snapshot of https://github.com/grpc/grpc-go.git (master, 2026-09-15; blobs > 131072B omitted)

credentials/tls/certprovider/pemfile/builder_test.go

@@ -0,0 +1,162 @@
+/*
+ *
+ * Copyright 2020 gRPC 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.
+ *
+ */
+
+package pemfile
+
+import (
+	"encoding/json"
+	"testing"
+
+	"google.golang.org/grpc/internal/envconfig"
+	"google.golang.org/grpc/internal/testutils"
+)
+
+func TestParseConfig(t *testing.T) {
+	tests := []struct {
+		desc          string
+		input         any
+		wantOutput    string
+		wantErr       bool
+		enabledSpiffe bool
+	}{
+		{
+			desc:    "non JSON input",
+			input:   new(int),
+			wantErr: true,
+		},
+		{
+			desc:    "invalid JSON",
+			input:   json.RawMessage(`bad bad json`),
+			wantErr: true,
+		},
+		{
+			desc:    "JSON input does not match expected",
+			input:   json.RawMessage(`["foo": "bar"]`),
+			wantErr: true,
+		},
+		{
+			desc:    "no credential files",
+			input:   json.RawMessage(`{}`),
+			wantErr: true,
+		},
+		{
+			desc: "only cert file",
+			input: json.RawMessage(`
+			{
+				"certificate_file": "/a/b/cert.pem"
+			}`),
+			wantErr: true,
+		},
+		{
+			desc: "only key file",
+			input: json.RawMessage(`
+			{
+				"private_key_file": "/a/b/key.pem"
+			}`),
+			wantErr: true,
+		},
+		{
+			desc: "cert and key in different directories",
+			input: json.RawMessage(`
+			{
+				"certificate_file": "/b/a/cert.pem",
+				"private_key_file": "/a/b/key.pem"
+			}`),
+			wantErr: true,
+		},
+		{
+			desc: "bad refresh duration",
+			input: json.RawMessage(`
+			{
+				"certificate_file":   "/a/b/cert.pem",
+				"private_key_file":    "/a/b/key.pem",
+				"ca_certificate_file": "/a/b/ca.pem",
+				"refresh_interval":   "duration"
+			}`),
+			wantErr: true,
+		},
+		{
+			desc: "good config with default refresh interval",
+			input: json.RawMessage(`
+			{
+				"certificate_file":   "/a/b/cert.pem",
+				"private_key_file":    "/a/b/key.pem",
+				"ca_certificate_file": "/a/b/ca.pem"
+			}`),
+			wantOutput: "file_watcher:/a/b/cert.pem:/a/b/key.pem:/a/b/ca.pem::10m0s",
+		},
+		{
+			desc: "good config",
+			input: json.RawMessage(`
+			{
+				"certificate_file":   "/a/b/cert.pem",
+				"private_key_file":    "/a/b/key.pem",
+				"ca_certificate_file": "/a/b/ca.pem",
+				"refresh_interval":   "200s"
+			}`),
+			wantOutput: "file_watcher:/a/b/cert.pem:/a/b/key.pem:/a/b/ca.pem::3m20s",
+		},
+		{
+			desc: "good config with spiffe disabled",
+			input: json.RawMessage(`
+			{
+				"certificate_file":   "/a/b/cert.pem",
+				"private_key_file":    "/a/b/key.pem",
+				"ca_certificate_file": "/a/b/ca.pem",
+				"spiffe_trust_bundle_map_file": "/a/b/spiffe_bundle.json",
+				"refresh_interval":   "200s"
+			}`),
+			wantOutput: "file_watcher:/a/b/cert.pem:/a/b/key.pem:/a/b/ca.pem::3m20s",
+		},
+		{
+			desc: "good config with spiffe enabled",
+			input: json.RawMessage(`
+			{
+				"certificate_file":   "/a/b/cert.pem",
+				"private_key_file":    "/a/b/key.pem",
+				"ca_certificate_file": "/a/b/ca.pem",
+				"spiffe_trust_bundle_map_file": "/a/b/spiffe_bundle.json",
+				"refresh_interval":   "200s"
+			}`),
+			wantOutput:    "file_watcher:/a/b/cert.pem:/a/b/key.pem:/a/b/ca.pem:/a/b/spiffe_bundle.json:3m20s",
+			enabledSpiffe: true,
+		},
+	}
+
+	for _, test := range tests {
+		t.Run(test.desc, func(t *testing.T) {
+			if test.enabledSpiffe {
+				testutils.SetEnvConfig(t, &envconfig.XDSSPIFFEEnabled, true)
+			}
+			builder := &pluginBuilder{}
+
+			bc, err := builder.ParseConfig(test.input)
+			if (err != nil) != test.wantErr {
+				t.Fatalf("ParseConfig(%+v) failed: %v", test.input, err)
+			}
+			if test.wantErr {
+				return
+			}
+
+			gotConfig := bc.String()
+			if gotConfig != test.wantOutput {
+				t.Fatalf("ParseConfig(%v) = %s, want %s", test.input, gotConfig, test.wantOutput)
+			}
+		})
+	}
+}