Diagnose Stub Command Tests (#11180)

* a few tests to the operator diagnose stub command

* a few tests to the operator diagnose stub command

* a few tests to the operator diagnose stub command

* empty commit to fix circle ci permissions issue

* empty commit to fix circle ci permissions issue

command/operator_diagnose_test.go

@@ -0,0 +1,80 @@
+// +build !race
+
+package command
+
+import (
+	"strings"
+	"testing"
+
+	"github.com/mitchellh/cli"
+)
+
+func testOperatorDiagnoseCommand(tb testing.TB) (*cli.MockUi, *OperatorDiagnoseCommand) {
+	tb.Helper()
+
+	ui := cli.NewMockUi()
+	return ui, &OperatorDiagnoseCommand{
+		BaseCommand: &BaseCommand{
+			UI: ui,
+		},
+	}
+}
+
+func TestOperatorDiagnoseCommand_Run(t *testing.T) {
+	t.Parallel()
+
+	cases := []struct {
+		name         string
+		args         []string
+		outFragments []string
+		code         int
+	}{
+		{
+			"diagnose_ok",
+			[]string{
+				"-config", "./server/test-fixtures/config.hcl",
+			},
+			[]string{"Parse configuration\n\x1b[F\x1b[32m[  ok  ]\x1b[0m Parse configuration\n[      ] Access storage\n\x1b[F\x1b[32m[  ok  ]\x1b[0m Access storage\n"},
+			0,
+		},
+		{
+			"diagnose_invalid_storage",
+			[]string{
+				"-config", "./server/test-fixtures/nostore_config.hcl",
+			},
+			[]string{"Parse configuration\n\x1b[F\x1b[32m[  ok  ]\x1b[0m Parse configuration\n[      ] Access storage\n\x1b[F\x1b[31m[failed]\x1b[0m Access storage\nA storage backend must be specified\n"},
+			1,
+		},
+	}
+
+	t.Run("validations", func(t *testing.T) {
+		t.Parallel()
+
+		for _, tc := range cases {
+			tc := tc
+
+			t.Run(tc.name, func(t *testing.T) {
+				t.Parallel()
+
+				client, closer := testVaultServer(t)
+				defer closer()
+
+				ui, cmd := testOperatorDiagnoseCommand(t)
+				cmd.client = client
+
+				code := cmd.Run(tc.args)
+				if code != tc.code {
+					t.Errorf("%s: expected %d to be %d", tc.name, code, tc.code)
+				}
+
+				combined := ui.OutputWriter.String() + ui.ErrorWriter.String()
+
+				for _, outputFragment := range tc.outFragments {
+					if !strings.Contains(combined, outputFragment) {
+						t.Errorf("%s: expected %q to contain %q", tc.name, combined, outputFragment)
+					}
+				}
+			})
+		}
+	})
+}

command/server/test-fixtures/nostore_config.hcl

@@ -0,0 +1,17 @@
+disable_cache = true
+disable_mlock = true
+
+ui = true
+
+listener "tcp" {
+    address = "127.0.0.1:443"
+	allow_stuff = true
+}
+
+ha_backend "consul" {
+    bar = "baz"
+    advertise_addr = "snafu"
+    disable_clustering = "true"
+}
+
+// No backend stanza in config!