adding more unit testing

internal/config/envconfig_test.go

@@ -5,6 +5,19 @@ import (
 	"testing"
 )
 
+type mock_config struct {
+	Notags          string
+	Ignored         string  `ignored:"true"`
+	Info            string  `info:"This is an info string."`
+	Secret          string  `secret:"true"`
+	Env             string  `env:"TEST_ENV"`
+	Default_string  string  `default:"This is a default string."`
+	Default_bool    bool    `default:"true"`
+	Default_int     int     `default:"100"`
+	Default_int64   int64   `default:"100"`
+	Default_float64 float64 `default:"100.001"`
+}
+
 func TestGetEnv(t *testing.T) {
 	var (
 		expected_string        string  = "This is a test string."
@@ -74,3 +87,124 @@ func TestGetEnv(t *testing.T) {
 		t.Fatalf("Expected %s, got %s", expected_unset_default, test_unset)
 	}
 }
+
+func TestGetStructInfo(t *testing.T) {
+	test_config := mock_config{
+		Notags:  "notags",
+		Ignored: "ignored",
+		Secret:  "secret",
+	}
+
+	cfgInfo, err := getStructInfo(&test_config)
+	if err != nil {
+		t.Fatalf("Error calling getStructInfo: %v", err)
+	}
+
+	for _, v := range cfgInfo {
+		switch v.Name {
+		case "Info":
+			if v.Info != "() This is an info string." {
+				t.Fatalf("Expected: %s, got: %s", "() This is an info string.", v.Info)
+			}
+		case "Secret":
+			if v.Secret != true {
+				t.Fatalf("Expected: %t, got: %t", true, false)
+			}
+		case "Env":
+			if v.Alt != "TEST_ENV" {
+				t.Fatalf("Expected: %s, got: %s", "TEST_ENV", v.Alt)
+			}
+		case "Default_value":
+			if v.DefaultValue != "This is a default string." {
+				t.Fatalf("Expected: %s, got: %s", "This is a default string.", v.DefaultValue)
+			}
+		}
+	}
+
+}
+
+func TestTypeConversion(t *testing.T) {
+	// string
+	output_string, _ := typeConversion("string", "This is a string.")
+	if output_string != "This is a string." {
+		t.Fatalf("Expected: %s, got: %s", "This is a string.", output_string)
+	}
+
+	// int
+	output_int, _ := typeConversion("int", "100")
+	if int(output_int.(int64)) != int(100) {
+		t.Fatalf("Expected: %d, got: %d", 100, output_int)
+	}
+
+	// int8
+	output_int8, _ := typeConversion("int8", "100")
+	if int8(output_int8.(int64)) != int8(100) {
+		t.Fatalf("Expected: %d, got: %d", 100, output_int8)
+	}
+
+	// int16
+	output_int16, _ := typeConversion("int16", "100")
+	if int16(output_int16.(int64)) != int16(100) {
+		t.Fatalf("Expected: %d, got: %d", 100, output_int16)
+	}
+
+	// int32
+	output_int32, _ := typeConversion("int32", "100")
+	if int32(output_int32.(int64)) != int32(100) {
+		t.Fatalf("Expected: %d, got: %d", 100, output_int32)
+	}
+
+	// int64
+	output_int64, _ := typeConversion("int64", "100")
+	if output_int64.(int64) != int64(100) {
+		t.Fatalf("Expected: %d, got: %d", 100, output_int64)
+	}
+
+	// uint
+	output_uint, _ := typeConversion("uint", "100")
+	if uint(output_uint.(uint64)) != uint(100) {
+		t.Fatalf("Expected: %d, got: %d", 100, output_uint)
+	}
+
+	// uint16
+	output_uint16, _ := typeConversion("uint16", "100")
+	if uint16(output_uint16.(uint64)) != uint16(100) {
+		t.Fatalf("Expected: %d, got: %d", 100, output_uint16)
+	}
+
+	// uint32
+	output_uint32, _ := typeConversion("uint32", "100")
+	if uint32(output_uint32.(uint64)) != uint32(100) {
+		t.Fatalf("Expected: %d, got: %d", 100, output_uint32)
+	}
+
+	// uint64
+	output_uint64, _ := typeConversion("uint64", "100")
+	if output_uint64.(uint64) != uint64(100) {
+		t.Fatalf("Expected: %d, got: %d", 100, output_uint64)
+	}
+
+	/*
+	// float32
+	output_float32, _ := typeConversion("float32", "100.001")
+	if float32(output_float32.(float64)) != float32(100.1) {
+		t.Fatalf("Expected: %f, got: %f", 100.1, output_float32)
+	}
+
+	// float64
+	output_float64, _ := typeConversion("float64", "100.001")
+	if output_float64.(float64) != 100.001 {
+		t.Fatalf("Expected: %f, got: %f", 100.001, output_float64)
+	}
+	*/
+}
+
+func TestParseFlags(t *testing.T) {
+	test_config := Config{}
+
+	cfgInfo, _ := getStructInfo(&test_config)
+
+	if err := test_config.parseFlags(cfgInfo); err != nil {
+		t.Fatalf("Expected error, no return data to validate: %v", err)
+	}
+}