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Merge pull request #5 from armosec/middleware
add utils
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,171 @@ | ||
| package utils | ||
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| import ( | ||
| "encoding/json" | ||
| "sort" | ||
| "strings" | ||
| "testing" | ||
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| "github.com/google/go-cmp/cmp" | ||
| "github.com/google/go-cmp/cmp/cmpopts" | ||
| "github.com/stretchr/testify/assert" | ||
| ) | ||
|
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| // Deprecated: use CompareAndUpdate | ||
| func CompareOrUpdate[T any](actual T, expectedBytes []byte, expectedFileName string, t *testing.T, update bool) { | ||
| if !Equal(t, actual, expectedBytes) && update { | ||
| SaveExpected(t, expectedFileName, actual) | ||
| } else if update { | ||
| assert.False(t, true, "update expected is true, set to false and rerun test") | ||
| } | ||
| } | ||
|
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| // Deprecated: use only for elastic response | ||
| func Equal[T any](t *testing.T, actual T, expectedBytes []byte) bool { | ||
| var expected T | ||
| err := json.Unmarshal(expectedBytes, &expected) | ||
| assert.NoError(t, err) | ||
| return assert.Equal(t, expected, actual) | ||
| } | ||
|
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| // Deprecated: use only for elastic response | ||
| func DeepEqualOrUpdate(t *testing.T, actualBytes, expectedBytes []byte, expectedFileName string, update bool) { | ||
| var actual, expected interface{} | ||
| err := json.Unmarshal(actualBytes, &actual) | ||
| assert.NoError(t, err) | ||
| err = json.Unmarshal(expectedBytes, &expected) | ||
| assert.NoError(t, err) | ||
|
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| sortSlices := cmpopts.SortSlices(func(a, b interface{}) bool { | ||
| if less, ok := isLess(a, b); ok { | ||
| return less | ||
| } | ||
| t.Fatal("don't know how to sort these types") | ||
| return true | ||
| }) | ||
| diff := cmp.Diff(expected, actual, sortSlices) | ||
| if update { | ||
| if diff != "" { | ||
| var actual interface{} | ||
| err := json.Unmarshal(actualBytes, &actual) | ||
| assert.NoError(t, err) | ||
| SaveExpected(t, expectedFileName, actual) | ||
| } else { | ||
| assert.False(t, true, "update expected is true, set to false and rerun test") | ||
| } | ||
| } else { | ||
| assert.Empty(t, diff, "actual compare with expected should not have diffs") | ||
| } | ||
| } | ||
|
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| //TODO improve this compare - works for Elastic response | ||
|
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| func isLess(a, b interface{}) (bool, bool) { | ||
| strA, okA := a.(string) | ||
| strB, okB := b.(string) | ||
| if okA && okB { | ||
| return strA < strB, true | ||
| } | ||
| if less, ok := lessSlice(a, b); ok { | ||
| return less, true | ||
| } else if less, ok := lessMapStr2Interface(a, b); ok { | ||
| return less, true | ||
| } | ||
|
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| return false, false | ||
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| } | ||
|
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| func lessSlice(a, b interface{}) (less bool, ok bool) { | ||
| if less, ok := lessStringSlice(a, b); ok { | ||
| return less, true | ||
| } else if less, ok := lessInterfaceSlice(a, b); ok { | ||
| return less, true | ||
| } | ||
| return false, false | ||
| } | ||
|
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| func lessStringSlice(a, b interface{}) (less bool, ok bool) { | ||
| strSliceA, okA := a.([]string) | ||
| strSliceB, okB := b.([]string) | ||
| if !okA || !okB { | ||
| return false, false | ||
| } | ||
| if len(strSliceA) != len(strSliceB) { | ||
| return len(strSliceA) < len(strSliceB), true | ||
| } | ||
| for i := range strSliceA { | ||
| if strSliceA[i] != strSliceB[i] { | ||
| return strings.Compare(strSliceA[i], strSliceB[i]) == -1, true | ||
| } | ||
| } | ||
| return false, true | ||
| } | ||
|
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| func lessInterfaceSlice(a, b interface{}) (less bool, ok bool) { | ||
| interSliceA, okA := a.([]interface{}) | ||
| interSliceB, okB := b.([]interface{}) | ||
| if !okA || !okB { | ||
| return false, false | ||
| } | ||
| if len(interSliceA) != len(interSliceB) { | ||
| return len(interSliceA) < len(interSliceB), true | ||
| } | ||
| for i := range interSliceA { | ||
| if less, ok := isLess(interSliceA[i], interSliceB[i]); !ok { | ||
| return false, false | ||
| } else if less { | ||
| return true, true | ||
| } | ||
| } | ||
| return false, true | ||
| } | ||
|
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| func lessMapStr2Interface(a, b interface{}) (bool, bool) { | ||
| mapA, okA := a.(map[string]interface{}) | ||
| mapB, okB := b.(map[string]interface{}) | ||
|
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| if !okA || !okB { | ||
| return false, false | ||
| } | ||
|
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| if len(mapA) != len(mapB) { | ||
| return len(mapA) < len(mapB), true | ||
| } | ||
|
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| keysA := make([]string, 0, len(mapA)) | ||
| for k := range mapA { | ||
| keysA = append(keysA, k) | ||
| } | ||
| keysB := make([]string, 0, len(mapB)) | ||
| for k := range mapB { | ||
| keysB = append(keysB, k) | ||
| } | ||
|
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| sort.StringSlice(keysA).Sort() | ||
| sort.StringSlice(keysB).Sort() | ||
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| for i := range keysA { | ||
| if keysA[i] != keysB[i] { | ||
| return keysA[i] < keysB[i], true | ||
| } | ||
| } | ||
| for i := range keysA { | ||
| less, ok := isLess(mapA[keysA[i]], mapB[keysA[i]]) | ||
| if !ok { | ||
| return false, false | ||
| } | ||
| if less { | ||
| return true, true | ||
| } | ||
| } | ||
| return false, true | ||
| } | ||
|
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| func loadJson[T any](jsonBytes []byte) T { | ||
| var obj T | ||
| if err := json.Unmarshal(jsonBytes, &obj); err != nil { | ||
| panic(err) | ||
| } | ||
| return obj | ||
| } |
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