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78 lines
2.2 KiB
78 lines
2.2 KiB
6 years ago
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/*
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Copyright The Helm Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package engine
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import (
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"strings"
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"testing"
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"text/template"
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"github.com/stretchr/testify/assert"
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)
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func TestFuncs(t *testing.T) {
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//TODO write tests for failure cases
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tests := []struct {
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tpl, expect string
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vars interface{}
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}{{
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tpl: `All {{ required "A valid 'bases' is required" .bases }} of them!`,
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expect: `All 2 of them!`,
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vars: map[string]interface{}{"bases": 2},
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}, {
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tpl: `{{ toYaml . }}`,
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expect: `foo: bar`,
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vars: map[string]interface{}{"foo": "bar"},
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}, {
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tpl: `{{ toToml . }}`,
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expect: "foo = \"bar\"\n",
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vars: map[string]interface{}{"foo": "bar"},
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}, {
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tpl: `{{ toJson . }}`,
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expect: `{"foo":"bar"}`,
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vars: map[string]interface{}{"foo": "bar"},
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}, {
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tpl: `{{ fromYaml . }}`,
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expect: "map[hello:world]",
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vars: `hello: world`,
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}, {
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// Regression for https://github.com/helm/helm/issues/2271
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tpl: `{{ toToml . }}`,
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expect: "[mast]\n sail = \"white\"\n",
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vars: map[string]map[string]string{"mast": {"sail": "white"}},
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}, {
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tpl: `{{ fromYaml . }}`,
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expect: "map[Error:yaml: unmarshal errors:\n line 1: cannot unmarshal !!seq into map[string]interface {}]",
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vars: "- one\n- two\n",
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}, {
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tpl: `{{ fromJson .}}`,
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expect: `map[hello:world]`,
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vars: `{"hello":"world"}`,
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}, {
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tpl: `{{ fromJson . }}`,
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expect: `map[Error:json: cannot unmarshal array into Go value of type map[string]interface {}]`,
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vars: `["one", "two"]`,
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}}
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for _, tt := range tests {
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var b strings.Builder
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err := template.Must(template.New("test").Funcs(funcMap()).Parse(tt.tpl)).Execute(&b, tt.vars)
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assert.NoError(t, err)
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assert.Equal(t, tt.expect, b.String(), tt.tpl)
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}
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}
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