/
run_test.go
412 lines (393 loc) · 9.46 KB
/
run_test.go
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// Copyright 2019 The Kubernetes Authors.
// SPDX-License-Identifier: Apache-2.0
package commands
import (
"io"
"os"
"strings"
"testing"
"github.com/spf13/cobra"
"github.com/stretchr/testify/assert"
"sigs.k8s.io/kustomize/kyaml/runfn"
)
// TestRunFnCommand_preRunE verifies that preRunE correctly parses the commandline
// flags and arguments into the RunFns structure to be executed.
func TestRunFnCommand_preRunE(t *testing.T) {
tests := []struct {
name string
args []string
expected string
expectedStruct *runfn.RunFns
err string
path string
input io.Reader
output io.Writer
functionPaths []string
network bool
networkName string
mount []string
}{
{
name: "config map",
args: []string{"run", "dir", "--image", "foo:bar", "--", "a=b", "c=d", "e=f"},
path: "dir",
expected: `
metadata:
name: function-input
annotations:
config.kubernetes.io/function: |
container: {image: 'foo:bar'}
data: {a: b, c: d, e: f}
kind: ConfigMap
apiVersion: v1
`,
},
{
name: "config map stdin / stdout",
args: []string{"run", "--image", "foo:bar", "--", "a=b", "c=d", "e=f"},
input: os.Stdin,
output: os.Stdout,
expected: `
metadata:
name: function-input
annotations:
config.kubernetes.io/function: |
container: {image: 'foo:bar'}
data: {a: b, c: d, e: f}
kind: ConfigMap
apiVersion: v1
`,
},
{
name: "config map dry-run",
args: []string{"run", "dir", "--image", "foo:bar", "--dry-run", "--", "a=b", "c=d", "e=f"},
output: os.Stdout,
path: "dir",
expected: `
metadata:
name: function-input
annotations:
config.kubernetes.io/function: |
container: {image: 'foo:bar'}
data: {a: b, c: d, e: f}
kind: ConfigMap
apiVersion: v1
`,
},
{
name: "config map no args",
args: []string{"run", "dir", "--image", "foo:bar"},
path: "dir",
expected: `
metadata:
name: function-input
annotations:
config.kubernetes.io/function: |
container: {image: 'foo:bar'}
data: {}
kind: ConfigMap
apiVersion: v1
`,
},
{
name: "network enabled",
args: []string{"run", "dir", "--image", "foo:bar", "--network"},
path: "dir",
network: true,
networkName: "bridge",
expected: `
metadata:
name: function-input
annotations:
config.kubernetes.io/function: |
container: {image: 'foo:bar', network: {required: true}}
data: {}
kind: ConfigMap
apiVersion: v1
`,
},
{
name: "with network name",
args: []string{"run", "dir", "--image", "foo:bar", "--network", "--network-name", "foo"},
path: "dir",
network: true,
networkName: "foo",
expected: `
metadata:
name: function-input
annotations:
config.kubernetes.io/function: |
container: {image: 'foo:bar', network: {required: true}}
data: {}
kind: ConfigMap
apiVersion: v1
`,
},
{
name: "custom kind",
args: []string{"run", "dir", "--image", "foo:bar", "--", "Foo", "g=h"},
path: "dir",
expected: `
metadata:
name: function-input
annotations:
config.kubernetes.io/function: |
container: {image: 'foo:bar'}
data: {g: h}
kind: Foo
apiVersion: v1
`,
},
{
name: "custom kind '=' in data",
args: []string{"run", "dir", "--image", "foo:bar", "--", "Foo", "g=h", "i=j=k"},
path: "dir",
expected: `
metadata:
name: function-input
annotations:
config.kubernetes.io/function: |
container: {image: 'foo:bar'}
data: {g: h, i: j=k}
kind: Foo
apiVersion: v1
`,
},
{
name: "star",
args: []string{"run", "dir",
"--enable-star",
"--star-path", "a/b/c",
"--star-name", "foo",
"--", "Foo", "g=h"},
path: "dir",
expected: `
metadata:
name: function-input
annotations:
config.kubernetes.io/function: |
starlark: {path: a/b/c, name: foo}
data: {g: h}
kind: Foo
apiVersion: v1
`,
},
{
name: "star-not-enabled",
args: []string{"run", "dir",
"--star-path", "a/b/c",
"--star-name", "foo",
"--", "Foo", "g=h"},
path: "dir",
err: "must specify --enable-star with --star-path",
},
{
name: "image-star-not-enabled",
args: []string{"run", "dir",
"--image", "some_image",
"--star-path", "a/b/c",
"--star-name", "foo",
"--", "Foo", "g=h"},
path: "dir",
err: "must specify --enable-star with --star-path",
},
{
name: "star-enabled",
args: []string{"run", "dir", "--enable-star"},
path: "dir",
expectedStruct: &runfn.RunFns{
Path: "dir",
NetworkName: "bridge",
EnableStarlark: true,
Env: []string{},
},
},
{
name: "function paths",
args: []string{"run", "dir", "--fn-path", "path1", "--fn-path", "path2"},
