Add tests for config.go

config_test.go

@@ -1 +1,54 @@
 package main
+
+import (
+	"testing"
+)
+
+func TestInitConfig(t *testing.T) {
+	var expected = struct {
+		clientCert  string
+		clientKey   string
+		configDir   string
+		etcdNodes   []string
+		interval    int
+		onetime     bool
+		prefix      string
+		templateDir string
+	}{
+		"", "", "/etc/confd/conf.d", []string{"http://127.0.0.1:4001"},
+		600, false, "/", "/etc/confd/templates",
+	}
+	InitConfig()
+	cc := ClientCert()
+	if cc != expected.clientCert {
+		t.Errorf("Expected default clientCert = %s, got %s", expected.clientCert, cc)
+	}
+	ck := ClientKey()
+	if ck != expected.clientKey {
+		t.Errorf("Expected default clientKey = %s, got %s", expected.clientKey, ck)
+	}
+	cd := ConfigDir()
+	if cd != expected.configDir {
+		t.Errorf("Expected default configDir = %s, got %s", expected.configDir, cd)
+	}
+	en := EtcdNodes()
+	if en[0] != expected.etcdNodes[0] {
+		t.Errorf("Expected default etcdNodes = %v, got %v", expected.etcdNodes, en)
+	}
+	i := Interval()
+	if i != expected.interval {
+		t.Errorf("Expected default interval = %d, got %d", expected.interval, i)
+	}
+	ot := Onetime()
+	if ot != expected.onetime {
+		t.Errorf("Expected default onetime = %v, got %v", expected.onetime, ot)
+	}
+	p := Prefix()
+	if p != expected.prefix {
+		t.Errorf("Expected default prefix = %s, got %s", expected.prefix, p)
+	}
+	td := TemplateDir()
+	if td != expected.templateDir {
+		t.Errorf("Expected default templateDir = %s, got %s", expected.templateDir, td)
+	}
+}