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New static configuration loading system.

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Co-authored-by: Mathieu Lonjaret <mathieu.lonjaret@gmail.com>
This commit is contained in:
Ludovic Fernandez 2019-06-17 11:48:05 +02:00 • committed by Traefiker Bot
parent d18edd6f77
commit 8d7eccad5d
165 changed files with 10894 additions and 6076 deletions
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255
pkg/config/flag/flagparser_test.go Normal file
View file

@ -0,0 +1,255 @@
package flag
import (
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestParse(t *testing.T) {
testCases := []struct {
desc string
args []string
element interface{}
expected map[string]string
}{
{
desc: "no args",
args: nil,
expected: map[string]string{},
},
{
desc: "bool value",
args: []string{"--foo"},
element: &struct {
Foo bool
}{},
expected: map[string]string{
"traefik.foo": "true",
},
},
{
desc: "equal",
args: []string{"--foo=bar"},
element: &struct {
Foo string
}{},
expected: map[string]string{
"traefik.foo": "bar",
},
},
{
desc: "space separated",
args: []string{"--foo", "bar"},
element: &struct {
Foo string
}{},
expected: map[string]string{
"traefik.foo": "bar",
},
},
{
desc: "space separated with end of parameter",
args: []string{"--foo=bir", "--", "--bar"},
element: &struct {
Foo string
}{},
expected: map[string]string{
"traefik.foo": "bir",
},
},
{
desc: "multiple bool flags without value",
args: []string{"--foo", "--bar"},
element: &struct {
Foo bool
Bar bool
}{},
expected: map[string]string{
"traefik.foo": "true",
"traefik.bar": "true",
},
},
{
desc: "slice with several flags",
args: []string{"--foo=bar", "--foo=baz"},
element: &struct {
Foo []string
}{},
expected: map[string]string{
"traefik.foo": "bar,baz",
},
},
{
desc: "map string",
args: []string{"--foo.name=bar"},
element: &struct {
Foo map[string]string
}{},
expected: map[string]string{
"traefik.foo.name": "bar",
},
},
{
desc: "map struct",
args: []string{"--foo.name.value=bar"},
element: &struct {
Foo map[string]struct{ Value string }
}{},
expected: map[string]string{
"traefik.foo.name.value": "bar",
},
},
{
desc: "map struct with sub-struct",
args: []string{"--foo.name.bar.value=bar"},
element: &struct {
Foo map[string]struct {
Bar *struct{ Value string }
}
}{},
expected: map[string]string{
"traefik.foo.name.bar.value": "bar",
},
},
{
desc: "map struct with sub-map",
args: []string{"--foo.name1.bar.name2.value=bar"},
element: &struct {
Foo map[string]struct {
Bar map[string]struct{ Value string }
}
}{},
expected: map[string]string{
"traefik.foo.name1.bar.name2.value": "bar",
},
},
{
desc: "slice with several flags 2",
args: []string{"--foo", "bar", "--foo", "baz"},
element: &struct {
Foo []string
}{},
expected: map[string]string{
"traefik.foo": "bar,baz",
},
},
{
desc: "slice with several flags 3",
args: []string{"--foo", "bar", "--foo=", "--baz"},
element: &struct {
Foo []string
Baz bool
}{},
expected: map[string]string{
"traefik.foo": "bar,",
"traefik.baz": "true",
},
},
{
desc: "slice with several flags 4",
args: []string{"--foo", "bar", "--foo", "--baz"},
element: &struct {
Foo []string
Baz bool
}{},
expected: map[string]string{
"traefik.foo": "bar,--baz",
},
},
{
desc: "multiple string flag",
element: &struct {
Foo string
}{},
args: []string{"--foo=bar", "--foo=baz"},
expected: map[string]string{
"traefik.foo": "baz",
},
},
{
desc: "multiple string flag 2",
element: &struct {
Foo string
}{},
args: []string{"--foo", "bar", "--foo", "baz"},
expected: map[string]string{
"traefik.foo": "baz",
},
},
{
desc: "string without value",
element: &struct {
Foo string
Bar bool
}{},
args: []string{"--foo", "--bar"},
expected: map[string]string{
"traefik.foo": "--bar",
},
},
{
desc: "struct pointer value",
args: []string{"--foo"},
element: &struct {
Foo *struct{ Field string }
}{},
expected: map[string]string{
"traefik.foo": "true",
},
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
fl, err := Parse(test.args, test.element)
require.NoError(t, err)
assert.Equal(t, test.expected, fl)
})
}
}
func TestParse_Errors(t *testing.T) {
testCases := []struct {
desc string
args []string
element interface{}
}{
{
desc: "triple hyphen",
args: []string{"---foo"},
element: &struct {
Foo bool
}{},
},
{
desc: "equal",
args: []string{"--=foo"},
element: &struct {
Foo bool
}{},
},
{
desc: "string without value",
element: &struct {
Foo string
Bar bool
}{},
args: []string{"--foo"},
},
}
for _, test := range testCases {
test := test
t.Run(test.desc, func(t *testing.T) {
t.Parallel()
_, err := Parse(test.args, test.element)
require.Error(t, err)
})
}
}