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@ -2,153 +2,181 @@ package configfilearg
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import (
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"os"
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"reflect"
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"testing"
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"github.com/stretchr/testify/assert"
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)
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func TestFindStart(t *testing.T) {
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testCases := []struct {
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input []string
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func TestParser_findStart(t *testing.T) {
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tests := []struct {
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name string
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args []string
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prefix []string
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suffix []string
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found bool
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what string
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}{
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{
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input: nil,
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name: "default case",
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args: nil,
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prefix: nil,
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suffix: nil,
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found: false,
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what: "default case",
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},
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{
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input: []string{"server"},
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name: "simple case",
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args: []string{"server"},
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prefix: []string{"server"},
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suffix: []string{},
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found: true,
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what: "simple case",
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},
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{
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input: []string{"server", "foo"},
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name: "also simple case",
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args: []string{"server", "foo"},
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prefix: []string{"server"},
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suffix: []string{"foo"},
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found: true,
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what: "also simple case",
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},
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{
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input: []string{"server", "foo", "bar"},
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name: "longer simple case",
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args: []string{"server", "foo", "bar"},
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prefix: []string{"server"},
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suffix: []string{"foo", "bar"},
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found: true,
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what: "longer simple case",
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},
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{
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input: []string{"not-server", "foo", "bar"},
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name: "not found",
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args: []string{"not-server", "foo", "bar"},
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prefix: []string{"not-server", "foo", "bar"},
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found: false,
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what: "not found",
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},
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}
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p := Parser{
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After: []string{"server", "agent"},
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}
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for _, testCase := range testCases {
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prefix, suffix, found := p.findStart(testCase.input)
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assert.Equal(t, testCase.prefix, prefix)
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assert.Equal(t, testCase.suffix, suffix)
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assert.Equal(t, testCase.found, found)
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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p := Parser{
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After: []string{"server", "agent"},
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}
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prefix, suffix, found := p.findStart(tt.args)
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if !reflect.DeepEqual(prefix, tt.prefix) {
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t.Errorf("Parser.findStart() prefix = %+v\nWant = %+v", prefix, tt.prefix)
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}
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if !reflect.DeepEqual(suffix, tt.suffix) {
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t.Errorf("Parser.findStart() suffix = %+v\nWant = %+v", suffix, tt.suffix)
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}
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if found != tt.found {
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t.Errorf("Parser.findStart() found = %+v\nWant = %+v", found, tt.found)
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}
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})
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}
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}
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func TestConfigFile(t *testing.T) {
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testCases := []struct {
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input []string
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env string
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def string
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configFile string
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found bool
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what string
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func TestParser_findConfigFileFlag(t *testing.T) {
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type fields struct {
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DefaultConfig string
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env string
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}
