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284 lines
8.4 KiB
284 lines
8.4 KiB
/*
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Copyright 2016 The Kubernetes Authors All rights reserved.
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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 main
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import (
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"io"
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"reflect"
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"regexp"
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"strings"
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"testing"
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"github.com/spf13/cobra"
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"k8s.io/helm/pkg/helm"
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)
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func TestInstall(t *testing.T) {
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tests := []releaseCase{
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// Install, base case
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{
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name: "basic install",
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args: []string{"testdata/testcharts/alpine"},
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flags: strings.Split("--name aeneas", " "),
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expected: "aeneas",
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resp: helm.ReleaseMock(&helm.MockReleaseOptions{Name: "aeneas"}),
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},
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// Install, no hooks
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{
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name: "install without hooks",
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args: []string{"testdata/testcharts/alpine"},
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flags: strings.Split("--name aeneas --no-hooks", " "),
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expected: "aeneas",
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resp: helm.ReleaseMock(&helm.MockReleaseOptions{Name: "aeneas"}),
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},
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// Install, values from cli
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{
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name: "install with values",
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args: []string{"testdata/testcharts/alpine"},
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flags: strings.Split("--name virgil --set foo=bar", " "),
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resp: helm.ReleaseMock(&helm.MockReleaseOptions{Name: "virgil"}),
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expected: "virgil",
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},
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// Install, values from cli via multiple --set
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{
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name: "install with multiple values",
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args: []string{"testdata/testcharts/alpine"},
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flags: strings.Split("--name virgil --set foo=bar --set bar=foo", " "),
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resp: helm.ReleaseMock(&helm.MockReleaseOptions{Name: "virgil"}),
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expected: "virgil",
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},
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// Install, values from yaml
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{
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name: "install with values",
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args: []string{"testdata/testcharts/alpine"},
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flags: strings.Split("--name virgil -f testdata/testcharts/alpine/extra_values.yaml", " "),
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resp: helm.ReleaseMock(&helm.MockReleaseOptions{Name: "virgil"}),
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expected: "virgil",
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},
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// Install, values from multiple yaml
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{
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name: "install with values",
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args: []string{"testdata/testcharts/alpine"},
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flags: strings.Split("--name virgil -f testdata/testcharts/alpine/extra_values.yaml -f testdata/testcharts/alpine/more_values.yaml", " "),
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resp: helm.ReleaseMock(&helm.MockReleaseOptions{Name: "virgil"}),
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expected: "virgil",
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},
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// Install, no charts
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{
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name: "install with no chart specified",
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args: []string{},
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err: true,
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},
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// Install, re-use name
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{
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name: "install and replace release",
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args: []string{"testdata/testcharts/alpine"},
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flags: strings.Split("--name aeneas --replace", " "),
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expected: "aeneas",
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resp: helm.ReleaseMock(&helm.MockReleaseOptions{Name: "aeneas"}),
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},
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// Install, with timeout
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{
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name: "install with a timeout",
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args: []string{"testdata/testcharts/alpine"},
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flags: strings.Split("--name foobar --timeout 120", " "),
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expected: "foobar",
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resp: helm.ReleaseMock(&helm.MockReleaseOptions{Name: "foobar"}),
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},
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// Install, with wait
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{
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name: "install with a wait",
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args: []string{"testdata/testcharts/alpine"},
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flags: strings.Split("--name apollo --wait", " "),
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expected: "apollo",
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resp: helm.ReleaseMock(&helm.MockReleaseOptions{Name: "apollo"}),
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},
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// Install, using the name-template
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{
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name: "install with name-template",
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args: []string{"testdata/testcharts/alpine"},
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flags: []string{"--name-template", "{{upper \"foobar\"}}"},
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expected: "FOOBAR",
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resp: helm.ReleaseMock(&helm.MockReleaseOptions{Name: "FOOBAR"}),
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},
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// Install, perform chart verification along the way.
