Increase test coverage

* Few more minor changes to increase test coverage

Change-Id: Id34a33732d3201637027cb3eb512a245acbd77b5

cmd/config/set_cluster_test.go

@@ -46,6 +46,32 @@ const (
 	testCluster = "my_new-cluster"
 )
 
+func TestConfigSetCluster(t *testing.T) {
+	cmdTests := []*testutil.CmdTest{
+		{
+			Name:    "config-cmd-set-cluster-with-help",
+			CmdLine: "--help",
+			Cmd:     cmd.NewSetClusterCommand(nil),
+		},
+		{
+			Name:    "config-cmd-set-cluster-with-no-flags",
+			CmdLine: "",
+			Cmd:     cmd.NewSetClusterCommand(nil),
+			Error:   fmt.Errorf("accepts %d arg(s), received %d", 1, 0),
+		},
+		{
+			Name:    "config-cmd-set-cluster-too-many-args",
+			CmdLine: "arg1 arg2",
+			Cmd:     cmd.NewSetClusterCommand(nil),
+			Error:   fmt.Errorf("accepts at most %d arg(s), received %d", 1, 2),
+		},
+	}
+
+	for _, tt := range cmdTests {
+		testutil.RunTest(t, tt)
+	}
+}
+
 func TestSetClusterWithCAFile(t *testing.T) {
 	given, cleanupGiven := testutil.InitConfig(t)
 	defer cleanupGiven(t)

cmd/config/testdata/TestConfigSetClusterGoldenOutput/config-cmd-set-cluster-too-many-args.golden

@@ -0,0 +1,37 @@
+Error: accepts 1 arg(s), received 2
+Usage:
+  set-cluster NAME [flags]
+
+Examples:
+
+# Set the server field on the ephemeral exampleCluster
+airshipctl config set-cluster exampleCluster \
+  --cluster-type=ephemeral \
+  --server=https://1.2.3.4
+
+# Embed certificate authority data for the target exampleCluster
+airshipctl config set-cluster exampleCluster \
+  --cluster-type=target \
+  --client-certificate-authority=$HOME/.airship/ca/kubernetes.ca.crt \
+  --embed-certs
+
+# Disable certificate checking for the target exampleCluster
+airshipctl config set-cluster exampleCluster
+  --cluster-type=target \
+  --insecure-skip-tls-verify
+
+# Configure client certificate for the target exampleCluster
+airshipctl config set-cluster exampleCluster \
+  --cluster-type=target \
+  --embed-certs \
+  --client-certificate=$HOME/.airship/cert_file
+
+
+Flags:
+      --certificate-authority string   path to a certificate authority
+      --cluster-type string            the type of the cluster to add or modify
+      --embed-certs                    if set, embed the client certificate/key into the cluster
+  -h, --help                           help for set-cluster
+      --insecure-skip-tls-verify       if set, disable certificate checking (default true)
+      --server string                  server to use for the cluster
+

cmd/config/testdata/TestConfigSetClusterGoldenOutput/config-cmd-set-cluster-with-help.golden

@@ -0,0 +1,40 @@
+Create or modify a cluster in the airshipctl config files.
+
+Since a cluster can be either "ephemeral" or "target", you must specify
+cluster-type when managing clusters.
+
+Usage:
+  set-cluster NAME [flags]
+
+Examples:
+
+# Set the server field on the ephemeral exampleCluster
+airshipctl config set-cluster exampleCluster \
+  --cluster-type=ephemeral \
+  --server=https://1.2.3.4
+
+# Embed certificate authority data for the target exampleCluster
+airshipctl config set-cluster exampleCluster \
+  --cluster-type=target \
+  --client-certificate-authority=$HOME/.airship/ca/kubernetes.ca.crt \
+  --embed-certs
+
+# Disable certificate checking for the target exampleCluster
+airshipctl config set-cluster exampleCluster
+  --cluster-type=target \
+  --insecure-skip-tls-verify
+
+# Configure client certificate for the target exampleCluster
+airshipctl config set-cluster exampleCluster \
+  --cluster-type=target \
+  --embed-certs \
+  --client-certificate=$HOME/.airship/cert_file
+
+
+Flags:
+      --certificate-authority string   path to a certificate authority
+      --cluster-type string            the type of the cluster to add or modify
+      --embed-certs                    if set, embed the client certificate/key into the cluster
+  -h, --help                           help for set-cluster
+      --insecure-skip-tls-verify       if set, disable certificate checking (default true)
+      --server string                  server to use for the cluster

