health test mock

health_test_not_mock.go

import (
	"os"
	"testing"
	"time"
)

func TestGetPingPeriod(t *testing.T) {
	beforeFunc := func(value string) {
		if err := os.Setenv("OPENEBS_IO_ANALYTICS_PING_INTERVAL", value); err != nil {
			t.Logf("Unable to set environment variable")
		}
	}
	afterFunc := func() {
		if err := os.Unsetenv("OPENEBS_IO_ANALYTICS_PING_INTERVAL"); err != nil {
			t.Logf("Unable to unset environment variable")
		}
	}
	testSuite := map[string]struct {
		OpenEBSPingPeriodValue string
		ExpectedPeriodValue    time.Duration
	}{
		"24 seconds":          {"24s", 86400000000000},
		"24 minutes":          {"24m", 86400000000000},
		"24 hours":            {"24h", 86400000000000},
		"Negative 24 hours":   {"-24h", 86400000000000},
		"Random string input": {"Apache", 86400000000000},
		"Two hours":           {"2h", 7200000000000},
		"Three hundred hours": {"300h", 1080000000000000},
		"Fifty two seconds":   {"52000000000ns", 86400000000000},
		"Empty env value":     {"", 86400000000000},
	}
	for testKey, testData := range testSuite {
		beforeFunc(testData.OpenEBSPingPeriodValue)
		evaluatedValue := getPingPeriod()
		if evaluatedValue != testData.ExpectedPeriodValue {
			t.Fatalf("Tests failed for %s, expected=%d, got=%d", testKey, testData.ExpectedPeriodValue, evaluatedValue)
		}
		afterFunc()
	}
}

heath_test.go

package usage

import (
	"testing"
	"time"
)

// mockPingPeriod mocks getPingPeriod
func mockPingPeriod(envValue string) time.Duration {
	duration, _ := time.ParseDuration(envValue)

	if duration < minimumPingPeriod {
		return time.Duration(defaultPingPeriod)
	} else {
		return time.Duration(duration)
	}
}

func TestGetPingPeriod(t *testing.T) {

	// {"24s", "-100h", "OpenEBS", "true", "100h", "24h", "24.3h", "300000h"}
	testSuite := map[string]struct {
		OpenEBSPingPeriodValue string
		ExpectedPeriodValue    time.Duration
	}{
		"24 seconds": {
			"24s",
			86400000000000,
		},
		"24 minutes": {
			"24m",
			86400000000000,
		},
		"24 hours": {
			"24h",
			86400000000000,
		},
		"Negative 24 hours": {
			"-24h",
			86400000000000,
		},
		"Random string input": {
			"Apache",
			86400000000000,
		},
		"Two hours": {
			"2h",
			7200000000000,
		},
		"Three hundred hours": {
			"300h",
			1080000000000000,
		},
		"Fifty two seconds": {
			"52000000000ns",
			86400000000000,
		},
	}
	for testKey, testData := range testSuite {
		evaluatedValue := mockPingPeriod(testData.OpenEBSPingPeriodValue)
		if evaluatedValue != testData.ExpectedPeriodValue {
			t.Fatalf("Tests failed for %s, expected=%d, got=%d", testKey, testData.ExpectedPeriodValue, evaluatedValue)
		}
	}
}