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{
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name: "install with verification, missing provenance",
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args: []string{"testdata/testcharts/compressedchart-0.1.0.tgz"},
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flags: strings.Split("--verify --keyring testdata/helm-test-key.pub", " "),
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err: true,
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},
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{
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name: "install with verification, directory instead of file",
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args: []string{"testdata/testcharts/signtest"},
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flags: strings.Split("--verify --keyring testdata/helm-test-key.pub", " "),
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err: true,
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},
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{
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name: "install with verification, valid",
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args: []string{"testdata/testcharts/signtest-0.1.0.tgz"},
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flags: strings.Split("--verify --keyring testdata/helm-test-key.pub", " "),
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},
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// Install, chart with missing dependencies in /charts
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{
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name: "install chart with missing dependencies",
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args: []string{"testdata/testcharts/chart-missing-deps"},
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err: true,
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},
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// Install, chart with bad requirements.yaml in /charts
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{
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name: "install chart with bad requirements.yaml",
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args: []string{"testdata/testcharts/chart-bad-requirements"},
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err: true,
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},
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}
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runReleaseCases(t, tests, func(c *helm.FakeClient, out io.Writer) *cobra.Command {
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return newInstallCmd(c, out)
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})
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}
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type nameTemplateTestCase struct {
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tpl string
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expected string
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expectedErrorStr string
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}
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func TestNameTemplate(t *testing.T) {
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testCases := []nameTemplateTestCase{
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// Just a straight up nop please
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{
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tpl: "foobar",
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expected: "foobar",
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expectedErrorStr: "",
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},
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// Random numbers at the end for fun & profit
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{
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tpl: "foobar-{{randNumeric 6}}",
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expected: "foobar-[0-9]{6}$",
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expectedErrorStr: "",
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},
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// Random numbers in the middle for fun & profit
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{
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tpl: "foobar-{{randNumeric 4}}-baz",
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expected: "foobar-[0-9]{4}-baz$",
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expectedErrorStr: "",
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},
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// No such function
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{
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tpl: "foobar-{{randInt}}",
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expected: "",
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expectedErrorStr: "function \"randInt\" not defined",
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},
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// Invalid template
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{
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tpl: "foobar-{{",
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expected: "",
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expectedErrorStr: "unexpected unclosed action",
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},
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}
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for _, tc := range testCases {
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n, err := generateName(tc.tpl)
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if err != nil {
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if tc.expectedErrorStr == "" {
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t.Errorf("Was not expecting error, but got: %v", err)
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continue
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}
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re, compErr := regexp.Compile(tc.expectedErrorStr)
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if compErr != nil {
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t.Errorf("Expected error string failed to compile: %v", compErr)
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continue
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}
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if !re.MatchString(err.Error()) {
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t.Errorf("Error didn't match for %s expected %s but got %v", tc.tpl, tc.expectedErrorStr, err)
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continue
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}
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}
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if err == nil && tc.expectedErrorStr != "" {
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t.Errorf("Was expecting error %s but didn't get an error back", tc.expectedErrorStr)
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}
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if tc.expected != "" {
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re, err := regexp.Compile(tc.expected)
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if err != nil {
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t.Errorf("Expected string failed to compile: %v", err)
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continue
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}
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if !re.MatchString(n) {
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t.Errorf("Returned name didn't match for %s expected %s but got %s", tc.tpl, tc.expected, n)
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}
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}
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}
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}
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func TestMergeValues(t *testing.T) {
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nestedMap := map[string]interface{}{
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"foo": "bar",
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"baz": map[string]string{
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"cool": "stuff",
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},
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}
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anotherNestedMap := map[string]interface{}{
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"foo": "bar",
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"baz": map[string]string{
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"cool": "things",
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"awesome": "stuff",
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},
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}
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flatMap := map[string]interface{}{
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"foo": "bar",
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"baz": "stuff",
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}
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anotherFlatMap := map[string]interface{}{
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"testing": "fun",
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}
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testMap := mergeValues(flatMap, nestedMap)
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equal := reflect.DeepEqual(testMap, nestedMap)
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if !equal {
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t.Errorf("Expected a nested map to overwrite a flat value. Expected: %v, got %v", nestedMap, testMap)
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}
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testMap = mergeValues(nestedMap, flatMap)
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equal = reflect.DeepEqual(testMap, flatMap)
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if !equal {
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t.Errorf("Expected a flat value to overwrite a map. Expected: %v, got %v", flatMap, testMap)
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}
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testMap = mergeValues(nestedMap, anotherNestedMap)
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equal = reflect.DeepEqual(testMap, anotherNestedMap)
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if !equal {
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t.Errorf("Expected a nested map to overwrite another nested map. Expected: %v, got %v", anotherNestedMap, testMap)
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}
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testMap = mergeValues(anotherFlatMap, anotherNestedMap)
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expectedMap := map[string]interface{}{
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"testing": "fun",
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"foo": "bar",
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"baz": map[string]string{
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"cool": "things",
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"awesome": "stuff",
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},
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}
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equal = reflect.DeepEqual(testMap, expectedMap)
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if !equal {
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t.Errorf("Expected a map with different keys to merge properly with another map. Expected: %v, got %v", expectedMap, testMap)
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}
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}
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