path: "dir",
functionPaths: []string{"path1", "path2"},
},
{
name: "custom kind with function paths",
args: []string{
"run", "dir", "--fn-path", "path", "--image", "foo:bar", "--", "Foo", "g=h", "i=j=k"},
path: "dir",
functionPaths: []string{"path"},
expected: `
metadata:
name: function-input
annotations:
config.kubernetes.io/function: |
container: {image: 'foo:bar'}
data: {g: h, i: j=k}
kind: Foo
apiVersion: v1
`,
},
{
name: "custom kind with storage mounts",
args: []string{
"run", "dir", "--mount", "type=bind,src=/mount/path,dst=/local/",
"--mount", "type=volume,src=myvol,dst=/local/",
"--mount", "type=tmpfs,dst=/local/",
"--image", "foo:bar", "--", "Foo", "g=h", "i=j=k"},
path: "dir",
mount: []string{"type=bind,src=/mount/path,dst=/local/", "type=volume,src=myvol,dst=/local/", "type=tmpfs,dst=/local/"},
expected: `
metadata:
name: function-input
annotations:
config.kubernetes.io/function: |
container: {image: 'foo:bar'}
data: {g: h, i: j=k}
kind: Foo
apiVersion: v1
`,
},
{
name: "results_dir",
args: []string{"run", "dir", "--results-dir", "foo/", "--image", "foo:bar", "--", "a=b", "c=d", "e=f"},
path: "dir",
expectedStruct: &runfn.RunFns{
Path: "dir",
NetworkName: "bridge",
ResultsDir: "foo/",
Env: []string{},
},
expected: `
metadata:
name: function-input
annotations:
config.kubernetes.io/function: |
container: {image: 'foo:bar'}
data: {a: b, c: d, e: f}
kind: ConfigMap
apiVersion: v1
`,
},
{
name: "config map multi args",
args: []string{"run", "dir", "dir2", "--image", "foo:bar", "--", "a=b", "c=d", "e=f"},
err: "0 or 1 arguments supported",
},
{
name: "config map not image",
args: []string{"run", "dir", "--", "a=b", "c=d", "e=f"},
err: "must specify --image",
},
{
name: "config map bad data",
args: []string{"run", "dir", "--image", "foo:bar", "--", "a=b", "c", "e=f"},
err: "must have keys and values separated by",
},
{
name: "log steps",
args: []string{"run", "dir", "--log-steps"},
path: "dir",
expectedStruct: &runfn.RunFns{
Path: "dir",
NetworkName: "bridge",
LogSteps: true,
Env: []string{},
},
},
{
name: "envs",
args: []string{"run", "dir", "--env", "FOO=BAR", "-e", "BAR"},
path: "dir",
expectedStruct: &runfn.RunFns{
Path: "dir",
NetworkName: "bridge",
Env: []string{"FOO=BAR", "BAR"},
},
},
}
for i := range tests {
tt := tests[i]
t.Run(tt.name, func(t *testing.T) {
r := GetRunFnRunner("kustomize")
// Don't run the actual command
r.Command.Run = nil
r.Command.RunE = func(cmd *cobra.Command, args []string) error { return nil }
r.Command.SilenceErrors = true
r.Command.SilenceUsage = true
// hack due to https://github.com/spf13/cobra/issues/42
root := &cobra.Command{Use: "root"}
root.AddCommand(r.Command)
root.SetArgs(tt.args)
// error case
err := r.Command.Execute()
if tt.err != "" {
if !assert.Error(t, err) {
t.FailNow()
}
if !assert.Contains(t, err.Error(), tt.err) {
t.FailNow()
}
// don't check anything else in error case
return
}
// non-error case
if !assert.NoError(t, err) {
t.FailNow()
}
// check if Input was set
if !assert.Equal(t, tt.input, r.RunFns.Input) {
t.FailNow()
}
// check if Output was set
if !assert.Equal(t, tt.output, r.RunFns.Output) {
t.FailNow()
}
// check if Path was set
if !assert.Equal(t, tt.path, r.RunFns.Path) {
t.FailNow()
}
// check if Network was set
if tt.network {
if !assert.Equal(t, tt.network, r.RunFns.Network) {
t.FailNow()
}
if !assert.Equal(t, tt.networkName, r.RunFns.NetworkName) {
t.FailNow()
}
} else {
if !assert.Equal(t, false, r.RunFns.Network) {
t.FailNow()
}
}
// check if FunctionPaths were set
if tt.functionPaths == nil {
// make Equal work against flag default
tt.functionPaths = []string{}
}
if !assert.Equal(t, tt.functionPaths, r.RunFns.FunctionPaths) {
t.FailNow()
}
if !assert.Equal(t, r.RunFns, r.RunFns) {
t.FailNow()
}
if !assert.Equal(t, toStorageMounts(tt.mount), r.RunFns.StorageMounts) {
t.FailNow()
}
// check if Functions were set
if tt.expected != "" {
if !assert.Len(t, r.RunFns.Functions, 1) {
t.FailNow()
}
actual := strings.TrimSpace(r.RunFns.Functions[0].MustString())
if !assert.Equal(t, strings.TrimSpace(tt.expected), actual) {
t.FailNow()
}
}
if tt.expectedStruct != nil {
r.RunFns.Functions = nil
tt.expectedStruct.FunctionPaths = tt.functionPaths
if !assert.Equal(t, *tt.expectedStruct, r.RunFns) {
t.FailNow()
}
}
})
}
}