init go code

.github/workflows/go.yaml

@@ -1,26 +1,20 @@
-name: Node.js tests
+name: Go
 
-on: [push]
+on: [ push ]
 
 jobs:
   build:
+    name: Build
     runs-on: ubuntu-latest
-
-    strategy:
-      matrix:
-        node-version: [8.x, 12.x]
-
     steps:
-    - uses: actions/checkout@v1
-    - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v1
+      - name: Set up Go 1.15
+        uses: actions/setup-go@v1
         with:
-        node-version: ${{ matrix.node-version }}
+          go-version: 1.15
+        id: go
 
-    - name: npm install and test
-      run: |
-        npm install
-        npm test
-      env:
-        CI: true
-        NODE_ENV: test
+      - name: Check out code into the Go module directory
+        uses: actions/checkout@v2
+
+      - name: Test
+        run: go test -race -v -bench=. ./...

.gitignore

@@ -1 +1 @@
-
+.idea

go.mod

@@ -0,0 +1,5 @@
+module github.com/sundowndev/algorithms
+
+go 1.15
+
+require github.com/stretchr/testify v1.6.1

go.sum

@@ -0,0 +1,11 @@
+github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.6.1 h1:hDPOHmpOpP40lSULcqw7IrRb/u7w6RpDC9399XyoNd0=
+github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

shuffle/shuffle.go

@@ -0,0 +1,5 @@
+package shuffle
+
+func shuffle(arr string) string {
+	return arr
+}

shuffle/shuffle_test.go

@@ -0,0 +1,28 @@
+package shuffle
+
+import (
+	assertTest "github.com/stretchr/testify/assert"
+	"testing"
+)
+
+func TestShuffle(t *testing.T) {
+	assert := assertTest.New(t)
+
+	t.Run("should shuffle string", func(t *testing.T) {
+		payload := "my payload to shuffle"
+
+		assert.NotEqual(payload, shuffle(payload))
+	})
+
+	t.Run("should shuffle string", func(t *testing.T) {
+		payload := "a"
+
+		assert.Equal(payload, shuffle(payload))
+	})
+
+	t.Run("should shuffle string", func(t *testing.T) {
+		payload := "ab"
+
+		assert.Equal(payload, shuffle(payload))
+	})
+}