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package cron
import (
"reflect"
"strings"
"testing"
"time"
)
func TestRange(t *testing.T) {
zero := uint64(0)
ranges := []struct {
expr string
min, max uint
expected uint64
err string
}{
{"5", 0, 7, 1 << 5, ""},
{"0", 0, 7, 1 << 0, ""},
{"7", 0, 7, 1 << 7, ""},
{"5-5", 0, 7, 1 << 5, ""},
{"5-6", 0, 7, 1<<5 | 1<<6, ""},
{"5-7", 0, 7, 1<<5 | 1<<6 | 1<<7, ""},
{"5-6/2", 0, 7, 1 << 5, ""},
{"5-7/2", 0, 7, 1<<5 | 1<<7, ""},
{"5-7/1", 0, 7, 1<<5 | 1<<6 | 1<<7, ""},
{"*", 1, 3, 1<<1 | 1<<2 | 1<<3 | starBit, ""},
{"*/2", 1, 3, 1<<1 | 1<<3 | starBit, ""},
{"5--5", 0, 0, zero, "Too many hyphens"},
{"jan-x", 0, 0, zero, "Failed to parse int from"},
{"2-x", 1, 5, zero, "Failed to parse int from"},
{"*/-12", 0, 0, zero, "Negative number"},
{"*//2", 0, 0, zero, "Too many slashes"},
{"1", 3, 5, zero, "below minimum"},
{"6", 3, 5, zero, "above maximum"},
{"5-3", 3, 5, zero, "beyond end of range"},
{"*/0", 0, 0, zero, "should be a positive number"},
}
for _, c := range ranges {
actual, err := getRange(c.expr, bounds{c.min, c.max, nil})
if len(c.err) != 0 && (err == nil || !strings.Contains(err.Error(), c.err)) {
t.Errorf("%s => expected %v, got %v", c.expr, c.err, err)
}
if len(c.err) == 0 && err != nil {
t.Error("%s => unexpected error %v", c.expr, err)
}
if actual != c.expected {
t.Errorf("%s => expected %d, got %d", c.expr, c.expected, actual)
}
}
}
func TestField(t *testing.T) {
fields := []struct {
expr string
min, max uint
expected uint64
}{
{"5", 1, 7, 1 << 5},
{"5,6", 1, 7, 1<<5 | 1<<6},
{"5,6,7", 1, 7, 1<<5 | 1<<6 | 1<<7},
{"1,5-7/2,3", 1, 7, 1<<1 | 1<<5 | 1<<7 | 1<<3},
}
for _, c := range fields {
actual, _ := getField(c.expr, bounds{c.min, c.max, nil})
if actual != c.expected {
t.Errorf("%s => expected %d, got %d", c.expr, c.expected, actual)
}
}
}
func TestAll(t *testing.T) {
allBits := []struct {
r bounds
expected uint64
}{
{minutes, 0xfffffffffffffff}, // 0-59: 60 ones
{hours, 0xffffff}, // 0-23: 24 ones
{dom, 0xfffffffe}, // 1-31: 31 ones, 1 zero
{months, 0x1ffe}, // 1-12: 12 ones, 1 zero
{dow, 0x7f}, // 0-6: 7 ones
}
for _, c := range allBits {
actual := all(c.r) // all() adds the starBit, so compensate for that..
if c.expected|starBit != actual {
t.Errorf("%d-%d/%d => expected %b, got %b",
c.r.min, c.r.max, 1, c.expected|starBit, actual)
}
}
}
func TestBits(t *testing.T) {
bits := []struct {
min, max, step uint
expected uint64
}{
{0, 0, 1, 0x1},
{1, 1, 1, 0x2},
{1, 5, 2, 0x2a}, // 101010
{1, 4, 2, 0xa}, // 1010
}
for _, c := range bits {
actual := getBits(c.min, c.max, c.step)
if c.expected != actual {
t.Errorf("%d-%d/%d => expected %b, got %b",
c.min, c.max, c.step, c.expected, actual)
}
}
}
func TestParse(t *testing.T) {
entries := []struct {
expr string
expected Schedule
err string
}{
{
expr: "* 5 * * * *",
expected: &SpecSchedule{
Second: all(seconds),
Minute: 1 << 5,
Hour: all(hours),
Dom: all(dom),
Month: all(months),
Dow: all(dow),
},
},
{
expr: "* 5 j * * *",
err: "Failed to parse int from",
},
{
expr: "@every 5m",
expected: ConstantDelaySchedule{Delay: time.Duration(5) * time.Minute},
},
{
expr: "@every Xm",
err: "Failed to parse duration",
},
{
expr: "@yearly",
expected: &SpecSchedule{
Second: 1 << seconds.min,
Minute: 1 << minutes.min,
Hour: 1 << hours.min,
Dom: 1 << dom.min,
Month: 1 << months.min,
Dow: all(dow),
},
},
{
expr: "@annually",
expected: &SpecSchedule{
Second: 1 << seconds.min,
Minute: 1 << minutes.min,
Hour: 1 << hours.min,
Dom: 1 << dom.min,
Month: 1 << months.min,
Dow: all(dow),
},
},
{
expr: "@unrecognized",
err: "Unrecognized descriptor",
},
{
expr: "* * * *",
err: "Expected 5 to 6 fields",
},
{
expr: "",
err: "Empty spec string",
},
}
for _, c := range entries {
actual, err := Parse(c.expr)
if len(c.err) != 0 && (err == nil || !strings.Contains(err.Error(), c.err)) {
t.Errorf("%s => expected %v, got %v", c.expr, c.err, err)
}
if len(c.err) == 0 && err != nil {
t.Errorf("%s => unexpected error %v", c.expr, err)
}
if !reflect.DeepEqual(actual, c.expected) {
t.Errorf("%s => expected %b, got %b", c.expr, c.expected, actual)
}
}
}
func TestStandardSpecSchedule(t *testing.T) {
entries := []struct {
expr string
expected Schedule
err string
}{
{
expr: "5 * * * *",
expected: &SpecSchedule{1 << seconds.min, 1 << 5, all(hours), all(dom), all(months), all(dow)},
},
{
expr: "@every 5m",
expected: ConstantDelaySchedule{time.Duration(5) * time.Minute},
},
{
expr: "5 j * * *",
err: "Failed to parse int from",
},
{
expr: "* * * *",
err: "Expected exactly 5 fields",
},
}
for _, c := range entries {
actual, err := ParseStandard(c.expr)
if len(c.err) != 0 && (err == nil || !strings.Contains(err.Error(), c.err)) {
t.Errorf("%s => expected %v, got %v", c.expr, c.err, err)
}
if len(c.err) == 0 && err != nil {
t.Errorf("%s => unexpected error %v", c.expr, err)
}
if !reflect.DeepEqual(actual, c.expected) {
t.Errorf("%s => expected %b, got %b", c.expr, c.expected, actual)
}
}
}
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