27bb03bbc0
* adding copyright header * fix fmt and a test
116 lines
2.8 KiB
Go
116 lines
2.8 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: MPL-2.0
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package random
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import (
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"fmt"
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"reflect"
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"testing"
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"github.com/mitchellh/mapstructure"
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)
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type testCharsetRule struct {
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String string `mapstructure:"string" json:"string"`
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Integer int `mapstructure:"int" json:"int"`
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// Default to passing
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fail bool
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}
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func newTestRule(data map[string]interface{}) (rule Rule, err error) {
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tr := &testCharsetRule{}
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err = mapstructure.Decode(data, tr)
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if err != nil {
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return nil, fmt.Errorf("unable to decode test rule")
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}
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return *tr, nil
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}
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func (tr testCharsetRule) Pass([]rune) bool { return !tr.fail }
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func (tr testCharsetRule) Type() string { return "testrule" }
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func (tr testCharsetRule) Chars() []rune { return []rune(tr.String) }
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func TestParseRule(t *testing.T) {
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type testCase struct {
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rules map[string]ruleConstructor
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ruleType string
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ruleData map[string]interface{}
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expectedRule Rule
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expectErr bool
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}
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tests := map[string]testCase{
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"missing rule": {
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rules: map[string]ruleConstructor{},
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ruleType: "testrule",
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ruleData: map[string]interface{}{
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"string": "teststring",
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"int": 123,
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},
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expectedRule: nil,
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expectErr: true,
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},
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"nil data": {
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rules: map[string]ruleConstructor{
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"testrule": newTestRule,
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},
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ruleType: "testrule",
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ruleData: nil,
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expectedRule: testCharsetRule{},
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expectErr: false,
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},
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"good rule": {
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rules: map[string]ruleConstructor{
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"testrule": newTestRule,
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},
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ruleType: "testrule",
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ruleData: map[string]interface{}{
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"string": "teststring",
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"int": 123,
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},
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expectedRule: testCharsetRule{
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String: "teststring",
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Integer: 123,
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},
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expectErr: false,
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},
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}
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for name, test := range tests {
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t.Run(name, func(t *testing.T) {
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reg := Registry{
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Rules: test.rules,
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}
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actualRule, err := reg.parseRule(test.ruleType, test.ruleData)
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if test.expectErr && err == nil {
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t.Fatalf("err expected, got nil")
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}
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if !test.expectErr && err != nil {
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t.Fatalf("no error expected, got: %s", err)
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}
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if !reflect.DeepEqual(actualRule, test.expectedRule) {
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t.Fatalf("Actual: %#v\nExpected:%#v", actualRule, test.expectedRule)
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}
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})
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}
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}
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// Ensure the mappings in the defaultRuleNameMapping are consistent between the keys
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// in the map and the Type() calls on the Rule values
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func TestDefaultRuleNameMapping(t *testing.T) {
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for expectedType, constructor := range defaultRuleNameMapping {
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// In this case, we don't care about the error since we're checking the types, not the contents
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instance, _ := constructor(map[string]interface{}{})
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actualType := instance.Type()
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if actualType != expectedType {
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t.Fatalf("Default registry mismatched types: Actual: %s Expected: %s", actualType, expectedType)
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}
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}
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}
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