test: Format with black

Signed-off-by: Jonathan Woollett-Light <jcawl@amazon.co.uk>

integration_tests/test_coverage.py

@@ -51,15 +51,16 @@ def _read_test_config():
     assert "exclude_path" in coverage_config
     assert "crate_features" in coverage_config
 
-    assert ' ' not in coverage_config["crate_features"], \
-        "spaces are not allowed in crate_features value"
+    assert (
+        " " not in coverage_config["crate_features"]
+    ), "spaces are not allowed in crate_features value"
 
     return coverage_config
 
 
 def _write_coverage_config(coverage_config):
     """Updates the coverage config file as per `coverage_config`"""
-    with open(COVERAGE_CONFIG_PATH, 'w') as outfile:
+    with open(COVERAGE_CONFIG_PATH, "w") as outfile:
         json.dump(coverage_config, outfile)
 
 
@@ -78,48 +79,43 @@ def _get_current_coverage(coverage_config, no_cleanup, test_scope):
     shutil.rmtree(kcov_output_dir, ignore_errors=True)
     shutil.rmtree(kcov_build_dir, ignore_errors=True)
 
-    exclude_pattern = (
-        '${CARGO_HOME:-$HOME/.cargo/},'
-        'usr/lib/,'
-        'lib/'
-    )
+    exclude_pattern = "${CARGO_HOME:-$HOME/.cargo/}," "usr/lib/," "lib/"
     exclude_region = "'mod tests {'"
     additional_exclude_path = coverage_config["exclude_path"]
     if additional_exclude_path:
-        exclude_pattern += ',' + additional_exclude_path
+        exclude_pattern += "," + additional_exclude_path
 
-    additional_kcov_param = ''
+    additional_kcov_param = ""
 
     if test_scope == pytest.workspace:
-        additional_kcov_param += '--all '
+        additional_kcov_param += "--all "
 
     crate_features = coverage_config["crate_features"]
     if crate_features:
-        additional_kcov_param += '--features=' + crate_features
+        additional_kcov_param += "--features=" + crate_features
 
-    kcov_cmd = "CARGO_TARGET_DIR={} cargo kcov {} " \
-               "--output {} -- " \
-               "--exclude-region={} " \
-               "--exclude-pattern={} " \
-               "--verify".format(
-                   kcov_build_dir,
-                   additional_kcov_param,
-                   kcov_output_dir,
-                   exclude_region,
-                   exclude_pattern
-               )
+    kcov_cmd = (
+        "CARGO_TARGET_DIR={} cargo kcov {} "
+        "--output {} -- "
+        "--exclude-region={} "
+        "--exclude-pattern={} "
+        "--verify".format(
+            kcov_build_dir,
+            additional_kcov_param,
+            kcov_output_dir,
+            exclude_region,
+            exclude_pattern,
+        )
+    )
 
     # Pytest closes stdin by default, but some tests might need it to be open.
     # In the future, should the need arise, we can feed custom data to stdin.
-    subprocess.run(kcov_cmd, shell=True, check=True, input=b'')
+    subprocess.run(kcov_cmd, shell=True, check=True, input=b"")
 
     # Read the coverage reported by kcov.
-    coverage_file = os.path.join(kcov_output_dir, 'index.js')
+    coverage_file = os.path.join(kcov_output_dir, "index.js")
     with open(coverage_file) as cov_output:
-        coverage = float(re.findall(
-            r'"covered":"(\d+\.\d)"',
-            cov_output.read()
-        )[0])
+        coverage = float(re.findall(r'"covered":"(\d+\.\d)"', cov_output.read())[0])
 
     # Remove coverage related directories.
     # If user provided `--no-cleanup` flag, `kcov_output_dir`
@@ -140,14 +136,12 @@ def test_coverage(profile, no_cleanup, test_scope):
         if previous_coverage < current_coverage:
             if profile == pytest.profile_ci:
                 # In the CI Profile we expect the coverage to be manually updated.
-                assert False, \
-                    "Coverage is increased from {} to {}. " \
-                    "Please update the coverage in coverage_config_{}.json."\
-                    .format(
-                        previous_coverage,
-                        current_coverage,
-                        platform.machine()
+                assert False, (
+                    "Coverage is increased from {} to {}. "
+                    "Please update the coverage in coverage_config_{}.json.".format(
+                        previous_coverage, current_coverage, platform.machine()
                     )
+                )
             elif profile == pytest.profile_devel:
                 coverage_config["coverage_score"] = current_coverage
                 _write_coverage_config(coverage_config)
@@ -157,5 +151,7 @@ def test_coverage(profile, no_cleanup, test_scope):
                 # `pytest_addoption`.
                 assert False, "Invalid test profile."
         elif previous_coverage > current_coverage:
-            assert False, "Coverage drops by {:.2f}%. Please add unit tests for " \
-                          "the uncovered lines.".format(diff)
+            assert False, (
+                "Coverage drops by {:.2f}%. Please add unit tests for "
+                "the uncovered lines.".format(diff)
+            )