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package health
import (
"context"
"net/http"
"reflect"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestWithPeriodicCheckConfig(t *testing.T) {
// Arrange
expectedName := "test"
cfg := checkerConfig{checks: map[string]*Check{}}
interval := 5 * time.Second
initialDelay := 1 * time.Minute
check := Check{Name: expectedName, updateInterval: interval, initialDelay: initialDelay}
// Act
WithPeriodicCheck(interval, initialDelay, check)(&cfg)
// Assert
assert.Equal(t, 1, len(cfg.checks))
assert.True(t, reflect.DeepEqual(check, *cfg.checks[expectedName]))
}
func TestWithCheckConfig(t *testing.T) {
// Arrange
expectedName := "test"
cfg := checkerConfig{checks: map[string]*Check{}}
check := Check{Name: "test"}
// Act
WithCheck(check)(&cfg)
// Assert
require.Equal(t, 1, len(cfg.checks))
assert.True(t, reflect.DeepEqual(&check, cfg.checks[expectedName]))
}
func TestWithCacheDurationConfig(t *testing.T) {
// Arrange
cfg := checkerConfig{}
duration := 5 * time.Hour
// Act
WithCacheDuration(duration)(&cfg)
// Assert
assert.Equal(t, duration, cfg.cacheTTL)
}
func TestWithDisabledCacheConfig(t *testing.T) {
// Arrange
cfg := checkerConfig{}
// Act
WithDisabledCache()(&cfg)
// Assert
assert.Equal(t, 0*time.Second, cfg.cacheTTL)
}
func TestWithTimeoutStartConfig(t *testing.T) {
// Arrange
cfg := checkerConfig{}
// Act
WithTimeout(5 * time.Hour)(&cfg)
// Assert
assert.Equal(t, 5*time.Hour, cfg.timeout)
}
func TestWithMaxErrorMessageLengthConfig(t *testing.T) {
// Arrange
cfg := checkerConfig{}
// Act
WithMaxErrorMessageLength(300)(&cfg)
// Assert
assert.Equal(t, uint(300), cfg.maxErrMsgLen)
}
func TestWithDisabledDetailsConfig(t *testing.T) {
// Arrange
cfg := checkerConfig{}
// Act
WithDisabledDetails()(&cfg)
// Assert
assert.Equal(t, true, cfg.detailsDisabled)
}
func TestWithMiddlewareConfig(t *testing.T) {
// Arrange
cfg := handlerConfig{}
mw := func(MiddlewareFunc) MiddlewareFunc {
return func(r *http.Request) CheckerResult {
return CheckerResult{StatusUp, nil}
}
}
// Act
WithMiddleware(mw)(&cfg)
// Assert
assert.Equal(t, 1, len(cfg.middleware))
}
func TestWithInterceptorConfig(t *testing.T) {
// Arrange
cfg := checkerConfig{}
interceptor := func(InterceptorFunc) InterceptorFunc {
return func(ctx context.Context, name string, state CheckState) CheckState {
return CheckState{}
}
}
// Act
WithInterceptors(interceptor)(&cfg)
// Assert
assert.Equal(t, 1, len(cfg.interceptors))
}
func TestWithResultWriterConfig(t *testing.T) {
// Arrange
cfg := handlerConfig{}
w := resultWriterMock{}
// Act
WithResultWriter(&w)(&cfg)
// Assert
assert.Equal(t, &w, cfg.resultWriter)
}
func TestWithStatusChangeListenerConfig(t *testing.T) {
// Arrange
cfg := checkerConfig{}
// Act
// Use of non standard AvailabilityStatus codes.
WithStatusListener(func(ctx context.Context, state CheckerState) {})(&cfg)
// Assert
assert.NotNil(t, cfg.statusChangeListener)
// Not possible in Go to compare functions.
}
func TestNewWithDefaults(t *testing.T) {
// Arrange
configApplied := false
opt := func(config *checkerConfig) { configApplied = true }
// Act
checker := NewChecker(opt)
// Assert
ckr := checker.(*defaultChecker)
assert.Equal(t, 1*time.Second, ckr.cfg.cacheTTL)
assert.Equal(t, 30*time.Second, ckr.cfg.timeout)
assert.Equal(t, uint(500), ckr.cfg.maxErrMsgLen)
assert.True(t, configApplied)
}
func TestNewCheckerWithDefaults(t *testing.T) {
// Arrange
configApplied := false
opt := func(config *checkerConfig) { configApplied = true }
// Act
checker := NewChecker(opt)
// Assert
ckr := checker.(*defaultChecker)
assert.Equal(t, 1*time.Second, ckr.cfg.cacheTTL)
assert.Equal(t, 30*time.Second, ckr.cfg.timeout)
assert.Equal(t, uint(500), ckr.cfg.maxErrMsgLen)
assert.True(t, configApplied)
}
func TestCheckerAutostartConfig(t *testing.T) {
// Arrange + Act
c := NewChecker()
// Assert
assert.True(t, c.IsStarted())
}
func TestCheckerAutostartDisabledConfig(t *testing.T) {
// Arrange
c := NewChecker(WithDisabledAutostart())
// Assert
assert.False(t, c.IsStarted())
}
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