1package spec
 2
 3// establish context (e.g. "when creating a new sparkle")
 4// because of (e.g. "with an empty body")
 5// it behaves like (e.g. "it returns an error message")
 6type Context struct {
 7	because BecauseFunc
 8	its     []ItFunc
 9	state   map[string]interface{}
10}
11type ContextFunc func(*Context)
12type BecauseFunc func()
13type ItFunc func()
14
15func Establish(x ContextFunc) {
16	context := Context{
17		its:     []ItFunc{},
18		because: func() {},
19		state:   make(map[string]interface{}),
20	}
21	x(&context)
22	context.because()
23	for _, it := range context.its {
24		it()
25	}
26}
27
28func (c *Context) Because(b BecauseFunc) {
29	c.because = b
30}
31
32func (c *Context) It(it ItFunc) {
33	c.its = append(c.its, it)
34}
35
36func (c *Context) Let(key string, value interface{}) *Context {
37	c.state[key] = value
38	return c
39}
40
41func (c *Context) Set(key string, value interface{}) *Context {
42	return c.Let(key, value)
43}
44
45func (c *Context) Get(key string) interface{} {
46	return c.state[key]
47}