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Update gcache_z_example_cache_test.go

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This commit is contained in:
546104865
2021-11-10 16:39:26 +08:00
parent be274478d0
commit 30f462288e
1 changed files with 33 additions and 67 deletions
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100
os/gcache/gcache_z_example_cache_test.go
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@ -359,21 +359,21 @@ func ExampleCache_GetOrSetFunc() {
// GetOrSetFunc retrieves and returns the value of `key`, or sets `key` with result of function `f`
// and returns its result if `key` does not exist in the cache.
c.GetOrSetFunc(ctx, 1, func() (interface{}, error) {
return 111, nil
c.GetOrSetFunc(ctx, "k1", func() (interface{}, error) {
return "v1", nil
}, 10000*time.Millisecond)
v, _ := c.Get(ctx, 1)
v, _ := c.Get(ctx, "k1")
fmt.Println(v)
c.GetOrSetFunc(ctx, 2, func() (interface{}, error) {
// If func returns nil, no action is taken
c.GetOrSetFunc(ctx, "k2", func() (interface{}, error) {
return nil, nil
}, 10000*time.Millisecond)
v1, _ := c.Get(ctx, 2)
v1, _ := c.Get(ctx, "k2")
fmt.Println(v1)
// Output:
// 111
//
// v1
}
func ExampleCache_GetOrSetFuncLock() {
@ -383,40 +383,24 @@ func ExampleCache_GetOrSetFuncLock() {
c := gcache.New()
// Modify locking Note that the function `f` should be executed within writing mutex lock for concurrent safety purpose.
c.GetOrSetFuncLock(ctx, 1, func() (interface{}, error) {
return 11, nil
c.GetOrSetFuncLock(ctx, "k1", func() (interface{}, error) {
return "v1", nil
}, 0)
v, _ := c.Get(ctx, 1)
v, _ := c.Get(ctx, "k1")
fmt.Println(v)
// Modification failed
c.GetOrSetFuncLock(ctx, 1, func() (interface{}, error) {
return 111, nil
c.GetOrSetFuncLock(ctx, "k1", func() (interface{}, error) {
return "update v1", nil
}, 0)
v, _ = c.Get(ctx, 1)
v, _ = c.Get(ctx, "k1")
fmt.Println(v)
c.Remove(ctx, g.Slice{1, 2, 3}...)
// Modify locking
c.GetOrSetFuncLock(ctx, 1, func() (interface{}, error) {
return 111, nil
}, 0)
v, _ = c.Get(ctx, 1)
fmt.Println(v)
// Modification failed
c.GetOrSetFuncLock(ctx, 1, func() (interface{}, error) {
return 11, nil
}, 0)
v, _ = c.Get(ctx, 1)
fmt.Println(v)
c.Remove(ctx, g.Slice{"k1"}...)
// Output:
// 11
// 11
// 111
// 111
// v1
// v1
}
func ExampleCache_Keys() {
@ -555,40 +539,22 @@ func ExampleCache_MustGetOrSetFuncLock() {
c := gcache.New()
// MustGetOrSetFuncLock acts like GetOrSetFuncLock, but it panics if any error occurs.
c.MustGetOrSetFuncLock(ctx, 1, func() (interface{}, error) {
return 11, nil
c.MustGetOrSetFuncLock(ctx, "k1", func() (interface{}, error) {
return "v1", nil
}, 0)
v := c.MustGet(ctx, 1)
v := c.MustGet(ctx, "k1")
fmt.Println(v)
// Modification failed
c.MustGetOrSetFuncLock(ctx, 1, func() (interface{}, error) {
return 111, nil
c.MustGetOrSetFuncLock(ctx, "k1", func() (interface{}, error) {
return "update v1", nil
}, 0)
v = c.MustGet(ctx, 1)
fmt.Println(v)
c.Remove(ctx, g.Slice{1, 2, 3}...)
// Modify locking
c.MustGetOrSetFuncLock(ctx, 1, func() (interface{}, error) {
return 111, nil
}, 0)
v = c.MustGet(ctx, 1)
fmt.Println(v)
// Modification failed
c.MustGetOrSetFuncLock(ctx, 1, func() (interface{}, error) {
return 11, nil
}, 0)
v = c.MustGet(ctx, 1)
v = c.MustGet(ctx, "k1")
fmt.Println(v)
// Output:
// 11
// 11
// 111
// 111
// v1
// v1
}
func ExampleCache_MustContains() {
@ -628,7 +594,7 @@ func ExampleCache_MustGetExpire() {
expire := c.MustGetExpire(ctx, "k")
fmt.Println(expire)
// Output:
// May Output:
// 10s
}
@ -678,29 +644,29 @@ func ExampleCache_MustKeys() {
// Of course, you can also easily use the gcache package method directly
c := gcache.New()
c.SetMap(ctx, g.MapAnyAny{"k1": "v1"}, 0)
c.SetMap(ctx, g.MapAnyAny{"k1": "v1", "k2": "v2"}, 0)
// MustKeys acts like Keys, but it panics if any error occurs.
keys1, _ := c.Keys(ctx)
fmt.Println(keys1)
// Output:
// [k1]
// May Output:
// [k1 k2]
}
func ExampleCache_MustKeyStrings() {
c := gcache.New()
c.SetMap(ctx, g.MapAnyAny{"k1": "v1"}, 0)
c.SetMap(ctx, g.MapAnyAny{"k1": "v1", "k2": "v2"}, 0)
// MustKeyStrings returns all keys in the cache as string slice.
// MustKeyStrings acts like KeyStrings, but it panics if any error occurs.
keys := c.MustKeyStrings(ctx)
fmt.Println(keys)
// Output:
// [k1]
// May Output:
// [k1 k2]
}
func ExampleCache_MustValues() {
@ -710,12 +676,12 @@ func ExampleCache_MustValues() {
c := gcache.New()
// Write value
c.Set(ctx, "k1", g.Map{"k1": "v1"}, 0)
c.Set(ctx, "k1", "v1", 0)
// Values returns all values in the cache as slice.
data := c.MustValues(ctx)
fmt.Println(data)
// Output:
// [map[k1:v1]]
// [v1]
}