coverage

external_test.go

@@ -0,0 +1,32 @@
+package envconf
+
+import "testing"
+
+func TestExternal_EmpExt_Ok(t *testing.T) {
+	e := emptyExt{}
+	if e.TagName() != "" || e.Unmarshal(nil) != nil {
+		t.Error("unexpected result")
+	}
+}
+
+func TestExternal_newExternalConfig_Ok(t *testing.T) {
+	ext := newExternalConfig(emptyExt{})
+	if ext == nil {
+		t.Fail()
+	}
+	if ext.Unmarshal(nil) != nil {
+		t.Error("unexpected result")
+	}
+}
+
+func TestExternal_InvalidJson_Err(t *testing.T) {
+	jsonConf := NewJsonConfig()
+	jsonConf.Read([]byte("<test></test>"))
+	ext := newExternalConfig(jsonConf)
+	tc := struct {
+		Foo int
+	}{}
+	if ext.Unmarshal(&tc) == nil {
+		t.Error("unexpected error got nil")
+	}
+}