test(bf-4lid): add comprehensive test environment config helper tests
Added proxy/helpers_env_test.go with thorough coverage of: - IsTestMode(): Verifies test mode detection via testing.Testing() and ZAI_PROXY_TEST_MODE env var - GetTestMaxRetries(): Tests default value (1), valid overrides, and invalid value handling - ConfigureTestEnv(): Validates all 7 required environment variables are set correctly (MAX_RETRIES, ZAI_PROXY_TEST_MODE, DEPLOYMENT_VARIANT, TOKEN_COUNTING_ENABLED, RATE_LIMIT_*) Acceptance criteria met: 1. IsTestMode() correctly detects test mode ✓ 2. GetTestMaxRetries() returns DefaultTestMaxRetries (1) ✓ 3. GetTestMaxRetries() respects MAX_RETRIES override ✓ 4. ConfigureTestEnv() sets all required env vars ✓ Co-Authored-By: Claude <noreply@anthropic.com>
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262
proxy/helpers_env_test.go
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262
proxy/helpers_env_test.go
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package main
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import (
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"os"
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"strconv"
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"testing"
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)
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// TestIsTestMode verifies that IsTestMode correctly detects test mode
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func TestIsTestMode(t *testing.T) {
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t.Run("returns true during test execution via testing.Testing", func(t *testing.T) {
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// When called from a test, testing.Testing() returns true
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if !IsTestMode() {
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t.Error("IsTestMode should return true during test execution via testing.Testing()")
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}
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})
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t.Run("returns true when ZAI_PROXY_TEST_MODE is true", func(t *testing.T) {
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// Save original value
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orig := os.Getenv(TestModeEnv)
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// Set env var and verify
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t.Setenv(TestModeEnv, "true")
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if !IsTestMode() {
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t.Error("IsTestMode should return true when ZAI_PROXY_TEST_MODE=true")
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}
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// Restore
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if orig != "" {
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t.Setenv(TestModeEnv, orig)
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} else {
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os.Unsetenv(TestModeEnv)
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}
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})
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t.Run("returns false when neither condition is met", func(t *testing.T) {
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// This test verifies the logic, though we can't truly test
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// the "non-test" case since we're always in a test context.
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// The key point is that during tests, it should return true.
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if !IsTestMode() {
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t.Error("IsTestMode should return true in test context")
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}
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})
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}
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// TestGetTestMaxRetries verifies that GetTestMaxRetries returns the correct value
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func TestGetTestMaxRetries(t *testing.T) {
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t.Run("returns DefaultTestMaxRetries (1) when MAX_RETRIES not set", func(t *testing.T) {
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// Save original value
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orig := os.Getenv(TestMaxRetriesEnv)
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// Ensure env var is unset
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os.Unsetenv(TestMaxRetriesEnv)
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retries := GetTestMaxRetries()
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if retries != DefaultTestMaxRetries {
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t.Errorf("Expected DefaultTestMaxRetries=%d, got %d", DefaultTestMaxRetries, retries)
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}
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// Restore
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if orig != "" {
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t.Setenv(TestMaxRetriesEnv, orig)
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}
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})
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t.Run("returns DefaultTestMaxRetries (1) when MAX_RETRIES is empty string", func(t *testing.T) {
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// Save original value
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orig := os.Getenv(TestMaxRetriesEnv)
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t.Setenv(TestMaxRetriesEnv, "")
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retries := GetTestMaxRetries()
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if retries != DefaultTestMaxRetries {
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t.Errorf("Expected DefaultTestMaxRetries=%d when env is empty, got %d", DefaultTestMaxRetries, retries)
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}
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// Restore
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if orig != "" {
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t.Setenv(TestMaxRetriesEnv, orig)
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}
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})
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t.Run("returns value from MAX_RETRIES when set to valid positive integer", func(t *testing.T) {
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// Save original value
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orig := os.Getenv(TestMaxRetriesEnv)
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testCases := []struct {
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name string
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envValue string
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expected int
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}{
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{"zero", "0", 0},
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{"one", "1", 1},
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{"two", "2", 2},
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{"five", "5", 5},
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{"ten", "10", 10},
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{"large", "100", 100},
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}
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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t.Setenv(TestMaxRetriesEnv, tc.envValue)
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retries := GetTestMaxRetries()
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if retries != tc.expected {
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t.Errorf("Expected %d, got %d", tc.expected, retries)
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}
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})
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}
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// Restore
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if orig != "" {
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t.Setenv(TestMaxRetriesEnv, orig)
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}
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})
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t.Run("returns DefaultTestMaxRetries when MAX_RETRIES is invalid", func(t *testing.T) {
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// Save original value
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orig := os.Getenv(TestMaxRetriesEnv)
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invalidValues := []string{
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"not-a-number",
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"-1", // negative
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"-5", // negative
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"1.5", // not an integer
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"abc",
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}
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for _, val := range invalidValues {
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t.Run("value_"+val, func(t *testing.T) {
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t.Setenv(TestMaxRetriesEnv, val)
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retries := GetTestMaxRetries()
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if retries != DefaultTestMaxRetries {
