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Code Issues Projects Releases Wiki Activity

Retention: Implement Filter: Keep Latest K

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Signed-off-by: Nathan Lowe <public@nlowe.me>
This commit is contained in:
Nathan Lowe 2019-07-09 23:23:35 -04:00
parent 185f4f3861
commit 4ecbe749e4
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GPG Key ID: 1091439964459621
2 changed files with 64 additions and 3 deletions
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10
src/pkg/retention/policy/rule/latestk/evaluator.go
View File

@ -38,8 +38,12 @@ type evaluator struct {
// Process the candidates based on the rule definition
func (e *evaluator) Process(artifacts []*res.Candidate) ([]*res.Candidate, error) {
// TODO: REPLACE SAMPLE CODE WITH REAL IMPLEMENTATION
return artifacts, nil
i := e.k
if i > len(artifacts) {
i = len(artifacts)
}
return artifacts[:i], nil
}
// Specify what action is performed to the candidates processed by this evaluator
@ -51,7 +55,7 @@ func (e *evaluator) Action() string {
func New(params rule.Parameters) rule.Evaluator {
if params != nil {
if param, ok := params[ParameterK]; ok {
if v, ok := param.(int); ok {
if v, ok := param.(int); ok && v >= 0 {
return &evaluator{
k: v,
}

57
src/pkg/retention/policy/rule/latestk/evaluator_test.go Normal file
View File

@ -0,0 +1,57 @@
package latestk
import (
"strconv"
"testing"
"github.com/goharbor/harbor/src/pkg/retention/policy/rule"
"github.com/goharbor/harbor/src/pkg/retention/res"
"github.com/stretchr/testify/require"
)
func TestEvaluator_New(t *testing.T) {
tests := []struct {
Name string
args rule.Parameters
expectedK int
}{
{Name: "Valid", args: map[string]rule.Parameter{ParameterK: 5}, expectedK: 5},
{Name: "Default If Negative", args: map[string]rule.Parameter{ParameterK: -1}, expectedK: DefaultK},
{Name: "Default If Not Set", args: map[string]rule.Parameter{}, expectedK: DefaultK},
{Name: "Default If Wrong Type", args: map[string]rule.Parameter{ParameterK: "foo"}, expectedK: DefaultK},
}
for _, tt := range tests {
t.Run(tt.Name, func(t *testing.T) {
e := New(tt.args).(*evaluator)
require.Equal(t, tt.expectedK, e.k)
})
}
}
func TestEvaluator_Process(t *testing.T) {
data := []*res.Candidate{{}, {}, {}, {}, {}}
tests := []struct {
k int
expected int
}{
{k: 0, expected: 0},
{k: 1, expected: 1},
{k: 3, expected: 3},
{k: 5, expected: 5},
{k: 6, expected: 5},
}
for _, tt := range tests {
t.Run(strconv.Itoa(tt.k), func(t *testing.T) {
e := New(map[string]rule.Parameter{ParameterK: tt.k})
result, err := e.Process(data)
require.NoError(t, err)
require.Len(t, result, tt.expected)
})
}
}