Ensure module versions match the downloaded API's minor (#3349)

provider/pkg/version/version_test.go

@@ -1,11 +1,38 @@
 package version
 
 import (
+	"fmt"
+	"os"
+	"regexp"
 	"testing"
 
+	"github.com/blang/semver"
 	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
 )
 
 func TestUserAgent(t *testing.T) {
 	assert.Regexp(t, "^pulumi-kubernetes/dev (.*/.*) client-go/unknown$", UserAgent)
 }
+
+func TestKubernetesMinorVersion(t *testing.T) {
+
+	re, err := regexp.Compile(`KUBE_VERSION\s+\?=\s+v(?P<version>.*)`)
+	require.NoError(t, err)
+
+	mf, err := os.ReadFile("../../../Makefile")
+	require.NoError(t, err)
+
+	matches := re.FindStringSubmatch(string(mf))
+	require.Len(t, matches, 2)
+
+	version, err := semver.ParseTolerant(matches[1])
+	require.NoError(t, err)
+
+	mod, err := os.ReadFile("../../go.mod")
+	require.NoError(t, err)
+
+	want := fmt.Sprintf("k8s.io/api v0.%d", version.Minor)
+
+	assert.Contains(t, string(mod), want, "KUBE_VERSION=v%s doesn't match go.mod's minor version", version)
+}