cmd/config/testdata/TestConfigSetClusterGoldenOutput/config-cmd-set-cluster-with-no-flags.golden

@@ -0,0 +1,37 @@
+Error: accepts 1 arg(s), received 0
+Usage:
+  set-cluster NAME [flags]
+
+Examples:
+
+# Set the server field on the ephemeral exampleCluster
+airshipctl config set-cluster exampleCluster \
+  --cluster-type=ephemeral \
+  --server=https://1.2.3.4
+
+# Embed certificate authority data for the target exampleCluster
+airshipctl config set-cluster exampleCluster \
+  --cluster-type=target \
+  --client-certificate-authority=$HOME/.airship/ca/kubernetes.ca.crt \
+  --embed-certs
+
+# Disable certificate checking for the target exampleCluster
+airshipctl config set-cluster exampleCluster
+  --cluster-type=target \
+  --insecure-skip-tls-verify
+
+# Configure client certificate for the target exampleCluster
+airshipctl config set-cluster exampleCluster \
+  --cluster-type=target \
+  --embed-certs \
+  --client-certificate=$HOME/.airship/cert_file
+
+
+Flags:
+      --certificate-authority string   path to a certificate authority
+      --cluster-type string            the type of the cluster to add or modify
+      --embed-certs                    if set, embed the client certificate/key into the cluster
+  -h, --help                           help for set-cluster
+      --insecure-skip-tls-verify       if set, disable certificate checking (default true)
+      --server string                  server to use for the cluster
+

pkg/util/configreader_test.go

@@ -18,25 +18,30 @@ import (
 	"testing"
 
 	"github.com/stretchr/testify/assert"
-	"github.com/stretchr/testify/require"
 
 	"opendev.org/airship/airshipctl/pkg/util"
 )
 
 func TestReadYAMLFile(t *testing.T) {
 	assert := assert.New(t)
-	require := require.New(t)
 
 	var actual map[string]interface{}
-	err := util.ReadYAMLFile("testdata/test.yaml", &actual)
-	require.NoError(err, "Error while reading YAML")
 
-	actualString := actual["testString"]
-	expectedString := "test"
-	assert.Equal(expectedString, actualString)
-
-	// test using an incorrect yaml
-	err = util.ReadYAMLFile("testdata/incorrect.yaml", &actual)
-	expectedString = "error converting YAML to JSON"
-	require.Contains(err.Error(), expectedString)
+	tests := []struct {
+		testFile string
+		isError  bool
+	}{
+		{"testdata/test.yaml", false},
+		{"testdata/incorrect.yaml", true},
+		{"testdata/notfound.yaml", true},
+	}
+
+	for _, test := range tests {
+		err := util.ReadYAMLFile(test.testFile, &actual)
+		if test.isError {
+			assert.Error(err)
+		} else {
+			assert.NoError(err)
+		}
+	}
 }

pkg/util/writefiles_test.go

@@ -46,4 +46,10 @@ func TestWriteFiles(t *testing.T) {
 	// check if files are readable
 	_, err = ioutil.ReadFile(testFile1)
 	assert.NoError(t, err)
+
+	// test to fail WriteFiles with NonExistent Dir Path
+	testFile3 := filepath.Join("NonExistentDir", "testFile3")
+	fls[testFile3] = dummyData
+	err = util.WriteFiles(fls, 0600)
+	assert.Error(t, err)
 }