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Increase code coverage for pkg/api/resource

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Signed-off-by: Liam White <liamwhite@uk.ibm.com>
This commit is contained in:
Liam White 2017-01-21 19:53:47 +00:00
parent 099e7a5f0a
commit 0bdfb7ae13
5 changed files with 173 additions and 20 deletions
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1
staging/src/k8s.io/apimachinery/pkg/api/resource/BUILD
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@ -13,6 +13,7 @@ go_test(
srcs = [
"amount_test.go",
"math_test.go",
"quantity_proto_test.go",
"quantity_test.go",
"scale_int_test.go",
],

22
staging/src/k8s.io/apimachinery/pkg/api/resource/amount_test.go
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@ -109,3 +109,25 @@ func TestInt64AsCanonicalString(t *testing.T) {
}
}
}
func TestAmountSign(t *testing.T) {
table := []struct {
i int64Amount
expect int
}{
{int64Amount{value: -50, scale: 1}, -1},
{int64Amount{value: 0, scale: 1}, 0},
{int64Amount{value: 300, scale: 1}, 1},
{int64Amount{value: -50, scale: -8}, -1},
{int64Amount{value: 50, scale: -8}, 1},
{int64Amount{value: 0, scale: -8}, 0},
{int64Amount{value: -50, scale: 0}, -1},
{int64Amount{value: 50, scale: 0}, 1},
{int64Amount{value: 0, scale: 0}, 0},
}
for _, testCase := range table {
if result := testCase.i.Sign(); result != testCase.expect {
t.Errorf("i: %v, Expected: %v, Actual: %v", testCase.i, testCase.expect, result)
}
}
}

13
staging/src/k8s.io/apimachinery/pkg/api/resource/math.go
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@ -247,19 +247,6 @@ func pow10Int64(b int64) int64 {
}
}
// powInt64 raises a to the bth power. Is not overflow aware.
func powInt64(a, b int64) int64 {
p := int64(1)
for b > 0 {
if b&1 != 0 {
p *= a
}
b >>= 1
a *= a
}
return p
}
// negativeScaleInt64 returns the result of dividing base by scale * 10 and the remainder, or
// false if no such division is possible. Dividing by negative scales is undefined.
func divideByScaleInt64(base int64, scale Scale) (result, remainder int64, exact bool) {

103
staging/src/k8s.io/apimachinery/pkg/api/resource/quantity_proto_test.go Normal file
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@ -0,0 +1,103 @@
/*
Copyright 2017 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package resource
import (
"testing"
inf "gopkg.in/inf.v0"
)
func TestQuantityProtoMarshal(t *testing.T) {
// Test when d is nil
table := []struct {
quantity string
expect Quantity
}{
{"0", Quantity{i: int64Amount{value: 0, scale: 0}, s: "0", Format: DecimalSI}},
{"100m", Quantity{i: int64Amount{value: 100, scale: -3}, s: "100m", Format: DecimalSI}},
{"50m", Quantity{i: int64Amount{value: 50, scale: -3}, s: "50m", Format: DecimalSI}},
{"10000T", Quantity{i: int64Amount{value: 10000, scale: 12}, s: "10000T", Format: DecimalSI}},
}
for _, testCase := range table {
q := MustParse(testCase.quantity)
// Won't currently get an error as MarshalTo can't return one
result, _ := q.Marshal()
q.MarshalTo(result)
if q.Cmp(testCase.expect) != 0 {
t.Errorf("Expected: %v, Actual: %v", testCase.expect, q)
}
}
// Test when i is {0,0}
table2 := []struct {
dec *inf.Dec
expect Quantity
}{
{dec(0, 0).Dec, Quantity{i: int64Amount{value: 0, scale: 0}, d: infDecAmount{dec(0, 0).Dec}, s: "0", Format: DecimalSI}},
{dec(10, 0).Dec, Quantity{i: int64Amount{value: 0, scale: 0}, d: infDecAmount{dec(10, 0).Dec}, s: "10", Format: DecimalSI}},
{dec(-10, 0).Dec, Quantity{i: int64Amount{value: 0, scale: 0}, d: infDecAmount{dec(-10, 0).Dec}, s: "-10", Format: DecimalSI}},
}
for _, testCase := range table2 {
q := Quantity{d: infDecAmount{testCase.dec}, Format: DecimalSI}
// Won't currently get an error as MarshalTo can't return one
result, _ := q.Marshal()
q.Unmarshal(result)
if q.Cmp(testCase.expect) != 0 {
t.Errorf("Expected: %v, Actual: %v", testCase.expect, q)
}
}
}
func TestQuantityProtoUnmarshal(t *testing.T) {
// Test when d is nil
table := []struct {
input Quantity
expect string
}{
{Quantity{i: int64Amount{value: 0, scale: 0}, s: "0", Format: DecimalSI}, "0"},
{Quantity{i: int64Amount{value: 100, scale: -3}, s: "100m", Format: DecimalSI}, "100m"},
{Quantity{i: int64Amount{value: 50, scale: -3}, s: "50m", Format: DecimalSI}, "50m"},
{Quantity{i: int64Amount{value: 10000, scale: 12}, s: "10000T", Format: DecimalSI}, "10000T"},
}
for _, testCase := range table {
var inputQ Quantity
expectQ := MustParse(testCase.expect)
inputByteArray, _ := testCase.input.Marshal()
inputQ.Unmarshal(inputByteArray)
if inputQ.Cmp(expectQ) != 0 {
t.Errorf("Expected: %v, Actual: %v", inputQ, expectQ)
}
}
// Test when i is {0,0}
table2 := []struct {
input Quantity
expect *inf.Dec
}{
{Quantity{i: int64Amount{value: 0, scale: 0}, d: infDecAmount{dec(0, 0).Dec}, s: "0", Format: DecimalSI}, dec(0, 0).Dec},
{Quantity{i: int64Amount{value: 0, scale: 0}, d: infDecAmount{dec(10, 0).Dec}, s: "10", Format: DecimalSI}, dec(10, 0).Dec},
{Quantity{i: int64Amount{value: 0, scale: 0}, d: infDecAmount{dec(-10, 0).Dec}, s: "-10", Format: DecimalSI}, dec(-10, 0).Dec},
}
for _, testCase := range table2 {
var inputQ Quantity
expectQ := Quantity{d: infDecAmount{testCase.expect}, Format: DecimalSI}
inputByteArray, _ := testCase.input.Marshal()
inputQ.Unmarshal(inputByteArray)
if inputQ.Cmp(expectQ) != 0 {
t.Errorf("Expected: %v, Actual: %v", inputQ, expectQ)
}
}
}

