Add seqgen test cases

src/fprime_gds/common/tools/seqgen.py

@@ -153,7 +153,7 @@ def main():
         action="store",
         type=str,
         required=True,
-        help="Dictionary file name",
+        help="JSON Dictionary file name",
     )
     parser.add_argument(
         "-t",

test/fprime_gds/common/tools/input/simple_bad_sequence.seq

@@ -0,0 +1,9 @@
+;--------------------------------------------------------------------
+; Simple sequence file
+; Note: that anything after a ';' is a comment
+;--------------------------------------------------------------------
+
+
+R00:00:00 cmdDisp.CMD_NO_OP
+R00:00:00 cmdDisp.CMD_NO_OP_STRING "Awesome string!" ; And a nice comment too
+R00:00:00 cmdDisp.FRNDLY_GRTNG "Hello!"

test/fprime_gds/common/tools/input/simple_sequence.seq

@@ -0,0 +1,8 @@
+;--------------------------------------------------------------------
+; Simple sequence file
+; Note: that anything after a ';' is a comment
+;--------------------------------------------------------------------
+
+
+R00:00:00 cmdDisp.CMD_NO_OP
+R00:00:00 cmdDisp.CMD_NO_OP_STRING "Awesome string!" ; And a nice comment too

test/fprime_gds/common/tools/resources/simple_dictionary.json

@@ -0,0 +1,40 @@
+{
+    "metadata" : {
+        "deploymentName" : "test",
+        "projectVersion" : "0",
+        "frameworkVersion" : "0",
+        "libraryVersions" : [
+        ],
+        "dictionarySpecVersion" : "1.0.0"
+    },
+    "commands" : [
+        {
+            "name" : "cmdDisp.CMD_NO_OP_STRING",
+            "commandKind" : "async",
+            "opcode" : 4097,
+            "formalParams" : [
+                {
+                    "name" : "arg1",
+                    "type" : {
+                        "name" : "string",
+                        "kind" : "string",
+                        "size" : 40
+                    },
+                    "ref" : false,
+                    "annotation" : "The String command argument"
+                }
+            ],
+            "queueFullBehavior" : "assert",
+            "annotation" : "No-op string command"
+        },    
+        {
+            "name" : "cmdDisp.CMD_NO_OP",
+            "commandKind" : "async",
+            "opcode" : 4096,
+            "formalParams" : [
+            ],
+            "queueFullBehavior" : "assert",
+            "annotation" : "No-op command"
+        }
+    ]
+}

test/fprime_gds/common/tools/resources/simple_dictionary.xml

@@ -0,0 +1,12 @@
+<dictionary topology="test" framework_version="0" project_version="0">
+    <commands>
+        <command component="cmdDisp" mnemonic="CMD_NO_OP" opcode="0x1000" description="No-op command">
+            <args/>
+        </command>
+        <command component="cmdDisp" mnemonic="CMD_NO_OP_STRING" opcode="0x1001" description="No-op string command">
+            <args>
+                <arg name="arg1" description="&#10;          The String command argument&#10;          " len="40" type="string"/>
+            </args>
+        </command>
+    </commands>
+</dictionary>

test/fprime_gds/common/tools/seqgen_unit_test.py

@@ -1,7 +1,42 @@
+import filecmp
+from pathlib import Path
+import tempfile
 import unittest
 
+import fprime_gds.common.tools.seqgen as seqgen
 
 class APITestCases(unittest.TestCase):
     def test_nominal_sequence(self):
-
-        pass
+        self.assertEqual(self.diff_input_sequence(
+            "./input/simple_sequence.seq",
+            "./expected/simple_sequence_expected.bin",
+            "./resources/simple_dictionary.json"
+        ), True)
+
+    # This test is expected to fail due to unmatched command in
+    # simple_bad_sequence.seq and seqgen should produce a SeqGenException. 
+    # Passing these executions is a test failure.
+    @unittest.expectedFailure 
+    def test_fail_unmatched_command_sequence(self):
+        self.diff_input_sequence(
+            "./input/simple_bad_sequence.seq",
+            "./expected/simple_sequence_expected.bin",
+            "./resources/simple_dictionary.json"
+        )
+
+    def diff_input_sequence(self, input_sequence, expected_output, dictionary):
+        temp_dir = tempfile.TemporaryDirectory()
+        output_bin = Path(f"{temp_dir.name}/out_binary")
+        seqgen.generateSequence(
+            input_sequence,
+            output_bin,
+            dictionary,
+            0xffff
+        )
+        is_equal = filecmp.cmp(output_bin, expected_output)
+        temp_dir.cleanup()
+        return is_equal
+
+
+if __name__ == "__main__":
+    unittest.main()