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tests := []struct {
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name string
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fields fields
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arg []string
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want string
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found bool
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}{
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{
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input: nil,
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name: "default case",
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arg: nil,
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found: false,
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what: "default case",
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},
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{
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input: []string{"asdf", "-c", "value"},
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configFile: "value",
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found: true,
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what: "simple case",
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name: "simple case",
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arg: []string{"asdf", "-c", "value"},
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want: "value",
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found: true,
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},
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{
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input: []string{"-c"},
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name: "invalid args string",
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arg: []string{"-c"},
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found: false,
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what: "invalid args string",
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},
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{
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input: []string{"-c="},
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name: "empty arg value",
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arg: []string{"-c="},
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found: true,
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what: "empty arg value",
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},
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{
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def: "def",
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input: []string{"-c="},
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name: "empty arg value override default",
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fields: fields{
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DefaultConfig: "def",
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},
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arg: []string{"-c="},
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found: true,
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what: "empty arg value override default",
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},
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{
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def: "def",
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input: []string{"-c"},
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fields: fields{
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DefaultConfig: "def",
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},
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arg: []string{"-c"},
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found: false,
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what: "invalid args always return no value",
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name: "invalid args always return no value",
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},
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{
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def: "def",
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input: []string{"-c", "value"},
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configFile: "value",
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found: true,
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what: "value override default",
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fields: fields{
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DefaultConfig: "def",
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},
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arg: []string{"-c", "value"},
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want: "value",
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found: true,
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name: "value override default",
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},
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{
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def: "def",
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configFile: "def",
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found: false,
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what: "default gets used when nothing is passed",
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fields: fields{
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DefaultConfig: "def",
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},
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want: "def",
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found: false,
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name: "default gets used when nothing is passed",
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},
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{
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def: "def",
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input: []string{"-c", "value"},
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env: "env",
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configFile: "env",
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found: true,
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what: "env override args",
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name: "env override args",
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fields: fields{
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DefaultConfig: "def",
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env: "env",
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},
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arg: []string{"-c", "value"},
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want: "env",
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found: true,
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},
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{
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def: "def",
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input: []string{"before", "-c", "value", "after"},
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configFile: "value",
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found: true,
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what: "garbage in start and end",