54
staging/src/k8s.io/apimachinery/pkg/api/resource/quantity_test.go
View File

@ -79,6 +79,17 @@ func TestQuantityParseZero(t *testing.T) {
}
}
// TestQuantityParseNonNumericError ensures that when a non-numeric string is parsed
// it panics
func TestQuantityParseNonNumericPanic(t *testing.T) {
defer func() {
if r := recover(); r == nil {
t.Errorf("MustParse did not panic")
}
}()
_ = MustParse("Non-Numeric")
}
// TestQuantityAddZeroPreservesSuffix verifies that a suffix is preserved
// independent of the order of operations when adding a zero and non-zero val
func TestQuantityAddZeroPreservesSuffix(t *testing.T) {
@ -140,6 +151,7 @@ func TestQuantityCanocicalizeZero(t *testing.T) {
}
func TestQuantityCmp(t *testing.T) {
// Test when d is nil
table := []struct {
x string
y string
@ -157,8 +169,8 @@ func TestQuantityCmp(t *testing.T) {
t.Errorf("X: %v, Y: %v, Expected: %v, Actual: %v", testCase.x, testCase.y, testCase.expect, result)
}
}
nils := []struct {
// Test when i is {0,0}
table2 := []struct {
x *inf.Dec
y *inf.Dec
expect int
@ -172,11 +184,11 @@ func TestQuantityCmp(t *testing.T) {
{dec(10, 0).Dec, nil, 1},
{dec(-10, 0).Dec, nil, -1},
}
for _, nilCase := range nils {
q1 := Quantity{d: infDecAmount{nilCase.x}, Format: DecimalSI}
q2 := Quantity{d: infDecAmount{nilCase.y}, Format: DecimalSI}
if result := q1.Cmp(q2); result != nilCase.expect {
t.Errorf("X: %v, Y: %v, Expected: %v, Actual: %v", nilCase.x, nilCase.y, nilCase.expect, result)
for _, testCase := range table2 {
q1 := Quantity{d: infDecAmount{testCase.x}, Format: DecimalSI}
q2 := Quantity{d: infDecAmount{testCase.y}, Format: DecimalSI}
if result := q1.Cmp(q2); result != testCase.expect {
t.Errorf("X: %v, Y: %v, Expected: %v, Actual: %v", testCase.x, testCase.y, testCase.expect, result)
}
}
}
@ -799,6 +811,34 @@ var fuzzer = fuzz.New().Funcs(
},
)
func TestQuantityDeepCopy(t *testing.T) {
// Test when d is nil
slice := []string{"0", "100m", "50m", "10000T"}
for _, testCase := range slice {
q := MustParse(testCase)
if result := q.DeepCopy(); result != q {
t.Errorf("Expected: %v, Actual: %v", q, result)
}
}
table := []*inf.Dec{
dec(0, 0).Dec,
dec(10, 0).Dec,
dec(-10, 0).Dec,
}
// Test when i is {0,0}
for _, testCase := range table {
q := Quantity{d: infDecAmount{testCase}, Format: DecimalSI}
result := q.DeepCopy()
if q.d.Cmp(result.AsDec()) != 0 {
t.Errorf("Expected: %v, Actual: %v", q.String(), result.String())
}
result = Quantity{d: infDecAmount{dec(2, 0).Dec}, Format: DecimalSI}
if q.d.Cmp(result.AsDec()) == 0 {
t.Errorf("Modifying result has affected q")
}
}
}
func TestJSON(t *testing.T) {
for i := 0; i < 500; i++ {
q := &Quantity{}