feat: add initial implementation of Go utilities and CI workflows

Env/env_test.go

@@ -0,0 +1,69 @@
+package Env
+
+import (
+	"os"
+	"testing"
+)
+
+func TestEnvironmentVariable_GetName(t *testing.T) {
+	v := EnvironmentVariable("TEST_VAR")
+	if v.GetName() != "TEST_VAR" {
+		t.Errorf("expected 'TEST_VAR', got '%s'", v.GetName())
+	}
+}
+
+func TestEnvironmentVariable_GetEnvString(t *testing.T) {
+	const envName = "TEST_STRING"
+	_ = os.Setenv(envName, "value")
+	defer func() {
+		_ = os.Unsetenv(envName)
+	}()
+
+	v := EnvironmentVariable(envName)
+	got := v.GetEnvString("fallback")
+	if got != "value" {
+		t.Errorf("expected 'value', got '%s'", got)
+	}
+
+	_ = os.Unsetenv(envName)
+	got = v.GetEnvString("fallback")
+	if got != "fallback" {
+		t.Errorf("expected 'fallback', got '%s'", got)
+	}
+}
+
+func TestEnvironmentVariable_GetEnvBool(t *testing.T) {
+	const envName = "TEST_BOOL"
+	v := EnvironmentVariable(envName)
+
+	_ = os.Setenv(envName, "true")
+	if !v.GetEnvBool(false) {
+		t.Errorf("expected true for 'true'")
+	}
+	_ = os.Setenv(envName, "1")
+	if !v.GetEnvBool(false) {
+		t.Errorf("expected true for '1'")
+	}
+	_ = os.Setenv(envName, "false")
+	if v.GetEnvBool(true) {
+		t.Errorf("expected false for 'false'")
+	}
+	_ = os.Unsetenv(envName)
+	if v.GetEnvBool(true) != true {
+		t.Errorf("expected fallback true")
+	}
+}
+
+func TestEnvironmentVariable_GetEnvInt(t *testing.T) {
+	const envName = "TEST_INT"
+	v := EnvironmentVariable(envName)
+
+	_ = os.Setenv(envName, "42")
+	if v.GetEnvInt(envName, 10) != 42 {
+		t.Errorf("expected 42")
+	}
+	_ = os.Unsetenv(envName)
+	if v.GetEnvInt(envName, 10) != 10 {
+		t.Errorf("expected fallback 10")
+	}
+}