Extended filenames as dict

Closes #102 (closed)

tests/test_core.py

@@ -111,8 +111,8 @@ def test_write():
 
 
 def test_ext_fname():
-    def _check(expected: str):
-        fn = INPUT.app.GetParameterString("out")
+    def _check(expected: str, key: str = "out", app = INPUT.app):
+        fn = app.GetParameterString(key)
         assert "?&" in fn
         assert fn.split("?&", 1)[1] == expected
 
@@ -154,6 +154,25 @@ def test_ext_fname():
 
     INPUT["out"].filepath.unlink()
 
+    mss = pyotb.MeanShiftSmoothing({
+        "in": FILEPATH
+    })
+    mss.write(
+        {
+            "fout": "/tmp/test_ext_fn_fout.tif?&nodata=1",
+            "foutpos": "/tmp/test_ext_fn_foutpos.tif?&nodata=2"
+        },
+        ext_fname={
+            "nodata": 0,
+            "gdal:co:COMPRESS": "DEFLATE"
+        }
+    )
+    _check("nodata=1&gdal:co:COMPRESS=DEFLATE", key="fout", app=mss.app)
+    _check("nodata=2&gdal:co:COMPRESS=DEFLATE", key="foutpos", app=mss.app)
+    mss["fout"].filepath.unlink()
+    mss["foutpos"].filepath.unlink()
+
+
 
 def test_frozen_app_write():
     app = pyotb.BandMath(INPUT, exp="im1b1", frozen=True)