libgo/go/os/exec/env_test.go

   1 // Copyright 2017 The Go Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style
   3 // license that can be found in the LICENSE file.
   4
   5 package exec
   6
   7 import (
   8         "reflect"
   9         "testing"
  10 )
  11
  12 func TestDedupEnv(t *testing.T) {
  13         tests := []struct {
  14                 noCase bool
  15                 in     []string
  16                 want   []string
  17         }{
  18                 {
  19                         noCase: true,
  20                         in:     []string{"k1=v1", "k2=v2", "K1=v3"},
  21                         want:   []string{"K1=v3", "k2=v2"},
  22                 },
  23                 {
  24                         noCase: false,
  25                         in:     []string{"k1=v1", "K1=V2", "k1=v3"},
  26                         want:   []string{"k1=v3", "K1=V2"},
  27                 },
  28                 {
  29                         in:   []string{"=a", "=b", "foo", "bar"},
  30                         want: []string{"=b", "foo", "bar"},
  31                 },
  32         }
  33         for _, tt := range tests {
  34                 got := dedupEnvCase(tt.noCase, tt.in)
  35                 if !reflect.DeepEqual(got, tt.want) {
  36                         t.Errorf("Dedup(%v, %q) = %q; want %q", tt.noCase, tt.in, got, tt.want)
  37                 }
  38         }
  39 }