Add initial tests (#81)

arc/cmd/clone_test.go

@@ -0,0 +1,47 @@
+package cmd
+
+import (
+	"bytes"
+	"os"
+	"strings"
+	"testing"
+)
+
+func TestCloneBadInput(t *testing.T) {
+
+	expected := "Error:  is not a valid hostname."
+
+	output := new(bytes.Buffer)
+	rootCmd.SetOut(output)
+	rootCmd.SetErr(output)
+
+	rootCmd.SetArgs([]string{"clone", "chicken"})
+
+	rootCmd.Execute()
+
+	if !strings.HasPrefix(output.String(), expected) {
+		t.Errorf("`arc clone` with bad input should start with `%s`, result: `%s`", expected, output)
+	}
+}
+
+func TestClonePass(t *testing.T) {
+
+	// This test will modify the local filesystem. Thus, only runs in an CI
+	// environment by default.
+	if os.Getenv("CI") != "true" {
+		t.Skip("skipping. Set envar CI=true to run.")
+	}
+
+	output := new(bytes.Buffer)
+	rootCmd.SetOut(output)
+	rootCmd.SetErr(output)
+
+	rootCmd.SetArgs([]string{"clone", "https://github.com/hubci/arc.git"})
+
+	rootCmd.Execute()
+
+	// check to see if repo was cloned
+	if _, err := os.Stat("/home/circleci/Repos/hubci/arc/.git"); os.IsNotExist(err) {
+		t.Error("`arc clone` failed to clone the arc repository.")
+	}
+}