Fix old unit tests

These are going to need to be revisited.

cmd/root_test.go

@@ -1,15 +1,33 @@
 package cmd_test
 
 import (
+	"bytes"
+	"os"
 	"testing"
 
+	"github.com/ian-howell/airshipctl/cmd"
+	"github.com/ian-howell/airshipctl/pkg/environment"
 	"github.com/ian-howell/airshipctl/internal/test"
 )
 
 func TestRoot(t *testing.T) {
-	tests := []test.CmdTest{{
-		Name:    "default",
-		Command: "",
-	}}
-	test.RunCmdTests(t, tests)
+	tests := []test.CmdTest{
+		{
+			Name:    "default",
+			CmdLine: "",
+		},
+	}
+	for _, tt := range tests {
+		actual := &bytes.Buffer{}
+		rootCmd, err := cmd.NewRootCmd(actual)
+		if err != nil {
+			t.Fatalf("Could not create root command: %s", err.Error())
+		}
+		settings := &environment.AirshipCTLSettings{}
+		settings.InitFlags(rootCmd)
+		rootCmd.PersistentFlags().Parse(os.Args[1:])
+
+		settings.Init()
+		test.RunTest(t, tt, rootCmd, actual)
+	}
 }

cmd/testdata/TestRootGoldenOutput/default.golden

@@ -6,12 +6,9 @@ Usage:
 Available Commands:
   help        Help about any command
   version     Show the version number of airshipctl
-  workflow    Access to argo workflows
 
 Flags:
-      --debug               enable verbose output
-  -h, --help                help for airshipctl
-      --kubeconfig string   path to kubeconfig
-      --namespace string    kubernetes namespace to use for the context of this command (default "default")
+      --debug   enable verbose output
+  -h, --help    help for airshipctl
 
 Use "airshipctl [command] --help" for more information about a command.

cmd/testdata/TestVersionGoldenOutput/version.golden

@@ -1 +1 @@
-airshipctl: v0.1.0
+airshipctl:   v0.1.0

cmd/version_test.go

@@ -1,15 +1,27 @@
 package cmd_test
 
 import (
+	"bytes"
 	"testing"
 
+	"github.com/ian-howell/airshipctl/cmd"
 	"github.com/ian-howell/airshipctl/internal/test"
 )
 
 func TestVersion(t *testing.T) {
-	tests := []test.CmdTest{{
-		Name:    "version",
-		Command: "version",
-	}}
-	test.RunCmdTests(t, tests)
+	tests := []test.CmdTest{
+		{
+			Name:    "version",
+			CmdLine: "version",
+		},
+	}
+	for _, tt := range tests {
+		actual := &bytes.Buffer{}
+		rootCmd, err := cmd.NewRootCmd(actual)
+		if err != nil {
+			t.Fatalf("Could not create root command: %s", err.Error())
+		}
+		rootCmd.AddCommand(cmd.NewVersionCommand(actual))
+		test.RunTest(t, tt, rootCmd, actual)
+	}
 }

internal/test/utilities.go

@@ -6,7 +6,10 @@ import (
 	"io/ioutil"
 	"os"
 	"path/filepath"
+	"strings"
 	"testing"
+
+	"github.com/spf13/cobra"
 )
 
 // UpdateGolden writes out the golden files with the latest values, rather than failing the test.
@@ -24,6 +27,19 @@ type CmdTest struct {
 	CmdLine string
 }
 
+func RunTest(t *testing.T, test CmdTest, cmd *cobra.Command, actual *bytes.Buffer) {
+	args := strings.Fields(test.CmdLine)
+	cmd.SetArgs(args)
+	if err := cmd.Execute(); err != nil {
+		t.Fatalf("Unexpected error: %s", err.Error())
+	}
+	if *shouldUpdateGolden {
+		updateGolden(t, test, actual.Bytes())
+	} else {
+		assertEqualGolden(t, test, actual.Bytes())
+	}
+}
+
 func updateGolden(t *testing.T, test CmdTest, actual []byte) {
 	goldenDir := filepath.Join(testdataDir, t.Name()+goldenDirSuffix)
 	if err := os.MkdirAll(goldenDir, 0775); err != nil {