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| 1 | +package connect |
| 2 | + |
| 3 | +import ( |
| 4 | + "log/slog" |
| 5 | + "os" |
| 6 | + "testing" |
| 7 | + |
| 8 | + "github.com/stretchr/testify/require" |
| 9 | +) |
| 10 | + |
| 11 | +func TestMaxWorkerConcurrency(t *testing.T) { |
| 12 | + t.Run("returns user provided value", func(t *testing.T) { |
| 13 | + r := require.New(t) |
| 14 | + |
| 15 | + maxConcurrency := int64(100) |
| 16 | + h := &connectHandler{ |
| 17 | + opts: Opts{ |
| 18 | + MaxWorkerConcurrency: &maxConcurrency, |
| 19 | + }, |
| 20 | + logger: slog.Default(), |
| 21 | + } |
| 22 | + |
| 23 | + result := h.maxWorkerConcurrency() |
| 24 | + r.NotNil(result) |
| 25 | + r.Equal(int64(100), *result) |
| 26 | + }) |
| 27 | + |
| 28 | + t.Run("returns environment variable value when user value not provided", func(t *testing.T) { |
| 29 | + r := require.New(t) |
| 30 | + |
| 31 | + // Set environment variable |
| 32 | + t.Setenv(maxWorkerConcurrencyEnvKey, "50") |
| 33 | + |
| 34 | + h := &connectHandler{ |
| 35 | + opts: Opts{ |
| 36 | + MaxWorkerConcurrency: nil, |
| 37 | + }, |
| 38 | + logger: slog.Default(), |
| 39 | + } |
| 40 | + |
| 41 | + result := h.maxWorkerConcurrency() |
| 42 | + r.NotNil(result) |
| 43 | + r.Equal(int64(50), *result) |
| 44 | + }) |
| 45 | + |
| 46 | + t.Run("returns default value when neither user value nor env var provided", func(t *testing.T) { |
| 47 | + r := require.New(t) |
| 48 | + |
| 49 | + // Ensure environment variable is not set |
| 50 | + _ = os.Unsetenv(maxWorkerConcurrencyEnvKey) |
| 51 | + |
| 52 | + h := &connectHandler{ |
| 53 | + opts: Opts{ |
| 54 | + MaxWorkerConcurrency: nil, |
| 55 | + }, |
| 56 | + logger: slog.Default(), |
| 57 | + } |
| 58 | + |
| 59 | + result := h.maxWorkerConcurrency() |
| 60 | + r.NotNil(result) |
| 61 | + r.Equal(defaultMaxWorkerConcurrency, *result) |
| 62 | + }) |
| 63 | + |
| 64 | + t.Run("user provided value takes precedence over environment variable", func(t *testing.T) { |
| 65 | + r := require.New(t) |
| 66 | + |
| 67 | + // Set environment variable |
| 68 | + t.Setenv(maxWorkerConcurrencyEnvKey, "50") |
| 69 | + |
| 70 | + maxConcurrency := int64(200) |
| 71 | + h := &connectHandler{ |
| 72 | + opts: Opts{ |
| 73 | + MaxWorkerConcurrency: &maxConcurrency, |
| 74 | + }, |
| 75 | + logger: slog.Default(), |
| 76 | + } |
| 77 | + |
| 78 | + result := h.maxWorkerConcurrency() |
| 79 | + r.NotNil(result) |
| 80 | + r.Equal(int64(200), *result) |
| 81 | + }) |
| 82 | + |
| 83 | + t.Run("handles invalid environment variable gracefully", func(t *testing.T) { |
| 84 | + r := require.New(t) |
| 85 | + |
| 86 | + // Set invalid environment variable |
| 87 | + t.Setenv(maxWorkerConcurrencyEnvKey, "invalid") |
| 88 | + |
| 89 | + h := &connectHandler{ |
| 90 | + opts: Opts{ |
| 91 | + MaxWorkerConcurrency: nil, |
| 92 | + }, |
| 93 | + logger: slog.Default(), |
| 94 | + } |
| 95 | + |
| 96 | + result := h.maxWorkerConcurrency() |
| 97 | + r.NotNil(result) |
| 98 | + // Should return default value when env var is invalid |
| 99 | + r.Equal(defaultMaxWorkerConcurrency, *result) |
| 100 | + }) |
| 101 | +} |
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