mirror of https://github.com/docker/docs.git
71 lines
1.2 KiB
Go
71 lines
1.2 KiB
Go
package utils
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestCreateStack(t *testing.T) {
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s := NewStack()
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assert.NotNil(t, s)
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}
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func TestPush(t *testing.T) {
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s := NewStack()
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s.Push("foo")
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assert.Len(t, s.s, 1)
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assert.Equal(t, "foo", s.s[0])
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}
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func TestPop(t *testing.T) {
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s := NewStack()
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s.Push("foo")
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i, err := s.Pop()
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assert.NoError(t, err)
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assert.Len(t, s.s, 0)
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assert.IsType(t, "", i)
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assert.Equal(t, "foo", i)
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}
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func TestPopEmpty(t *testing.T) {
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s := NewStack()
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_, err := s.Pop()
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assert.Error(t, err)
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assert.IsType(t, ErrEmptyStack{}, err)
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}
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func TestPopString(t *testing.T) {
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s := NewStack()
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s.Push("foo")
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i, err := s.PopString()
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assert.NoError(t, err)
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assert.Len(t, s.s, 0)
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assert.Equal(t, "foo", i)
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}
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func TestPopStringWrongType(t *testing.T) {
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s := NewStack()
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s.Push(123)
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_, err := s.PopString()
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assert.Error(t, err)
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assert.IsType(t, ErrBadTypeCast{}, err)
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assert.Len(t, s.s, 1)
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}
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func TestPopStringEmpty(t *testing.T) {
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s := NewStack()
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_, err := s.PopString()
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assert.Error(t, err)
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assert.IsType(t, ErrEmptyStack{}, err)
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}
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func TestEmpty(t *testing.T) {
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s := NewStack()
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assert.True(t, s.Empty())
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s.Push("foo")
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assert.False(t, s.Empty())
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s.Pop()
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assert.True(t, s.Empty())
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}
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