/
envconf_test.go
450 lines (359 loc) · 12.9 KB
/
envconf_test.go
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// Copyright 2016 Stefan Böhmann.
// Use of this source code is governed by a MIT style
// license that can be found in the LICENSE file.
package envconf
import (
"testing"
"time"
"github.com/stretchr/testify/assert"
)
const EPSILON = float64(0.00000001)
func floatEquals(a, b float64) bool {
if (a-b) < EPSILON && (b-a) < EPSILON {
return true
}
return false
}
func TestPrepareKey(t *testing.T) {
assert := assert.New(t)
assert.Empty(prepareKey(""))
assert.NotEmpty(prepareKey("ID"))
assert.Equal("ID", prepareKey("ID"))
assert.Equal("ID", prepareKey("id"))
assert.Equal("ID", prepareKey("id "))
assert.Equal("ID", prepareKey(" id "))
assert.Equal("FOO_BAR", prepareKey("FOO_BAR"))
assert.Equal("FOO_BAR", prepareKey("foo_bar"))
assert.Equal("FOO_BAR", prepareKey("foo_bar "))
assert.Equal("FOO_BAR", prepareKey(" foo_bar "))
assert.Equal("FOO_BAR", prepareKey("Foo Bar"))
assert.Equal("FOO_BAR", prepareKey(" FOO BAR "))
assert.NotEqual("Max Mustermann", prepareKey("Max Mustermann"))
SetPrefix("foo")
assert.Equal("FOO_FOO_BAR", prepareKey("FOO_BAR"))
SetPrefix("")
assert.Equal("FOO_BAR", prepareKey("FOO_BAR"))
}
func TestParseBool(t *testing.T) {
assert := assert.New(t)
// Test true
for _, k := range []string{"", "1", "y", "Y", "true", "True", "TRUE", "yes", "Yes", "YES", "On", "on", "ON"} {
value, okay := parseBool(k)
assert.True(value, "Boolean value of \""+k+"\" is false but should be true")
assert.True(okay, "Parsing \""+k+"\" as boolean failed")
}
// Test false
for _, k := range []string{"0", "n", "N", "false", "False", "FALSE", "no", "No", "NO", "Off", "off", "OFF"} {
value, okay := parseBool(k)
assert.False(value, "Boolean value of \""+k+"\" is true but should be false")
assert.True(okay, "Parsing \""+k+"\" as boolean failed")
}
// Test invalid
for _, k := range []string{"foo", "Disabled", "Enabled", "12", "-1", "2"} {
value, okay := parseBool(k)
assert.False(value, "Boolean value of \""+k+"\" is true but should be false")
assert.False(okay, "Parsing \""+k+"\" as boolean should fail!")
}
}
func TestPrefix(t *testing.T) {
assert := assert.New(t)
assert.Empty(GetPrefix())
SetPrefix("foo")
assert.NotEmpty(GetPrefix())
assert.Equal("FOO_", GetPrefix())
SetPrefix(" BAR ")
assert.NotEmpty(GetPrefix())
assert.Equal("BAR_", GetPrefix())
SetPrefix(" FOO BAR ")
assert.NotEmpty(GetPrefix())
assert.Equal("FOO_BAR_", GetPrefix())
SetPrefix("")
assert.Empty(GetPrefix())
SetPrefix(" ")
assert.Empty(GetPrefix())
}
func TestString(t *testing.T) {
assert := assert.New(t)
UnsetKey("envconf_test_0815")
str, ok := GetString("envconf_test_0815")
assert.False(ok)
assert.Empty(str)
assert.False(IssetKey("envconf_test_0815"))
SetString("envconf_test_0815", "")
assert.True(IssetKey("envconf_test_0815"))
assert.Equal("", MustGetString("envconf_test_0815"))
SetString("envconf_test_0815", "Foo Bar 42")
str, ok = GetString("envconf_test_0815")