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name: "garbage in start and end",
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fields: fields{
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DefaultConfig: "def",
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},
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arg: []string{"before", "-c", "value", "after"},
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want: "value",
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found: true,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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p := Parser{
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FlagNames: []string{"--config", "-c"},
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EnvName: "_TEST_FLAG_ENV",
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DefaultConfig: tt.fields.DefaultConfig,
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}
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// Setup
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defer os.Unsetenv(tt.fields.env)
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os.Setenv(p.EnvName, tt.fields.env)
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for _, testCase := range testCases {
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p := Parser{
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FlagNames: []string{"--config", "-c"},
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EnvName: "_TEST_FLAG_ENV",
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DefaultConfig: testCase.def,
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}
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os.Setenv(p.EnvName, testCase.env)
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configFile, found := p.findConfigFileFlag(testCase.input)
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assert.Equal(t, testCase.configFile, configFile, testCase.what)
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assert.Equal(t, testCase.found, found, testCase.what)
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got, found := p.findConfigFileFlag(tt.arg)
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if got != tt.want {
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t.Errorf("Parser.findConfigFileFlag() got = %+v\nWant = %+v", got, tt.want)
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}
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if found != tt.found {
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t.Errorf("Parser.findConfigFileFlag() found = %+v\nWant = %+v", found, tt.found)
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}
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})
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}
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}
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func TestParse(t *testing.T) {
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func TestParser_Parse(t *testing.T) {
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testDataOutput := []string{
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"--foo-bar=bar-foo",
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"--a-slice=1",
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@ -170,71 +198,78 @@ func TestParse(t *testing.T) {
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"--e-slice=one",
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"--e-slice=two",
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}
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defParser := Parser{
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After: []string{"server", "agent"},
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FlagNames: []string{"-c", "--config"},
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EnvName: "_TEST_ENV",
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DefaultConfig: "./testdata/data.yaml",
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type fields struct {
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After []string
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FlagNames []string
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EnvName string
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DefaultConfig string
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}
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testCases := []struct {
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parser Parser
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env string
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input []string
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output []string
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err string
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what string
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tests := []struct {
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name string
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fields fields
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arg []string
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want []string
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wantErr bool
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}{
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{
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parser: defParser,
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what: "default case",
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name: "default case",
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fields: fields{
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After: []string{"server", "agent"},
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FlagNames: []string{"-c", "--config"},
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EnvName: "_TEST_ENV",
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DefaultConfig: "./testdata/data.yaml",
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},
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},
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{
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parser: defParser,
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input: []string{"server"},
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output: append([]string{"server"}, testDataOutput...),
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what: "read config file when not specified",
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name: "read config file when not specified",
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fields: fields{
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After: []string{"server", "agent"},
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FlagNames: []string{"-c", "--config"},
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EnvName: "_TEST_ENV",
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DefaultConfig: "./testdata/data.yaml",
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},
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arg: []string{"server"},
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want: append([]string{"server"}, testDataOutput...),
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},
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{
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parser: Parser{
