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lflag_test.go
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lflag_test.go
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package lflag
import (
"sync"
. "testing"
"time"
"github.com/stretchr/testify/assert"
)
// these are used in the cli and env tests
var testParams = []Param{
Param{ParamType: ParamTypeString, Name: "foo"},
Param{ParamType: ParamTypeString, Name: "bar", Usage: "wut"},
Param{ParamType: ParamTypeString, Name: "baz", Usage: "wut", Default: "wat"},
Param{ParamType: ParamTypeBool, Name: "flag1"},
Param{ParamType: ParamTypeBool, Name: "flag2"},
Param{ParamType: ParamTypeString, Name: "foo-bar"},
}
type jstruct struct {
Foo string `json:"foo"`
Bar int `json:"bar"`
}
func TestParse(t *T) {
s := String("str", "default", "Some string")
i := Int("int", 5, "Some int")
b := Bool("bool", false, "Some bool")
bf := Bool("bool-false", true, "Some bool")
d := Duration("dur", 10*time.Second, "Some duration")
var j jstruct
JSON(&j, "json", jstruct{Foo: "foo", Bar: 5}, "Some json")
Parse(SourceStub{
"str": "hello",
"int": "8",
"bool": "true",
"bool-false": "false",
"dur": "5m",
"json": `{"foo":"FOO","bar":10}`,
})
assert.Equal(t, "hello", *s)
assert.Equal(t, 8, *i)
assert.True(t, *b)
assert.False(t, *bf)
assert.Equal(t, 5*time.Minute, *d)
assert.Equal(t, jstruct{Foo: "FOO", Bar: 10}, j)
}
func TestParseDefault(t *T) {
s := String("str", "default", "Some string")
i := Int("int", 5, "Some int")
b := Bool("bool", true, "Some bool")
d := Duration("dur", 10*time.Second, "Some duration")
var j jstruct
JSON(&j, "json", jstruct{Foo: "foo", Bar: 5}, "Some json")
Parse(SourceStub{})
assert.Equal(t, "default", *s)
assert.Equal(t, 5, *i)
assert.True(t, *b)
assert.Equal(t, 10*time.Second, *d)
assert.Equal(t, jstruct{Foo: "foo", Bar: 5}, j)
}
func TestParseRequired(t *T) {
s := RequiredString("str", "Some string")
i := RequiredInt("int", "Some int")
b := RequiredBool("bool", "Some bool")
d := RequiredDuration("dur", "Some duration")
var j jstruct
RequiredJSON(&j, "json", "Some json")
Parse(SourceStub{
"str": "hello",
"int": "8",
"bool": "true",
"dur": "5h",
"json": `{"foo":"FOO","bar":10}`,
})
assert.Equal(t, "hello", *s)
assert.Equal(t, 8, *i)
assert.True(t, *b)
assert.Equal(t, 5*time.Hour, *d)
assert.Equal(t, jstruct{Foo: "FOO", Bar: 10}, j)
}
func TestDo(t *T) {
Reset()
// we shouldn't need a lock but we do because the race detector is sensitive
var i int
var il sync.Mutex
Do(func() {
il.Lock()
assert.Equal(t, 0, i)
i++
il.Unlock()
Do(func() {
il.Lock()
assert.Equal(t, 2, i)
i++
il.Unlock()
})
})
Do(func() {
il.Lock()
assert.Equal(t, 1, i)
i++
il.Unlock()
Do(func() {
il.Lock()
assert.Equal(t, 3, i)
i++
il.Unlock()
Do(func() {
il.Lock()
assert.Equal(t, 4, i)
i++
il.Unlock()
})
})
})
Parse(SourceStub{})
ch := make(chan bool)
Do(func() {
il.Lock()
assert.Equal(t, 5, i)
i++
il.Unlock()
Do(func() {
il.Lock()
assert.Equal(t, 6, i)
i++
il.Unlock()
close(ch)
})
})
<-ch
assert.Equal(t, 7, i)
}