assert.True(ok)
assert.NotEmpty(str)
assert.Equal("Foo Bar 42", str)
SetDefaultString("envconf_test_0815", "Bar Foo 98")
str, ok = GetString("envconf_test_0815")
assert.True(ok)
assert.NotEmpty(str)
assert.Equal("Foo Bar 42", str)
UnsetKey("envconf_test_0815")
str, ok = GetString("envconf_test_0815")
assert.False(ok)
assert.Empty(str)
SetDefaultString("envconf_test_3345", "34")
str, ok = GetString("envconf_test_3345")
assert.True(ok)
assert.NotEmpty(str)
assert.Equal("34", str)
SetString("envconf_test_3345", "23")
str = MustGetString("envconf_test_3345")
assert.NotEmpty(str)
assert.Equal("23", str)
SetString("envconf_test_3345", "")
str, ok = GetString("envconf_test_3345")
assert.True(ok)
assert.Empty(str)
assert.Equal("", str)
assert.True(IssetKey("envconf_test_3345"))
UnsetKey("envconf_test_3345")
assert.False(IssetKey("envconf_test_3345"))
assert.Panics(func() { MustGetString("envconf_test_3345") })
}
func TestBool(t *testing.T) {
assert := assert.New(t)
UnsetKey("envconf_test_bool_1")
str, ok := GetString("envconf_test_bool_1")
assert.False(ok)
assert.Empty(str)
UnsetKey("envconf_test_bool_2")
str, ok = GetString("envconf_test_bool_2")
assert.False(ok)
assert.Empty(str)
// Not existing environment variable equals false
v, ok := GetBool("envconf_test_bool_1")
assert.False(v)
assert.True(ok)
assert.False(MustGetBool("envconf_test_bool_1"))
// A empty variable is considered to be true
SetString("envconf_test_bool_1", "")
v, ok = GetBool("envconf_test_bool_1")
assert.True(v)
assert.True(ok)
assert.True(MustGetBool("envconf_test_bool_1"))
SetString("envconf_test_bool_1", "1")
v, ok = GetBool("envconf_test_bool_1")
assert.True(v)
assert.True(ok)
assert.True(MustGetBool("envconf_test_bool_1"))
SetString("envconf_test_bool_1", "0")
v, ok = GetBool("envconf_test_bool_1")
assert.False(v)
assert.True(ok)
assert.False(MustGetBool("envconf_test_bool_1"))
SetString("envconf_test_bool_1", "blah")
v, ok = GetBool("envconf_test_bool_1")
assert.False(v)
assert.False(ok)
assert.Panics(func() { MustGetBool("envconf_test_bool_1") })
UnsetKey("envconf_test_bool_1")
UnsetKey("envconf_test_bool_2")
SetBool("envconf_test_bool_1", true)
assert.True(MustGetBool("envconf_test_bool_1"))
assert.False(MustGetBool("envconf_test_bool_2"))
SetDefaultBool("envconf_test_bool_1", false)
assert.True(MustGetBool("envconf_test_bool_1"))
assert.False(MustGetBool("envconf_test_bool_2"))
SetDefaultBool("envconf_test_bool_2", true)
assert.True(MustGetBool("envconf_test_bool_1"))
assert.True(MustGetBool("envconf_test_bool_2"))
SetBool("envconf_test_bool_2", false)
SetDefaultBool("envconf_test_bool_1", false)
SetDefaultBool("envconf_test_bool_2", false)
assert.True(MustGetBool("envconf_test_bool_1"))
assert.False(MustGetBool("envconf_test_bool_2"))
}
func TestDuration(t *testing.T) {
assert := assert.New(t)
UnsetKey("envconf_test1")
UnsetKey("envconf_test2")
v, ok := GetDuration("envconf_test1")
assert.False(ok)
assert.Zero(v)
assert.Panics(func() { MustGetDuration("envconf_test1") })
