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Added some helpers
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commit
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4 changed files with 92 additions and 0 deletions
6
.travis.yml
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6
.travis.yml
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language: go
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go:
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- 1.5
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- 1.6
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- tip
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13
go_helpers_suite_test.go
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13
go_helpers_suite_test.go
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package helpers_test
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import (
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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"testing"
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)
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func TestGoHelpers(t *testing.T) {
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RegisterFailHandler(Fail)
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RunSpecs(t, "GoHelpers Suite")
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}
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21
slice.go
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21
slice.go
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package helpers
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// AppendIfMissing adds a string to a slice when it's not present yet
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func AppendIfMissing(slice []string, s string) []string {
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for _, e := range slice {
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if e == s {
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return slice
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}
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}
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return append(slice, s)
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}
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// StringInSlice checks for the existence of a string in the slice
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func StringInSlice(a string, list []string) bool {
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for _, b := range list {
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if b == a {
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return true
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}
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}
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return false
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}
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52
slice_test.go
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52
slice_test.go
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package helpers_test
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import (
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. "github.com/Luzifer/go_helpers"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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)
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var _ = Describe("Slice", func() {
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Context("AppendIfMissing", func() {
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var sl = []string{
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"test1",
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"test2",
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"test3",
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}
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It("should not append existing elements", func() {
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Expect(len(AppendIfMissing(sl, "test1"))).To(Equal(3))
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Expect(len(AppendIfMissing(sl, "test2"))).To(Equal(3))
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Expect(len(AppendIfMissing(sl, "test3"))).To(Equal(3))
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})
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It("should append not existing elements", func() {
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Expect(len(AppendIfMissing(sl, "test4"))).To(Equal(4))
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Expect(len(AppendIfMissing(sl, "test5"))).To(Equal(4))
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Expect(len(AppendIfMissing(sl, "test6"))).To(Equal(4))
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})
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})
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Context("StringInSlice", func() {
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var sl = []string{
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"test1",
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"test2",
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"test3",
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}
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It("should find elements of slice", func() {
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Expect(StringInSlice("test1", sl)).To(Equal(true))
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Expect(StringInSlice("test2", sl)).To(Equal(true))
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Expect(StringInSlice("test3", sl)).To(Equal(true))
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})
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It("should not find elements not in slice", func() {
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Expect(StringInSlice("test4", sl)).To(Equal(false))
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Expect(StringInSlice("test5", sl)).To(Equal(false))
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Expect(StringInSlice("test6", sl)).To(Equal(false))
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})
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})
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})
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