SERVER-54622 Retrieve back-branch fixture files to assemble multiversion

remove task_path_suffix from evergreen_gen_multiversion_tasks.py

replication works

fix fixture API adherence test

generate mongos port on startup

fix sharding and reformat

2 files changed, 27 insertions, 1 deletions

diff --git a/buildscripts/tests/resmokelib/testing/fixtures/test_api_adherence.py b/buildscripts/tests/resmokelib/testing/fixtures/test_api_adherence.py
index 0ea3ca2acb3..7f0e1110a32 100644
--- a/buildscripts/tests/resmokelib/testing/fixtures/test_api_adherence.py
+++ b/buildscripts/tests/resmokelib/testing/fixtures/test_api_adherence.py
@@ -14,7 +14,9 @@ ALLOWED_IMPORTS = [
     "buildscripts.resmokelib.utils.registry",
 ]
 FIXTURE_PATH = os.path.normpath("buildscripts/resmokelib/testing/fixtures")
-IGNORED_FILES = ["__init__.py", "fixturelib.py"]
+
+# These files are not part of the fixure API.
+IGNORED_FILES = ["__init__.py", "fixturelib.py", "_builder.py"]
 
 
 class AdherenceChecker(ast.NodeVisitor):
diff --git a/buildscripts/tests/resmokelib/testing/fixtures/test_builder.py b/buildscripts/tests/resmokelib/testing/fixtures/test_builder.py
new file mode 100644
index 00000000000..9717086a06f
--- /dev/null
+++ b/buildscripts/tests/resmokelib/testing/fixtures/test_builder.py
@@ -0,0 +1,24 @@
+"""Unit tests for the resmokelib.testing.fixtures.multiversion module."""
+
+import unittest
+import filecmp
+import os
+
+from buildscripts.resmokelib.testing.fixtures import _builder
+
+TEST_COMMIT = "9fbf58e9f1bee720d270cfa9621f581a0212e5ff"
+
+
+class TestFixtureBuilder(unittest.TestCase):
+    """Class that test retrieve_fixtures methods."""
+
+    def test_retrieve_fixtures(self):
+        """function to test retrieve_fixtures"""
+        dirpath = os.path.join("build", "multiversionfixture")
+        expected_standalone = os.path.join("buildscripts", "tests", "resmokelib", "testing",
+                                           "fixtures", "retrieved_fixture.txt")
+        _builder.retrieve_fixtures(dirpath, TEST_COMMIT)
+        retrieved_standalone = os.path.join(dirpath, "standalone.py")
+        self.assertTrue(
+            filecmp.cmpfiles(retrieved_standalone, expected_standalone,
+                             ["standalone.py", "retrieved_fixture.txt"], shallow=False))