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pipeline_test.go
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pipeline_test.go
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package main
import (
"github.com/go-test/deep"
"gopkg.in/yaml.v2"
"io/ioutil"
"reflect"
"strings"
"testing"
)
func TestDeepCopyStep(t *testing.T) {
// pipeline := &Pipeline{}
step := Step{}
stepBytes := []byte(`
command: my command
agents:
mytag: myval
plugins:
- docker#v3.7.0:
image: "node:12.19-alpine-3.12"
`)
err := yaml.Unmarshal(stepBytes, &step)
if err != nil {
t.Error("unmarshal failed:", err)
}
if step["command"] != "my command" {
t.Error("failed to parse step", step["command"])
}
deepCopyStep(step)
}
func TestWaitStep(t *testing.T) {
context := &Context{}
stepContext := &StepContext{}
step := Step{}
stepBytes := []byte(`
command: foo
`)
yaml.Unmarshal(stepBytes, &step)
step, err := lowerStep(step, context, stepContext)
if err != nil {
t.Error("lowerStep returned err:", err)
}
if reflect.DeepEqual(step["env"], nil) {
t.Errorf("env should be set")
}
if reflect.DeepEqual(step["agents"], nil) {
t.Errorf("agents should be set")
}
step = Step{}
stepBytes = []byte(`
wait: ~
`)
yaml.Unmarshal(stepBytes, &step)
step, err = lowerStep(step, context, stepContext)
if err != nil {
t.Error("lowerStep returned err:", err)
}
if !reflect.DeepEqual(step["env"], nil) {
t.Errorf("env should not be set for a wait step")
}
if !reflect.DeepEqual(step["agents"], nil) {
t.Errorf("agents should not be set for a wait step")
}
}
func TestBlockStep(t *testing.T) {
context := &Context{}
stepContext := &StepContext{}
step := Step{}
stepBytes := []byte(`
block: ~
name: "my block"
if: 1 == 1
`)
yaml.Unmarshal(stepBytes, &step)
step, err := lowerStep(step, context, stepContext)
if err != nil {
t.Error("lowerStep returned err:", err)
}
if !reflect.DeepEqual(step["env"], nil) {
t.Errorf("env should not be set for a block step")
}
if !reflect.DeepEqual(step["agents"], nil) {
t.Errorf("agents should not be set for a block step")
}
}
func TestInterpolate(t *testing.T) {
context := &Context{}
stepContext := &StepContext{
EnvironmentName: "myenv",
}
step := Step{}
stepBytes := []byte(`x: ${environment}`)
if err := yaml.Unmarshal(stepBytes, &step); err != nil {
t.Error("unmarshal error", err)
}
step, err := lowerStep(step, context, stepContext)
if err != nil {
t.Error("lowerStep returned err:", err)
}
actual := step["x"]
expected := "myenv"
if actual != expected {
t.Error("interpolate value does not match", actual, expected)
}
}
func TestInterpolateUnknownVariable(t *testing.T) {
context := &Context{}
stepContext := &StepContext{}
step := Step{}
stepBytes := []byte(`x: ${badvar}`)
if err := yaml.Unmarshal(stepBytes, &step); err != nil {
t.Error("unmarshal error", err)
}
step, err := lowerStep(step, context, stepContext)
if err == nil {
t.Error("lowerStep should error when a bad variable is referenced")
}
if !strings.Contains(err.Error(), "unknown variable accessed: badvar") {
t.Error("message should say something about bad varaible", err.Error())
}
}
func testGenerateSteps(t *testing.T, isMaster bool, sourcePath, expectedPath string) {
context := Context{
ConfigFilename: sourcePath,
BuildkitePipelineSlug: "myrepo",
}
if isMaster {
context.BranchName = "master"
}
buildkite := DryRunBuildMetadataClient{}
bkSteps, _, err := generateSteps(&context, &buildkite)
if err != nil {
t.Error("generateSteps returned err:", err)
}
bkStepsMarshalled, err := MarshalPipelineSteps(bkSteps)
if err != nil {
t.Error("marshal returned err:", err)
}
expectedBytes, err := ioutil.ReadFile(expectedPath)
if err != nil {
t.Error("reading expected file error", err)
}
var expected, actual interface{}
err = yaml.Unmarshal(bkStepsMarshalled, &actual)
if err != nil {
t.Error("parsing expected marshalled error", err)
}
err = yaml.Unmarshal(expectedBytes, &expected)
if err != nil {
t.Error("parsing expected file error", err)
}
if diff := deep.Equal(expected, actual); diff != nil {
t.Error(diff, string(bkStepsMarshalled))
}
}
func TestGenerateSnapshots(t *testing.T) {
testGenerateSteps(t, false, "testdata/basic.in.yaml", "testdata/basic_non_master.out.yaml")
testGenerateSteps(t, true, "testdata/basic.in.yaml", "testdata/basic_master.out.yaml")
}