Added basic config module

1 files changed, 68 insertions, 0 deletions

diff --git a/config/config_test.go b/config/config_test.go
new file mode 100644
index 0000000..0b78260
--- /dev/null
+++ b/config/config_test.go
@@ -0,0 +1,68 @@
+package config
+
+import (
+	"reflect"
+	"testing"
+)
+
+func TestLoadFile(t *testing.T) {
+	// Non existant file
+	_, err := LoadFile("test_data/non-existant")
+	if err == nil {
+		t.Fatal("non-existant config file failed without error")
+	}
+
+	// Invalid yaml file
+	_, err = LoadFile("test_data/invalid_yaml")
+	if err == nil {
+		t.Fatal("invalid_yaml config file failed without error")
+	}
+
+	// Invalid address
+	if _, err = LoadFile("test_data/invalid_address.yaml"); err == nil {
+		t.Fatal("Invalid address should fail to load")
+	}
+
+	// Invalid address unreasolvable
+	if _, err = LoadFile("test_data/invalid_address_unresolvable.yaml"); err == nil {
+		t.Fatal("Unresolvable address should fail to load")
+	}
+
+	// Invalid port
+	if _, err = LoadFile("test_data/invalid_port.yaml"); err == nil {
+		t.Fatal("Invalid port should fail to load")
+	}
+
+	// Invalid token
+	if _, err = LoadFile("test_data/invalid_token.yaml"); err == nil {
+		t.Fatal("Invalid token should fail to load")
+	}
+
+	// Minimal yaml file
+	want := Config{
+		Address: "127.0.0.2",
+		Port:    "8082",
+		Token:   "12345678-9abc-def0-1234-56789abcdef0",
+	}
+	config, err := LoadFile("test_data/minimal.yaml")
+	if err != nil {
+		t.Fatalf("minimal example failed with error: %v", err)
+	}
+	if config != nil && !reflect.DeepEqual(want, *config) {
+		t.Fatalf("minimal example failed:\nwant:%+v\ngot: %+v", want, *config)
+	}
+
+	// Minimal yaml file with hostname resolving
+	want = Config{
+		Address: "localhost",
+		Port:    "8082",
+		Token:   "12345678-9abc-def0-1234-56789abcdef0",
+	}
+	config, err = LoadFile("test_data/minimal_with_hostname.yaml")
+	if err != nil {
+		t.Fatalf("minimal example failed with error: %v", err)
+	}
+	if config != nil && !reflect.DeepEqual(want, *config) {
+		t.Fatalf("minimal example failed:\nwant:%+v\ngot: %+v", want, *config)
+	}
+}