Refactor cfg to use envvars as well

1 files changed, 46 insertions, 0 deletions

diff --git a/srv/cfg/cfg_test.go b/srv/cfg/cfg_test.go
new file mode 100644
index 0000000..7ccf94a
--- /dev/null
+++ b/srv/cfg/cfg_test.go
@@ -0,0 +1,46 @@
+package cfg
+
+import (
+	"context"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestStringVar(t *testing.T) {
+
+	cfg := New(Params{
+		Args: []string{"--foo=CLI"},
+		Env:  map[string]string{"FOO": "ENV", "BAR": "ENV"},
+	})
+
+	var foo, bar, baz string
+
+	cfg.StringVar(&foo, "foo", "DEF", "")
+	cfg.StringVar(&bar, "bar", "DEF", "")
+	cfg.StringVar(&baz, "baz", "DEF", "")
+
+	assert.NoError(t, cfg.Init(context.Background()))
+	assert.Equal(t, "CLI", foo)
+	assert.Equal(t, "ENV", bar)
+	assert.Equal(t, "DEF", baz)
+}
+
+func TestIntVar(t *testing.T) {
+
+	cfg := New(Params{
+		Args: []string{"--foo=111"},
+		Env:  map[string]string{"FOO": "222", "BAR": "222"},
+	})
+
+	var foo, bar, baz int
+
+	cfg.IntVar(&foo, "foo", 333, "")
+	cfg.IntVar(&bar, "bar", 333, "")
+	cfg.IntVar(&baz, "baz", 333, "")
+
+	assert.NoError(t, cfg.Init(context.Background()))
+	assert.Equal(t, 111, foo)
+	assert.Equal(t, 222, bar)
+	assert.Equal(t, 333, baz)
+}