|
| 1 | +package main |
| 2 | + |
| 3 | +import ( |
| 4 | + "net/http" |
| 5 | + "net/http/httptest" |
| 6 | + "testing" |
| 7 | + |
| 8 | + "github.com/spf13/viper" |
| 9 | + "go.uber.org/zap" |
| 10 | + "go.uber.org/zap/zapcore" |
| 11 | + "go.uber.org/zap/zaptest/observer" |
| 12 | +) |
| 13 | + |
| 14 | +func TestSetupDatabase(t *testing.T) { |
| 15 | + viper.Set("database", "memcached") |
| 16 | + viper.Set("memcached", "localhost:11211") |
| 17 | + |
| 18 | + core, logs := observer.New(zapcore.DebugLevel) |
| 19 | + logger := zap.New(core) |
| 20 | + |
| 21 | + db, _ := setupDatabase(logger) |
| 22 | + if db == nil { |
| 23 | + t.Fatal("Expected non-nil database") |
| 24 | + } |
| 25 | + |
| 26 | + if logs.FilterMessage("configured Memcached").Len() != 1 { |
| 27 | + t.Error("Expected log message 'configured Memcached'") |
| 28 | + } |
| 29 | +} |
| 30 | + |
| 31 | +func TestSetupDatabaseRedis(t *testing.T) { |
| 32 | + viper.Set("database", "redis") |
| 33 | + viper.Set("redis", "redis://localhost:6379/0") |
| 34 | + |
| 35 | + core, logs := observer.New(zapcore.DebugLevel) |
| 36 | + logger := zap.New(core) |
| 37 | + |
| 38 | + db, _ := setupDatabase(logger) |
| 39 | + if db == nil { |
| 40 | + t.Fatal("Expected non-nil database") |
| 41 | + } |
| 42 | + |
| 43 | + if logs.FilterMessage("configured Redis").Len() != 1 { |
| 44 | + t.Error("Expected log message 'configured Redis'") |
| 45 | + } |
| 46 | +} |
| 47 | + |
| 48 | +func TestSetupDatabaseRedisWithInvalidUrl(t *testing.T) { |
| 49 | + viper.Set("database", "redis") |
| 50 | + viper.Set("redis", "boop") |
| 51 | + |
| 52 | + core, _ := observer.New(zapcore.DebugLevel) |
| 53 | + logger := zap.New(core) |
| 54 | + |
| 55 | + _, err := setupDatabase(logger) |
| 56 | + expected := `invalid Redis URL: invalid redis URL scheme: ` |
| 57 | + if err.Error() != expected { |
| 58 | + t.Fatalf("Expected '%s', got '%v'", expected, err.Error()) |
| 59 | + } |
| 60 | +} |
| 61 | + |
| 62 | +func TestSetupDatabaseInvalid(t *testing.T) { |
| 63 | + viper.Set("database", "invalid") |
| 64 | + core, _ := observer.New(zapcore.DebugLevel) |
| 65 | + logger := zap.New(core) |
| 66 | + |
| 67 | + _, err := setupDatabase(logger) |
| 68 | + expected := `unsupported database, expected 'memcached' or 'redis' got 'invalid'` |
| 69 | + if err.Error() != expected { |
| 70 | + t.Fatalf("Expected '%s', got '%v'", expected, err.Error()) |
| 71 | + } |
| 72 | +} |
| 73 | + |
| 74 | +func TestMetricsHandler(t *testing.T) { |
| 75 | + registry := setupRegistry() |
| 76 | + |
| 77 | + handler := metricsHandler(registry) |
| 78 | + |
| 79 | + req, err := http.NewRequest("GET", "/metrics", nil) |
| 80 | + if err != nil { |
| 81 | + t.Fatalf("Could not create request: %v", err) |
| 82 | + } |
| 83 | + |
| 84 | + rr := httptest.NewRecorder() |
| 85 | + handler.ServeHTTP(rr, req) |
| 86 | + |
| 87 | + if status := rr.Code; status != http.StatusOK { |
| 88 | + t.Errorf("Handler returned wrong status code: got %v want %v", status, http.StatusOK) |
| 89 | + } |
| 90 | + |
| 91 | + if body := rr.Body.String(); len(body) == 0 { |
| 92 | + t.Error("Handler returned empty body") |
| 93 | + } |
| 94 | +} |
| 95 | + |
| 96 | +func TestConfigureZapLogger(t *testing.T) { |
| 97 | + logger := configureZapLogger() |
| 98 | + |
| 99 | + if logger == nil { |
| 100 | + t.Fatal("Expected non-nil logger") |
| 101 | + } |
| 102 | + |
| 103 | + // Check if logger is working by capturing logs |
| 104 | + core, logs := observer.New(zapcore.DebugLevel) |
| 105 | + testLogger := zap.New(core) |
| 106 | + testLogger.Debug("test log message") |
| 107 | + |
| 108 | + if logs.FilterMessage("test log message").Len() != 1 { |
| 109 | + t.Error("Expected log message 'test log message'") |
| 110 | + } |
| 111 | +} |
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