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name: "ignore missing config when not set",
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fields: fields{
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After: []string{"server", "agent"},
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FlagNames: []string{"-c", "--config"},
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DefaultConfig: "missing",
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},
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input: []string{"server"},
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output: []string{"server"},
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what: "ignore missing config when not set",
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arg: []string{"server"},
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want: []string{"server"},
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},
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{
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parser: Parser{
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name: "fail when missing config",
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fields: fields{
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After: []string{"server", "agent"},
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FlagNames: []string{"-c", "--config"},
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DefaultConfig: "missing",
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},
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input: []string{"server", "-c=missing"},
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output: []string{"server", "-c=missing"},
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what: "fail when missing config",
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err: "stat missing: no such file or directory",
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arg: []string{"server", "-c=missing"},
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wantErr: true,
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},
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{
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parser: Parser{
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name: "read config file",
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fields: fields{
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After: []string{"server", "agent"},
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FlagNames: []string{"-c", "--config"},
|
|
|
|
|
DefaultConfig: "missing",
|
|
|
|
|
},
|
|
|
|
|
input: []string{"before", "server", "before", "-c", "./testdata/data.yaml", "after"},
|
|
|
|
|
output: append(append([]string{"before", "server"}, testDataOutput...), "before", "-c", "./testdata/data.yaml", "after"),
|
|
|
|
|
what: "read config file",
|
|
|
|
|
arg: []string{"before", "server", "before", "-c", "./testdata/data.yaml", "after"},
|
|
|
|
|
want: append(append([]string{"before", "server"}, testDataOutput...), "before", "-c", "./testdata/data.yaml", "after"),
|
|
|
|
|
},
|
|
|
|
|
{
|
|
|
|
|
parser: Parser{
|
|
|
|
|
name: "read single config file",
|
|
|
|
|
fields: fields{
|
|
|
|
|
After: []string{"server", "agent"},
|
|
|
|
|
FlagNames: []string{"-c", "--config"},
|
|
|
|
|
DefaultConfig: "missing",
|
|
|
|
|
},
|
|
|
|
|
input: []string{"before", "server", "before", "-c", "./testdata/data.yaml.d/02-data.yaml", "after"},
|
|
|
|
|
output: []string{"before", "server",
|
|
|
|
|
arg: []string{"before", "server", "before", "-c", "./testdata/data.yaml.d/02-data.yaml", "after"},
|
|
|
|
|
want: []string{"before", "server",
|
|
|
|
|
"--foo-bar=bar-foo",
|
|
|
|
|
"--b-string=two",
|
|
|
|
|
"--c-slice=three",
|
|
|
|
@ -243,20 +278,104 @@ func TestParse(t *testing.T) {
|
|
|
|
|
"--e-slice=one",
|
|
|
|
|
"--e-slice=two",
|
|
|
|
|
"before", "-c", "./testdata/data.yaml.d/02-data.yaml", "after"},
|
|
|
|
|
what: "read single config file",
|
|
|
|
|
},
|
|
|
|
|
}
|
|
|
|
|
for _, tt := range tests {
|
|
|
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
|
|
|
p := &Parser{
|
|
|
|
|
After: tt.fields.After,
|
|
|
|
|
FlagNames: tt.fields.FlagNames,
|
|
|
|
|
EnvName: tt.fields.EnvName,
|
|
|
|
|
DefaultConfig: tt.fields.DefaultConfig,
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
for _, testCase := range testCases {
|
|
|
|
|
os.Setenv(testCase.parser.EnvName, testCase.env)
|
|
|
|
|
output, err := testCase.parser.Parse(testCase.input)
|
|
|
|
|
if err == nil {
|
|
|
|
|
assert.Equal(t, testCase.err, "", testCase.what)
|
|
|
|
|
} else {
|
|
|
|
|
assert.Equal(t, testCase.err, err.Error(), testCase.what)
|
|
|
|
|
}
|
|
|
|
|
if testCase.err == "" {
|
|
|
|
|
assert.Equal(t, testCase.output, output, testCase.what)
|
|
|
|
|
}
|
|
|
|
|
got, err := p.Parse(tt.arg)
|
|
|
|
|
if (err != nil) != tt.wantErr {
|
|
|
|
|
t.Errorf("Parser.Parse() error = %v, wantErr %v", err, tt.wantErr)
|
|
|
|
|
return
|
|
|
|
|
}
|
|
|
|
|
if !reflect.DeepEqual(got, tt.want) {
|
|
|
|
|
t.Errorf("Parser.Parse() = %+v\nWant = %+v", got, tt.want)
|
|
|
|
|
}
|
|
|
|
|
})
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
func TestParser_FindString(t *testing.T) {
|
|
|
|
|
type fields struct {
|
|
|
|
|
After []string
|
|
|
|
|
FlagNames []string
|
|
|
|
|
EnvName string
|
|
|
|
|
DefaultConfig string
|
|
|
|
|
}
|
|
|
|
|
type args struct {
|
|
|
|
|
osArgs []string
|
|
|
|
|
target string
|
|
|
|
|
}
|
|
|
|
|
tests := []struct {
|
|
|
|
|
name string
|
|
|
|
|
fields fields
|
|
|
|
|
args args
|
|
|
|
|
want string
|
|
|
|
|
wantErr bool
|
|
|
|
|
}{
|
|
|
|
|
{
|
|
|
|
|
name: "Default config does not exist",
|
|
|
|
|
fields: fields{
|
|
|
|
|
After: []string{"server", "agent"},
|
|
|
|
|
FlagNames: []string{"-c", "--config"},
|
|
|
|
|
EnvName: "_TEST_ENV",
|
|
|
|
|
DefaultConfig: "missing",
|
|
|
|
|
},
|
|
|
|
|
args: args{
|
|
|
|
|
osArgs: []string{},
|
|
|
|
|
target: "",
|
|
|
|
|
},
|
|
|
|
|
want: "",
|
|
|
|
|
},
|
|
|
|
|
{
|
|
|
|
|
name: "A custom config yaml exists, target exists",
|
|
|
|
|
fields: fields{
|
|
|
|
|
FlagNames: []string{"-c", "--config"},
|
|
|
|
|
EnvName: "_TEST_ENV",
|
|
|
|
|
DefaultConfig: "./testdata/data.yaml",
|
|
|
|
|
},
|
|
|
|
|
args: args{
|
|
|
|
|
osArgs: []string{"-c", "./testdata/data.yaml"},
|
|
|
|
|
target: "foo-bar",
|
|
|
|
|
},
|
|
|
|
|
want: "baz",
|
|
|
|
|
},
|
|
|
|
|
{
|
|
|
|
|
name: "A custom config yaml exists, target does not exist",
|
|
|
|
|
fields: fields{
|
|
|
|
|
FlagNames: []string{"-c", "--config"},
|
|
|
|
|
EnvName: "_TEST_ENV",
|
|
|
|
|
DefaultConfig: "./testdata/data.yaml",
|
|
|
|
|
},
|
|
|
|
|
args: args{
|
|
|
|
|
osArgs: []string{"-c", "./testdata/data.yaml"},
|
|
|
|
|
target: "tls",
|
|
|
|
|
},
|
|
|
|
|
want: "",
|
|
|
|
|
},
|
|
|
|
|
}
|
|
|
|
|
for _, tt := range tests {
|
|
|
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
|
|
|
p := &Parser{
|
|
|
|
|
After: tt.fields.After,
|
|
|
|
|
FlagNames: tt.fields.FlagNames,
|
|
|
|
|
EnvName: tt.fields.EnvName,
|
|
|
|
|
DefaultConfig: tt.fields.DefaultConfig,
|
|
|
|
|
}
|
|
|
|
|
got, err := p.FindString(tt.args.osArgs, tt.args.target)
|
|
|
|
|
if (err != nil) != tt.wantErr {
|
|
|
|
|
t.Errorf("Parser.FindString() error = %v, wantErr %v", err, tt.wantErr)
|
|
|
|
|
return
|
|
|
|
|
}
|
|
|
|
|
if got != tt.want {
|
|
|
|
|
t.Errorf("Parser.FindString() = %+v\nWant = %+v", got, tt.want)
|
|
|
|
|
}
|
|
|
|
|
})
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|