1 files changed, 54 insertions, 0 deletions
diff --git a/pkg/config/config_test.go b/pkg/config/config_test.go
new file mode 100644
index 0000000..3904b5d
--- /dev/null
+++ b/pkg/config/config_test.go
@@ -0,0 +1,54 @@
+package config
+
+import (
+	"reflect"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestLoadFile(t *testing.T) {
+	// Minimal yaml file
+	minimalConfig := Config{
+		Address: "127.0.0.2",
+		Port:    "8082",
+		Token:   "12345678-9abc-def0-1234-56789abcdef0",
+	}
+
+	// Minimal yaml file with hostname resolving
+	minimalConfigWithResolving := Config{
+		Address: "localhost",
+		Port:    "8082",
+		Token:   "12345678-9abc-def0-1234-56789abcdef0",
+	}
+
+	// Test cases
+	testCases := []struct {
+		name          string
+		input         string
+		expected      *Config
+		expectedError interface{}
+	}{
+		{"Non existant file", "test_data/non-existant", nil, &OpenError{}},
+		{"Invalid file content", "test_data/invalid.yaml", nil, &DecodeError{}},
+		{"Invalid address should fail to load", "test_data/invalid_address.yaml", nil, &InvalidAddressError{}},
+		{"Unresolvable address should fail to load", "test_data/invalid_address_unresolvable.yaml", nil, &InvalidAddressError{}},
+		{"Invalid port should fail to load", "test_data/invalid_port.yaml", nil, &InvalidPortError{}},
+		{"Invalid token should fail to load", "test_data/invalid_token.yaml", nil, &InvalidTokenError{}},
+		{"Minimal config", "test_data/minimal.yaml", &minimalConfig, nil},
+		{"Minimal config with resolving", "test_data/minimal_with_hostname.yaml", &minimalConfigWithResolving, nil},
+	}
+	for _, tc := range testCases {
+		t.Run(tc.name, func(t *testing.T) {
+			valid, err := LoadFile(tc.input)
+			if tc.expectedError != nil {
+				require.Error(t, err)
+				assert.Equalf(t, reflect.TypeOf(err), reflect.TypeOf(tc.expectedError), "Invalid error type. Got %s but expected %s", reflect.TypeOf(err), reflect.TypeOf(tc.expectedError))
+			} else {
+				require.NoError(t, err)
+			}
+			assert.Equal(t, tc.expected, valid, "Invalid value")
+		})
+	}
+}