test environment parsing

bitly · Nov 15, 2014 · 7c3b46f · 7c3b46f
1 parent 0b39bb6
commit 7c3b46f
Showing 1 changed file with 26 additions and 0 deletions.
diff --git a/env_options_test.go b/env_options_test.go
@@ -0,0 +1,26 @@
+package main
+
+import (
+	"os"
+	"testing"
+
+	"github.com/bmizerany/assert"
+)
+
+type envTest struct {
+	testField string `cfg:"target_field" env:"TEST_ENV_FIELD"`
+}
+
+func TestLoadEnvForStruct(t *testing.T) {
+
+	cfg := make(EnvOptions)
+	cfg.LoadEnvForStruct(&envTest{})
+
+	_, ok := cfg["target_field"]
+	assert.Equal(t, ok, false)
+
+	os.Setenv("TEST_ENV_FIELD", "1234abcd")
+	cfg.LoadEnvForStruct(&envTest{})
+	v := cfg["target_field"]
+	assert.Equal(t, v, "1234abcd")
+}