added test cases for command_test

lib/command_test.go

@@ -0,0 +1,56 @@
+package lib_test
+
+import (
+	"reflect"
+	"testing"
+
+	"github.com/warren-veerasingam/terraform-switcher/lib"
+)
+
+// TestNewCommand : pass value and check if returned value is a pointer
+func TestNewCommand(t *testing.T) {
+
+	testCmd := "terraform"
+	cmd := lib.NewCommand(testCmd)
+
+	if reflect.ValueOf(cmd).Kind() == reflect.Ptr {
+		t.Logf("Value returned is a pointer %v [expected]", cmd)
+	} else {
+		t.Errorf("Value returned is not a pointer %v [expected", cmd)
+	}
+}
+
+// TestPathList : check if bin path exist
+func TestPathList(t *testing.T) {
+
+	testCmd := ""
+	cmd := lib.NewCommand(testCmd)
+	listBin := cmd.PathList()
+
+	if listBin == nil {
+		t.Error("No bin path found [unexpected]")
+	} else {
+		t.Logf("Found bin path [expected]")
+	}
+}
+
+type Command struct {
+	name string
+}
+
+// TestFind : check common "cd" command exist
+// This is assuming that Windows and linux has the "cd" command
+func TestFind(t *testing.T) {
+
+	testCmd := "cd"
+	cmd := lib.NewCommand(testCmd)
+
+	next := cmd.Find()
+	for path := next(); len(path) > 0; path = next() {
+		if path != "" {
+			t.Logf("Found installation path: %v [expected]\n", path)
+		} else {
+			t.Errorf("Unable to find '%v' command in this operating system [unexpected]", testCmd)
+		}
+	}
+}