SetString("envconf_test1", "blahBlah")
v, ok = GetDuration("envconf_test1")
assert.False(ok)
assert.Zero(v)
assert.Panics(func() { MustGetDuration("envconf_test1") })
SetString("envconf_test1", "15s")
v, ok = GetDuration("envconf_test1")
assert.True(ok)
assert.Equal(15*time.Second, v)
assert.Equal(15*time.Second, MustGetDuration("envconf_test1"))
SetDefaultDuration("envconf_test1", 12*time.Millisecond)
v, ok = GetDuration("envconf_test1")
assert.True(ok)
assert.Equal(15*time.Second, v)
assert.Equal(15*time.Second, MustGetDuration("envconf_test1"))
SetDefaultDuration("envconf_test2", 33*time.Millisecond)
v, ok = GetDuration("envconf_test2")
assert.True(ok)
assert.Equal(33*time.Millisecond, v)
assert.Equal(33*time.Millisecond, MustGetDuration("envconf_test2"))
}
func TestFloat64(t *testing.T) {
assert := assert.New(t)
UnsetKey("envconf_test1")
UnsetKey("envconf_test2")
v, ok := GetFloat64("envconf_test1")
assert.False(ok)
assert.Zero(v)
assert.Panics(func() { MustGetFloat64("envconf_test1") })
SetString("envconf_test1", "blahBlah")
v, ok = GetFloat64("envconf_test1")
assert.False(ok)
assert.Zero(v)
assert.Panics(func() { MustGetFloat64("envconf_test1") })
SetString("envconf_test1", "83.3")
v, ok = GetFloat64("envconf_test1")
assert.True(ok)
assert.True(floatEquals(83.3, v))
assert.True(floatEquals(83.3, MustGetFloat64("envconf_test1")))
SetDefaultFloat64("envconf_test1", -434.43202)
v, ok = GetFloat64("envconf_test1")
assert.True(ok)
assert.True(floatEquals(83.3, v))
assert.True(floatEquals(83.3, MustGetFloat64("envconf_test1")))
SetDefaultFloat64("envconf_test2", -0.3424562)
v, ok = GetFloat64("envconf_test2")
assert.True(ok)
assert.True(floatEquals(-0.3424562, v))
assert.True(floatEquals(-0.3424562, MustGetFloat64("envconf_test2")))
}
func TestInt(t *testing.T) {
assert := assert.New(t)
UnsetKey("envconf_test1")
UnsetKey("envconf_test2")
v, ok := GetInt("envconf_test1")
assert.False(ok)
assert.Zero(v)
assert.Panics(func() { MustGetInt("envconf_test1") })
SetString("envconf_test1", "blahBlah")
v, ok = GetInt("envconf_test1")
assert.False(ok)
assert.Zero(v)
assert.Panics(func() { MustGetInt("envconf_test1") })
SetString("envconf_test1", "42")
v, ok = GetInt("envconf_test1")
assert.True(ok)
assert.Equal(42, v)
assert.Equal(42, MustGetInt("envconf_test1"))
SetDefaultInt("envconf_test1", -5)
v, ok = GetInt("envconf_test1")
assert.True(ok)
assert.Equal(42, v)
assert.Equal(42, MustGetInt("envconf_test1"))
SetDefaultInt("envconf_test2", -33)
v, ok = GetInt("envconf_test2")
assert.True(ok)
assert.Equal(-33, v)
assert.Equal(-33, MustGetInt("envconf_test2"))
}
func TestInt64(t *testing.T) {
assert := assert.New(t)
UnsetKey("envconf_test1")
UnsetKey("envconf_test2")
v, ok := GetInt64("envconf_test1")
assert.False(ok)
assert.Zero(v)
assert.Panics(func() { MustGetInt64("envconf_test1") })
SetString("envconf_test1", "blahBlah")
v, ok = GetInt64("envconf_test1")
assert.False(ok)
assert.Zero(v)