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t.Errorf("Expected DefaultTestMaxRetries=%d for invalid value %q, got %d",
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DefaultTestMaxRetries, val, retries)
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}
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})
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}
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// Restore
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if orig != "" {
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t.Setenv(TestMaxRetriesEnv, orig)
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}
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})
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}
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// TestConfigureTestEnv verifies that ConfigureTestEnv sets all required environment variables
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func TestConfigureTestEnv(t *testing.T) {
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// Save original values
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origTestMode := os.Getenv(TestModeEnv)
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origMaxRetries := os.Getenv(TestMaxRetriesEnv)
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origDeploymentVariant := os.Getenv("DEPLOYMENT_VARIANT")
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origTokenCounting := os.Getenv("TOKEN_COUNTING_ENABLED")
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origRateLimitInitial := os.Getenv("RATE_LIMIT_INITIAL")
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origRateLimitMin := os.Getenv("RATE_LIMIT_MIN")
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origRateLimitMax := os.Getenv("RATE_LIMIT_MAX")
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// Clear all env vars to ensure clean state
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os.Unsetenv(TestModeEnv)
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os.Unsetenv(TestMaxRetriesEnv)
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os.Unsetenv("DEPLOYMENT_VARIANT")
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os.Unsetenv("TOKEN_COUNTING_ENABLED")
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os.Unsetenv("RATE_LIMIT_INITIAL")
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os.Unsetenv("RATE_LIMIT_MIN")
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os.Unsetenv("RATE_LIMIT_MAX")
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// Call ConfigureTestEnv
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ConfigureTestEnv(t)
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// Verify TestMaxRetriesEnv is set to DefaultTestMaxRetries
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t.Run("sets TestMaxRetriesEnv (MAX_RETRIES) to DefaultTestMaxRetries", func(t *testing.T) {
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expected := strconv.Itoa(DefaultTestMaxRetries)
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actual := os.Getenv(TestMaxRetriesEnv)
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if actual != expected {
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t.Errorf("Expected MAX_RETRIES=%s, got %s", expected, actual)
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}
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})
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// Verify TestModeEnv is set to "true"
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t.Run("sets TestModeEnv (ZAI_PROXY_TEST_MODE) to true", func(t *testing.T) {
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actual := os.Getenv(TestModeEnv)
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if actual != "true" {
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t.Errorf("Expected ZAI_PROXY_TEST_MODE=true, got %s", actual)
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}
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})
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// Verify DEPLOYMENT_VARIANT is set to "test"
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t.Run("sets DEPLOYMENT_VARIANT to test", func(t *testing.T) {
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actual := os.Getenv("DEPLOYMENT_VARIANT")
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if actual != "test" {
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t.Errorf("Expected DEPLOYMENT_VARIANT=test, got %s", actual)
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}
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})
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// Verify TOKEN_COUNTING_ENABLED is set to "false"
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t.Run("sets TOKEN_COUNTING_ENABLED to false", func(t *testing.T) {
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actual := os.Getenv("TOKEN_COUNTING_ENABLED")
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if actual != "false" {
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t.Errorf("Expected TOKEN_COUNTING_ENABLED=false, got %s", actual)
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}
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})
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// Verify RATE_LIMIT_INITIAL is set to "1000"
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t.Run("sets RATE_LIMIT_INITIAL to 1000", func(t *testing.T) {
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actual := os.Getenv("RATE_LIMIT_INITIAL")
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if actual != "1000" {
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t.Errorf("Expected RATE_LIMIT_INITIAL=1000, got %s", actual)
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}
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})
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// Verify RATE_LIMIT_MIN is set to "1000"
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t.Run("sets RATE_LIMIT_MIN to 1000", func(t *testing.T) {
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actual := os.Getenv("RATE_LIMIT_MIN")
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if actual != "1000" {
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t.Errorf("Expected RATE_LIMIT_MIN=1000, got %s", actual)
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}
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})
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// Verify RATE_LIMIT_MAX is set to "1000"
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t.Run("sets RATE_LIMIT_MAX to 1000", func(t *testing.T) {
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actual := os.Getenv("RATE_LIMIT_MAX")
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if actual != "1000" {
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t.Errorf("Expected RATE_LIMIT_MAX=1000, got %s", actual)
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}
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})
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// Restore original values
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if origTestMode != "" {
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os.Setenv(TestModeEnv, origTestMode)
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} else {
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os.Unsetenv(TestModeEnv)
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}
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if origMaxRetries != "" {
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os.Setenv(TestMaxRetriesEnv, origMaxRetries)
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} else {
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os.Unsetenv(TestMaxRetriesEnv)
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}
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if origDeploymentVariant != "" {
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os.Setenv("DEPLOYMENT_VARIANT", origDeploymentVariant)
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} else {
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os.Unsetenv("DEPLOYMENT_VARIANT")
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}
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if origTokenCounting != "" {
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os.Setenv("TOKEN_COUNTING_ENABLED", origTokenCounting)
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} else {
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os.Unsetenv("TOKEN_COUNTING_ENABLED")
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}
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if origRateLimitInitial != "" {
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os.Setenv("RATE_LIMIT_INITIAL", origRateLimitInitial)
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} else {
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os.Unsetenv("RATE_LIMIT_INITIAL")
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}
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if origRateLimitMin != "" {
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os.Setenv("RATE_LIMIT_MIN", origRateLimitMin)
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} else {
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os.Unsetenv("RATE_LIMIT_MIN")
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}
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if origRateLimitMax != "" {
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os.Setenv("RATE_LIMIT_MAX", origRateLimitMax)
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} else {
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os.Unsetenv("RATE_LIMIT_MAX")
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}
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}
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