c1a01697c8
Implement a `nomad node pool init` command that generates an example spec file in either HCL or JSON format.
120 lines
3.4 KiB
Go
120 lines
3.4 KiB
Go
// Copyright (c) HashiCorp, Inc.
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// SPDX-License-Identifier: MPL-2.0
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package command
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import (
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"os"
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"path"
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"testing"
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"github.com/mitchellh/cli"
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"github.com/shoenig/test/must"
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"github.com/hashicorp/nomad/ci"
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"github.com/hashicorp/nomad/command/asset"
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)
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func TestNodePoolInitCommand_Implements(t *testing.T) {
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ci.Parallel(t)
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var _ cli.Command = &NodePoolInitCommand{}
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}
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func TestNodePoolInitCommand_Run(t *testing.T) {
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ci.Parallel(t)
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dir := t.TempDir()
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origDir, err := os.Getwd()
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must.NoError(t, err)
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err = os.Chdir(dir)
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must.NoError(t, err)
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t.Cleanup(func() { os.Chdir(origDir) })
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t.Run("hcl", func(t *testing.T) {
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ci.Parallel(t)
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dir := dir
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ui := cli.NewMockUi()
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cmd := &NodePoolInitCommand{Meta: Meta{Ui: ui}}
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// Fails on misuse
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ec := cmd.Run([]string{"some", "bad", "args"})
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must.Eq(t, 1, ec)
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must.StrContains(t, ui.ErrorWriter.String(), commandErrorText(cmd))
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must.Eq(t, "", ui.OutputWriter.String())
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reset(ui)
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// Works if the file doesn't exist
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ec = cmd.Run([]string{"-out", "hcl"})
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must.Eq(t, "", ui.ErrorWriter.String())
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must.Eq(t, "Example node pool specification written to pool.nomad.hcl\n", ui.OutputWriter.String())
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must.Zero(t, ec)
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reset(ui)
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t.Cleanup(func() { os.Remove(path.Join(dir, "pool.nomad.hcl")) })
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content, err := os.ReadFile(DefaultHclNodePoolInitName)
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must.NoError(t, err)
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must.Eq(t, asset.NodePoolSpec, content)
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// Fails if the file exists
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ec = cmd.Run([]string{"-out", "hcl"})
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must.StrContains(t, ui.ErrorWriter.String(), "exists")
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must.Eq(t, "", ui.OutputWriter.String())
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must.Eq(t, 1, ec)
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reset(ui)
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// Works if file is passed
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ec = cmd.Run([]string{"-out", "hcl", "myTest.hcl"})
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must.Eq(t, "", ui.ErrorWriter.String())
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must.Eq(t, "Example node pool specification written to myTest.hcl\n", ui.OutputWriter.String())
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must.Zero(t, ec)
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reset(ui)
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t.Cleanup(func() { os.Remove(path.Join(dir, "myTest.hcl")) })
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content, err = os.ReadFile("myTest.hcl")
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must.NoError(t, err)
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must.Eq(t, asset.NodePoolSpec, content)
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})
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t.Run("json", func(t *testing.T) {
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ci.Parallel(t)
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dir := dir
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ui := cli.NewMockUi()
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cmd := &NodePoolInitCommand{Meta: Meta{Ui: ui}}
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// Fails on misuse
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code := cmd.Run([]string{"some", "bad", "args"})
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must.Eq(t, 1, code)
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must.StrContains(t, ui.ErrorWriter.String(), "This command takes no arguments or one")
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must.Eq(t, "", ui.OutputWriter.String())
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reset(ui)
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// Works if the file doesn't exist
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code = cmd.Run([]string{"-out", "json"})
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must.StrContains(t, ui.OutputWriter.String(), "Example node pool specification written to pool.nomad.json\n")
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must.Zero(t, code)
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reset(ui)
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t.Cleanup(func() { os.Remove(path.Join(dir, "pool.nomad.json")) })
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content, err := os.ReadFile(DefaultJsonNodePoolInitName)
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must.NoError(t, err)
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must.Eq(t, asset.NodePoolSpecJSON, content)
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// Fails if the file exists
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code = cmd.Run([]string{"-out", "json"})
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must.StrContains(t, ui.ErrorWriter.String(), "exists")
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must.Eq(t, "", ui.OutputWriter.String())
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must.Eq(t, 1, code)
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reset(ui)
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// Works if file is passed
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code = cmd.Run([]string{"-out", "json", "myTest.json"})
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must.StrContains(t, ui.OutputWriter.String(), "Example node pool specification written to myTest.json\n")
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must.Zero(t, code)
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reset(ui)
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t.Cleanup(func() { os.Remove(path.Join(dir, "myTest.json")) })
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content, err = os.ReadFile("myTest.json")
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must.NoError(t, err)
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must.Eq(t, asset.NodePoolSpecJSON, content)
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})
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}
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