linkerd2/cli/cmd/uninject_test.go

126 lines
4.1 KiB
Go

package cmd
import (
"bufio"
"bytes"
"fmt"
"os"
"strings"
"testing"
)
// TestUninjectYAML does the reverse of TestInjectYAML.
// We use as input the same "golden" file and as expected output the same "input" file as in the inject tests.
func TestUninjectYAML(t *testing.T) {
testCases := []struct {
inputFileName string
goldenFileName string
reportFileName string
testInjectOptions *injectOptions
}{
{
inputFileName: "inject_emojivoto_deployment.golden.yml",
goldenFileName: "inject_emojivoto_deployment.input.yml",
reportFileName: "inject_emojivoto_deployment_uninject.report",
},
{
inputFileName: "inject_emojivoto_list.golden.yml",
goldenFileName: "inject_emojivoto_list.input.yml",
reportFileName: "inject_emojivoto_list_uninject.report",
},
{
inputFileName: "inject_emojivoto_deployment_hostNetwork_true.input.yml",
goldenFileName: "inject_emojivoto_deployment_hostNetwork_true.input.yml",
reportFileName: "inject_emojivoto_deployment_hostNetwork_true_uninject.report",
},
{
inputFileName: "inject_emojivoto_deployment_injectDisabled.input.yml",
goldenFileName: "inject_emojivoto_deployment_injectDisabled.input.yml",
reportFileName: "inject_emojivoto_deployment_injectDisabled_uninject.report",
},
{
inputFileName: "inject_emojivoto_deployment_controller_name.golden.yml",
goldenFileName: "inject_emojivoto_deployment_controller_name.input.yml",
reportFileName: "inject_emojivoto_deployment_controller_name_uninject.report",
},
{
inputFileName: "inject_emojivoto_statefulset.golden.yml",
goldenFileName: "inject_emojivoto_statefulset.input.yml",
reportFileName: "inject_emojivoto_statefulset_uninject.report",
},
{
inputFileName: "inject_emojivoto_pod.golden.yml",
goldenFileName: "inject_emojivoto_pod.input.yml",
reportFileName: "inject_emojivoto_pod_uninject.report",
},
{
inputFileName: "inject_emojivoto_pod_with_requests.golden.yml",
goldenFileName: "inject_emojivoto_pod_with_requests.input.yml",
reportFileName: "inject_emojivoto_pod_with_requests_uninject.report",
},
{
inputFileName: "inject_emojivoto_deployment_tls.golden.yml",
goldenFileName: "inject_emojivoto_deployment.input.yml",
reportFileName: "inject_emojivoto_deployment_uninject.report",
},
{
inputFileName: "inject_emojivoto_pod_tls.golden.yml",
goldenFileName: "inject_emojivoto_pod.input.yml",
reportFileName: "inject_emojivoto_pod_uninject.report",
},
{
inputFileName: "inject_emojivoto_deployment_udp.golden.yml",
goldenFileName: "inject_emojivoto_deployment_udp.input.yml",
reportFileName: "inject_emojivoto_deployment_udp_uninject.report",
},
{
inputFileName: "inject_emojivoto_istio.input.yml",
goldenFileName: "inject_emojivoto_istio.input.yml",
reportFileName: "inject_emojivoto_istio_uninject.report",
},
{
inputFileName: "inject_contour.input.yml",
goldenFileName: "inject_contour.input.yml",
reportFileName: "inject_contour_uninject.report",
},
}
for i, tc := range testCases {
t.Run(fmt.Sprintf("%d: %s", i, tc.inputFileName), func(t *testing.T) {
file, err := os.Open("testdata/" + tc.inputFileName)
if err != nil {
t.Errorf("error opening test input file: %v\n", err)
}
read := bufio.NewReader(file)
output := new(bytes.Buffer)
report := new(bytes.Buffer)
err = UninjectYAML(read, output, report, nil)
if err != nil {
t.Errorf("Unexpected error uninjecting YAML: %v\n", err)
}
actualOutput := stripDashes(output.String())
expectedOutput := stripDashes(readOptionalTestFile(t, tc.goldenFileName))
if expectedOutput != actualOutput {
t.Errorf("Result mismatch.\nExpected: %s\nActual: %s", expectedOutput, actualOutput)
}
actualReport := report.String()
expectedReport := readOptionalTestFile(t, tc.reportFileName)
if expectedReport != actualReport {
t.Errorf("Result mismatch.\nExpected: %s\nActual: %s", expectedReport, actualReport)
}
})
}
}
// stripDashes removes the YAML dashes (---) found at the beginning and ending of the
// input and golden files respectively.
func stripDashes(str string) string {
return strings.Trim(str, "-\n")
}