golang unit test with vscode

golang_vscode_unit_test.md

1. create salam.go
2. create main.go
3. open salam.go on vs-code
4. put your pointer to CreateSalam method.
5. righ-click, select 'Generate Tests for Function'. this will create a new file salam_test.go
6. run go test ./...

main.go

package main

func main() {
	o := Salam{}
	o.CreateSalam("pagi")
}

salam.go

package main

// Salam ..
type Salam struct {
}

// CreateSalam create salam
func (s *Salam) CreateSalam(waktu string) string {
	if waktu == "pagi" {
		return "pagi"
	}

	return "hello"
}

salam_test.go

package main

import "testing"

func TestSalam_CreateSalam(t *testing.T) {
	type args struct {
		waktu string
	}
	tests := []struct {
		name string
		s    *Salam
		args args
		want string
	}{
		{
			name: "pagi",
			s:    &Salam{},
			args: args{"pagi"},
			want: "pagi",
		},
		{
			name: "pagi",
			s:    &Salam{},
			args: args{"malam"},
			want: "hello",
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			s := &Salam{}
			if got := s.CreateSalam(tt.args.waktu); got != tt.want {
				t.Errorf("Salam.CreateSalam() = %v, want %v", got, tt.want)
			}
		})
	}
}

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