -69,19 +70,81 @@ def derived_test():
         pprint.pprint(got_dsds)
         return 'fail'
 
-
     for (key,val) in expected_dsds.iteritems():
         if key.endswith('_NAME'):
             ds = gdal.Open(val)
             if ds is None or gdal.GetLastErrorMsg() != '':
                 gdaltest.post_reason('fail')
                 return 'fail'
-
+            gt = ds.GetGeoTransform()
+            if gt != expected_gt:
+                gdaltest.post_reason('fail')
+                import pprint
+                pprint.pprint("Expected geotransform: "+str(expected_gt)+", got "+str(gt))
+                return 'fail'
+            prj = ds.GetProjection()
+            if prj != expected_prj:
+                gdaltest.post_reason('fail')
+                import pprint
+                pprint.pprint("Expected projection: "+str(expected_prj)+", got: "+str(gt))
+                return 'fail'   
     return 'success'
 
+def derived_test2():
+    filename = "data/cint_sar.tif"
+    gdal.ErrorReset()
+    ds = gdal.Open(filename)
+    if ds is None or gdal.GetLastErrorMsg() != '':
+        gdaltest.post_reason('fail')
+        return 'fail'
+    got_dsds = ds.GetMetadata('DERIVED_SUBDATASETS')
+    expected_dsds = {'DERIVED_SUBDATASET_0_NAME' : 'DERIVED_SUBDATASET:AMPLITUDE:data/cint_sar.tif',
+                     'DERIVED_SUBDATASET_0_DESC' : 'Amplitude of input bands from data/cint_sar.tif',
+                     'DERIVED_SUBDATASET_1_NAME' : 'DERIVED_SUBDATASET:PHASE:data/cint_sar.tif',
+                     'DERIVED_SUBDATASET_1_DESC' : 'Phase of input bands from data/cint_sar.tif',
+                     'DERIVED_SUBDATASET_2_NAME' : 'DERIVED_SUBDATASET:REAL:data/cint_sar.tif',
+                     'DERIVED_SUBDATASET_2_DESC' : 'Real part of input bands from data/cint_sar.tif',
+                     'DERIVED_SUBDATASET_3_NAME' : 'DERIVED_SUBDATASET:IMAG:data/cint_sar.tif',
+                     'DERIVED_SUBDATASET_3_DESC' : 'Imaginary part of input bands from data/cint_sar.tif',
+                     'DERIVED_SUBDATASET_4_NAME' : 'DERIVED_SUBDATASET:CONJ:data/cint_sar.tif',
+                     'DERIVED_SUBDATASET_4_DESC' : 'Conjugate of input bands from data/cint_sar.tif',
+                     'DERIVED_SUBDATASET_5_NAME' : 'DERIVED_SUBDATASET:INTENSITY:data/cint_sar.tif',
+                     'DERIVED_SUBDATASET_5_DESC' : 'Intensity (squared amplitude) of input bands from data/cint_sar.tif',
+                     'DERIVED_SUBDATASET_6_NAME' : 'DERIVED_SUBDATASET:LOGAMPLITUDE:data/cint_sar.tif',
+                     'DERIVED_SUBDATASET_6_DESC' : 'log10 of amplitude of input bands from data/cint_sar.tif'}
+
+    expected_cs = { 'DERIVED_SUBDATASET_0_NAME' : 345,
+                    'DERIVED_SUBDATASET_5_NAME' : 314,
+                    'DERIVED_SUBDATASET_3_NAME' : 142,
+                    'DERIVED_SUBDATASET_1_NAME' : 10,
+                    'DERIVED_SUBDATASET_6_NAME' : 99,
+                    'DERIVED_SUBDATASET_4_NAME' : 110,
+                    'DERIVED_SUBDATASET_2_NAME' : 159}
+
+    if got_dsds != expected_dsds:
+        gdaltest.post_reason('fail')
+        import pprint
+        pprint.pprint(got_dsds)
+        return 'fail'
+
+    for (key,val) in expected_dsds.iteritems():
+        if key.endswith('_NAME'):
+            ds = gdal.Open(val)
+            if ds is None or gdal.GetLastErrorMsg() != '':
+                gdaltest.post_reason('fail')
+                return 'fail'
+            cs = ds.GetRasterBand(1).Checksum()
+            if expected_cs[key] != cs:
+                 gdaltest.post_reason('fail')
+                 import pprint
+                 pprint.pprint("Expected checksum "+str(expected_cs[key])+", got "+str(cs))
+                 return 'fail'
+
+    return 'success'
 
 gdaltest_list = [
-    derived_test
+    derived_test1,
+    derived_test2
     ]
 
 if __name__ == '__main__':