* Initial submit for tests general (0), Senders (2), Outputs (3), Rec…

…eivers (4) (#761)

Based on IS-11 Test Plan v0.6
Senders contains tests 2.0, 2.1 and 2.2
Receivers contains tests 4.1 and 4.2

Signed-off-by: ggeorgea <[email protected]>
Co-authored-by: Gareth Sylvester-Bradley <[email protected]>

nmostesting/IS04Utils.py

@@ -12,10 +12,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import re
+from copy import deepcopy
+from fractions import Fraction
 from . import TestHelper
-
 from .NMOSUtils import NMOSUtils
-from copy import deepcopy
 
 
 class IS04Utils(NMOSUtils):
@@ -71,6 +72,101 @@ def get_resources(self, resource, url=None):
         return toReturn
 
     @staticmethod
+    def comparable_parameter_constraint_value(value):
+        if isinstance(value, dict):
+            return Fraction(value["numerator"], value.get("denominator", 1))
+        return value
+
+    @staticmethod
+    def comparable_parameter_constraint(param_constraint):
+        result = deepcopy(param_constraint)
+        if "minimum" in result:
+            result["minimum"] = IS04Utils.comparable_parameter_constraint_value(
+                result["minimum"]
+            )
+        if "maximum" in result:
+            result["maximum"] = IS04Utils.comparable_parameter_constraint_value(
+                result["maximum"]
+            )
+        if "enum" in result:
+            for i, value in enumerate(result["enum"]):
+                result["enum"][i] = IS04Utils.comparable_parameter_constraint_value(
+                    value
+                )
+        return result
+
+    @staticmethod
+    def comparable_constraint_set(constraint_set):
+        result = {
+            k: IS04Utils.comparable_parameter_constraint(v)
+            if re.match("^urn:x-nmos:cap:(?!meta:)", k)
+            else v
+            for k, v in constraint_set.items()
+        }
+        # could also remove urn:x-nmos:cap:meta:label?
+        if "urn:x-nmos:cap:meta:preference" not in result:
+            result["urn:x-nmos:cap:meta:preference"] = 0
+        if "urn:x-nmos:cap:meta:enabled" not in result:
+            result["urn:x-nmos:cap:meta:enabled"] = True
+        return result
+
+    @staticmethod
+    def comparable_constraint_sets(constraint_sets):
+        return [IS04Utils.comparable_constraint_set(_) for _ in constraint_sets]
+
+    @staticmethod
+    def compare_constraint_sets(lhs, rhs):
+        """Check that two Constraint Sets arrays are closely equivalent"""
+        return TestHelper.compare_json(
+            IS04Utils.comparable_constraint_sets(lhs),
+            IS04Utils.comparable_constraint_sets(rhs),
+        )
+
+    @staticmethod
+    def make_sampling(flow_components):
+        samplers = {
+            # Red-Green-Blue-Alpha
+            "RGBA": {"R": (1, 1), "G": (1, 1), "B": (1, 1), "A": (1, 1)},
+            # Red-Green-Blue
+            "RGB": {"R": (1, 1), "G": (1, 1), "B": (1, 1)},
+            # Non-constant luminance YCbCr
+            "YCbCr-4:4:4": {"Y": (1, 1), "Cb": (1, 1), "Cr": (1, 1)},
+            "YCbCr-4:2:2": {"Y": (1, 1), "Cb": (2, 1), "Cr": (2, 1)},
+            "YCbCr-4:2:0": {"Y": (1, 1), "Cb": (2, 2), "Cr": (2, 2)},
+            "YCbCr-4:1:1": {"Y": (1, 1), "Cb": (4, 1), "Cr": (4, 1)},
+            # Constant luminance YCbCr
+            "CLYCbCr-4:4:4": {"Yc": (1, 1), "Cbc": (1, 1), "Crc": (1, 1)},
+            "CLYCbCr-4:2:2": {"Yc": (1, 1), "Cbc": (2, 1), "Crc": (2, 1)},
+            "CLYCbCr-4:2:0": {"Yc": (1, 1), "Cbc": (2, 2), "Crc": (2, 2)},
+            # Constant intensity ICtCp
+            "ICtCp-4:4:4": {"I": (1, 1), "Ct": (1, 1), "Cp": (1, 1)},
+            "ICtCp-4:2:2": {"I": (1, 1), "Ct": (2, 1), "Cp": (2, 1)},
+            "ICtCp-4:2:0": {"I": (1, 1), "Ct": (2, 2), "Cp": (2, 2)},
+            # XYZ
+            "XYZ": {"X": (1, 1), "Y": (1, 1), "Z": (1, 1)},
+            # Key signal represented as a single component
+            "KEY": {"Key": (1, 1)},
+            # Sampling signaled by the payload
+            "UNSPECIFIED": {},
+        }
+
+        max_w, max_h = 0, 0
+        for component in flow_components:
+            w, h = component["width"], component["height"]
+            if w > max_w:
+                max_w = w
+            if h > max_h:
+                max_h = h
+
+        components_sampler = {}
+        for component in flow_components:
+            w, h = component["width"], component["height"]
+            components_sampler[component["name"]] = (max_w / w, max_h / h)
+
+        for sampling, sampler in samplers.items():
+            if sampler == components_sampler:
+                return sampling
+
     def downgrade_resource(resource_type, resource_data, requested_version):
         """Downgrades given resource data to requested version"""
         version_major, version_minor = [int(x) for x in requested_version[1:].split(".")]

nmostesting/NMOSTesting.py

@@ -83,7 +83,6 @@
 from .suites import IS0902Test
 # from .suites import IS1001Test
 from .suites import IS1101Test
-from .suites import IS1102Test
 from .suites import BCP00301Test
 from .suites import BCP0050101Test
 from .suites import BCP0060101Test
@@ -342,19 +341,14 @@
         "specs": [{
             "spec_key": "is-11",
             "api_key": "streamcompatibility"
-        }],
-        "class": IS1101Test.IS1101Test
-    },
-    "IS-11-02": {
-        "name": "IS-11 Interaction with IS-04",
-        "specs": [{
+        }, {
             "spec_key": "is-04",
             "api_key": "node"
         }, {
-            "spec_key": "is-11",
-            "api_key": "streamcompatibility"
+            "spec_key": "is-05",
+            "api_key": "connection"
         }],
-        "class": IS1102Test.IS1102Test
+        "class": IS1101Test.IS1101Test
     },
     "BCP-003-01": {
         "name": "BCP-003-01 Secure Communication",