From c1365de5f6913116f940c175354525bd1bbc6494 Mon Sep 17 00:00:00 2001
From: Matthew Cary <mattcary@google.com>
Date: Wed, 10 Feb 2021 10:08:53 -0800
Subject: [PATCH] Add hack/verify-coverage.sh

---
 hack/verify-coverage.sh | 47 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100755 hack/verify-coverage.sh

diff --git a/hack/verify-coverage.sh b/hack/verify-coverage.sh
new file mode 100755
index 000000000..7fb630559
--- /dev/null
+++ b/hack/verify-coverage.sh
@@ -0,0 +1,47 @@
+#!/usr/bin/env bash
+# Copyright 2021 The Kubernetes Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+PKG_ROOT=$(realpath $(dirname "${BASH_SOURCE[0]}")/..)
+
+testdirs() {
+  find -L "${PKG_ROOT}" -not \( \
+      \( \
+        -path "${PKG_ROOT}"/vendor/\* \
+        -o -path "${PKG_ROOT}"/test/\* \) \
+      -prune \) \
+    -name \*_test.go -print0 | xargs -0n1 dirname | \
+    sed "s|^${PKG_ROOT}/|./|" | LC_ALL=C sort -u
+}
+
+coverprofile=${1-"${PKG_ROOT}"/coverage_gcp-compute-persistent-disk-csi-driver.out}
+if [[ -z $coverprofile ]]; then
+  echo "usage: ./hack/verify-coverage.sh <coverprofile>"
+  exit 1
+fi
+
+if [[ x"${coverprofile:(-4)}" != x.out ]] ; then
+  echo "coverprofile ${coverprofile} must end in .out"
+  exit 1
+fi
+
+# Remove any old cover profile so that the run is clean.
+rm -f "${coverprofile}"
+
+echo "Verifying coverage"
+go test -coverprofile="${coverprofile}" $(testdirs)