assert.Panics(func() { MustGetInt64("envconf_test1") })
SetString("envconf_test1", "42")
v, ok = GetInt64("envconf_test1")
assert.True(ok)
assert.Equal(int64(42), v)
assert.Equal(int64(42), MustGetInt64("envconf_test1"))
SetDefaultInt64("envconf_test1", int64(-5))
v, ok = GetInt64("envconf_test1")
assert.True(ok)
assert.Equal(int64(42), v)
assert.Equal(int64(42), MustGetInt64("envconf_test1"))
SetDefaultInt64("envconf_test2", int64(-33))
v, ok = GetInt64("envconf_test2")
assert.True(ok)
assert.Equal(int64(-33), v)
assert.Equal(int64(-33), MustGetInt64("envconf_test2"))
SetInt64("envconf_test2", int64(-9223372036854775807))
v, ok = GetInt64("envconf_test2")
assert.True(ok)
assert.Equal(int64(-9223372036854775807), v)
assert.Equal(int64(-9223372036854775807), MustGetInt64("envconf_test2"))
}
func TestUInt(t *testing.T) {
assert := assert.New(t)
UnsetKey("envconf_test1")
UnsetKey("envconf_test2")
v, ok := GetUInt("envconf_test1")
assert.False(ok)
assert.Zero(v)
assert.Panics(func() { MustGetUInt("envconf_test1") })
SetString("envconf_test1", "blahBlah")
v, ok = GetUInt("envconf_test1")
assert.False(ok)
assert.Zero(v)
assert.Panics(func() { MustGetUInt("envconf_test1") })
SetString("envconf_test1", "42")
v, ok = GetUInt("envconf_test1")
assert.True(ok)
assert.Equal(uint(42), v)
assert.Equal(uint(42), MustGetUInt("envconf_test1"))
SetDefaultUInt("envconf_test1", uint(5))
v, ok = GetUInt("envconf_test1")
assert.True(ok)
assert.Equal(uint(42), v)
assert.Equal(uint(42), MustGetUInt("envconf_test1"))
SetDefaultUInt("envconf_test2", uint(33))
v, ok = GetUInt("envconf_test2")
assert.True(ok)
assert.Equal(uint(33), v)
assert.Equal(uint(33), MustGetUInt("envconf_test2"))
SetInt("envconf_test2", -4)
v, ok = GetUInt("envconf_test2")
assert.False(ok)
assert.Equal(uint(0), v)
assert.Panics(func() { MustGetUInt("envconf_test2") })
}
func TestUInt64(t *testing.T) {
assert := assert.New(t)
UnsetKey("envconf_test1")
UnsetKey("envconf_test2")
v, ok := GetUInt64("envconf_test1")
assert.False(ok)
assert.Zero(v)
assert.Panics(func() { MustGetUInt64("envconf_test1") })
SetString("envconf_test1", "blahBlah")
v, ok = GetUInt64("envconf_test1")
assert.False(ok)
assert.Zero(v)
assert.Panics(func() { MustGetUInt64("envconf_test1") })
SetString("envconf_test1", "42")
v, ok = GetUInt64("envconf_test1")
assert.True(ok)
assert.Equal(uint64(42), v)
assert.Equal(uint64(42), MustGetUInt64("envconf_test1"))
SetDefaultUInt64("envconf_test1", uint64(5))
v, ok = GetUInt64("envconf_test1")
assert.True(ok)
assert.Equal(uint64(42), v)
assert.Equal(uint64(42), MustGetUInt64("envconf_test1"))
SetDefaultUInt64("envconf_test2", uint64(9223372036854775809))
v, ok = GetUInt64("envconf_test2")
assert.True(ok)
assert.Equal(uint64(9223372036854775809), v)
assert.Equal(uint64(9223372036854775809), MustGetUInt64("envconf_test2"))
SetInt("envconf_test2", -4)
v, ok = GetUInt64("envconf_test2")
assert.False(ok)
assert.Equal(uint64(0), v)
assert.Panics(func() { MustGetUInt64("envconf_test2") })
}