84 lines
1.8 KiB
Go
84 lines
1.8 KiB
Go
package ezcache_test
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import (
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"fmt"
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"testing"
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"time"
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"codeberg.org/danjones000/ezcache"
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"github.com/stretchr/testify/assert"
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)
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var fetcher ezcache.Fetcher[uint8, string] = func(key uint8) (string, error) { return fmt.Sprintf("%d", key), nil }
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func TestNewHappy(t *testing.T) {
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cache, err := ezcache.New(fetcher, 1)
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assert.NoError(t, err)
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assert.NotNil(t, cache)
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}
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func TestNewNilFetcher(t *testing.T) {
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cache, err := ezcache.New[uint8, string](nil, 1)
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assert.ErrorIs(t, err, ezcache.ErrInvalidFetcher)
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assert.Nil(t, cache)
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}
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func TestNewBadExpiry(tt *testing.T) {
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testcases := []struct {
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name string
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exp time.Duration
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}{
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{"zero", 0},
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{"negative", -5},
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}
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for _, tc := range testcases {
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tt.Run(tc.name, func(t *testing.T) {
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cache, err := ezcache.New(fetcher, tc.exp)
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assert.ErrorIs(t, err, ezcache.ErrInvalidExpiry)
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assert.Nil(t, cache)
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})
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}
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}
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func TestGetHappy(t *testing.T) {
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var hit bool
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cache, _ := ezcache.New(func(key uint8) (string, error) { hit = true; return fetcher(key) }, 5*time.Second)
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val, err := cache.Get(4)
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assert.NoError(t, err)
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assert.Equal(t, "4", val)
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assert.True(t, hit)
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hit = false
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val, err = cache.Get(4)
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assert.NoError(t, err)
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assert.Equal(t, "4", val)
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assert.False(t, hit)
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}
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func TestGetExpire(t *testing.T) {
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var hit bool
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cache, _ := ezcache.New(func(key uint8) (string, error) { hit = true; return fetcher(key) }, 1)
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val, err := cache.Get(4)
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assert.NoError(t, err)
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assert.Equal(t, "4", val)
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assert.True(t, hit)
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hit = false
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time.Sleep(2)
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val, err = cache.Get(4)
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assert.NoError(t, err)
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assert.Equal(t, "4", val)
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assert.True(t, hit)
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}
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func TestGetError(t *testing.T) {
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cache, _ := ezcache.New(func(k uint8) (byte, error) { return 0, fmt.Errorf("Nope for %d", k) }, 1)
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_, err := cache.Get(4)
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assert.ErrorContains(t, err, "Nope for 4")
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}
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