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91 lines
2.2 KiB
Go
91 lines
2.2 KiB
Go
/*
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Copyright 2017 The Kubernetes 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 util
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import (
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"testing"
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)
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const (
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validTmpl = "image: {{ .ImageRepository }}/pause-{{ .Arch }}:3.0"
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validTmplOut = "image: gcr.io/google_containers/pause-amd64:3.0"
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doNothing = "image: gcr.io/google_containers/pause-amd64:3.0"
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invalidTmpl1 = "{{ .baz }/d}"
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invalidTmpl2 = "{{ !foobar }}"
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)
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func TestParseTemplate(t *testing.T) {
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var tmplTests = []struct {
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template string
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data interface{}
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output string
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errExpected bool
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}{
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// should parse a valid template and set the right values
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{
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template: validTmpl,
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data: struct{ ImageRepository, Arch string }{
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ImageRepository: "gcr.io/google_containers",
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Arch: "amd64",
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},
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output: validTmplOut,
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errExpected: false,
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},
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// should noop if there aren't any {{ .foo }} present
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{
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template: doNothing,
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data: struct{ ImageRepository, Arch string }{
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ImageRepository: "gcr.io/google_containers",
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Arch: "amd64",
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},
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output: doNothing,
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errExpected: false,
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},
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// invalid syntax, passing nil
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{
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template: invalidTmpl1,
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data: nil,
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output: "",
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errExpected: true,
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},
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// invalid syntax
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{
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template: invalidTmpl2,
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data: struct{}{},
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output: "",
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errExpected: true,
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},
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}
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for _, tt := range tmplTests {
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outbytes, err := ParseTemplate(tt.template, tt.data)
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if tt.errExpected != (err != nil) {
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t.Errorf(
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"failed TestParseTemplate:\n\texpected err: %t\n\t actual: %s",
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tt.errExpected,
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err,
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)
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}
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if tt.output != string(outbytes) {
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t.Errorf(
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"failed TestParseTemplate:\n\texpected bytes: %s\n\t actual: %s",
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tt.output,
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outbytes,
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)
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}
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}
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}
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