act/pkg/runner/expression_test.go

377 lines
12 KiB
Go

package runner
import (
"context"
"fmt"
"os"
"regexp"
"sort"
"testing"
"github.com/nektos/act/pkg/exprparser"
"github.com/nektos/act/pkg/model"
assert "github.com/stretchr/testify/assert"
yaml "gopkg.in/yaml.v3"
)
func createRunContext(t *testing.T) *RunContext {
var yml yaml.Node
err := yml.Encode(map[string][]interface{}{
"os": {"Linux", "Windows"},
"foo": {"bar", "baz"},
})
assert.NoError(t, err)
return &RunContext{
Config: &Config{
Workdir: ".",
Secrets: map[string]string{
"CASE_INSENSITIVE_SECRET": "value",
},
Vars: map[string]string{
"CASE_INSENSITIVE_VAR": "value",
},
},
Env: map[string]string{
"key": "value",
},
Run: &model.Run{
JobID: "job1",
Workflow: &model.Workflow{
Name: "test-workflow",
Jobs: map[string]*model.Job{
"job1": {
Strategy: &model.Strategy{
RawMatrix: yml,
},
},
},
},
},
Matrix: map[string]interface{}{
"os": "Linux",
"foo": "bar",
},
StepResults: map[string]*model.StepResult{
"idwithnothing": {
Conclusion: model.StepStatusSuccess,
Outcome: model.StepStatusFailure,
Outputs: map[string]string{
"foowithnothing": "barwithnothing",
},
},
"id-with-hyphens": {
Conclusion: model.StepStatusSuccess,
Outcome: model.StepStatusFailure,
Outputs: map[string]string{
"foo-with-hyphens": "bar-with-hyphens",
},
},
"id_with_underscores": {
Conclusion: model.StepStatusSuccess,
Outcome: model.StepStatusFailure,
Outputs: map[string]string{
"foo_with_underscores": "bar_with_underscores",
},
},
},
}
}
func TestEvaluateRunContext(t *testing.T) {
rc := createRunContext(t)
ee := rc.NewExpressionEvaluator(context.Background())
tables := []struct {
in string
out interface{}
errMesg string
}{
{" 1 ", 1, ""},
// {"1 + 3", "4", ""},
// {"(1 + 3) * -2", "-8", ""},
{"'my text'", "my text", ""},
{"contains('my text', 'te')", true, ""},
{"contains('my TEXT', 'te')", true, ""},
{"contains(fromJSON('[\"my text\"]'), 'te')", false, ""},
{"contains(fromJSON('[\"foo\",\"bar\"]'), 'bar')", true, ""},
{"startsWith('hello world', 'He')", true, ""},
{"endsWith('hello world', 'ld')", true, ""},
{"format('0:{0} 2:{2} 1:{1}', 'zero', 'one', 'two')", "0:zero 2:two 1:one", ""},
{"join(fromJSON('[\"hello\"]'),'octocat')", "hello", ""},
{"join(fromJSON('[\"hello\",\"mona\",\"the\"]'),'octocat')", "hellooctocatmonaoctocatthe", ""},
{"join('hello','mona')", "hello", ""},
{"toJSON(env)", "{\n \"ACT\": \"true\",\n \"key\": \"value\"\n}", ""},
{"toJson(env)", "{\n \"ACT\": \"true\",\n \"key\": \"value\"\n}", ""},
{"(fromJSON('{\"foo\":\"bar\"}')).foo", "bar", ""},
{"(fromJson('{\"foo\":\"bar\"}')).foo", "bar", ""},
{"(fromJson('[\"foo\",\"bar\"]'))[1]", "bar", ""},
// github does return an empty string for non-existent files
{"hashFiles('**/non-extant-files')", "", ""},
{"hashFiles('**/non-extant-files', '**/more-non-extant-files')", "", ""},
{"hashFiles('**/non.extant.files')", "", ""},
{"hashFiles('**/non''extant''files')", "", ""},
{"success()", true, ""},
{"failure()", false, ""},
{"always()", true, ""},
{"cancelled()", false, ""},
{"github.workflow", "test-workflow", ""},
{"github.actor", "nektos/act", ""},
{"github.run_id", "1", ""},
{"github.run_number", "1", ""},
{"job.status", "success", ""},
{"matrix.os", "Linux", ""},
{"matrix.foo", "bar", ""},
{"env.key", "value", ""},
{"secrets.CASE_INSENSITIVE_SECRET", "value", ""},
{"secrets.case_insensitive_secret", "value", ""},
{"vars.CASE_INSENSITIVE_VAR", "value", ""},
{"vars.case_insensitive_var", "value", ""},
{"format('{{0}}', 'test')", "{0}", ""},
{"format('{{{0}}}', 'test')", "{test}", ""},
{"format('}}')", "}", ""},
{"format('echo Hello {0} ${{Test}}', 'World')", "echo Hello World ${Test}", ""},
{"format('echo Hello {0} ${{Test}}', github.undefined_property)", "echo Hello ${Test}", ""},
{"format('echo Hello {0}{1} ${{Te{0}st}}', github.undefined_property, 'World')", "echo Hello World ${Test}", ""},
{"format('{0}', '{1}', 'World')", "{1}", ""},
{"format('{{{0}', '{1}', 'World')", "{{1}", ""},
}
for _, table := range tables {
table := table
t.Run(table.in, func(t *testing.T) {
assertObject := assert.New(t)
out, err := ee.evaluate(context.Background(), table.in, exprparser.DefaultStatusCheckNone)
if table.errMesg == "" {
assertObject.NoError(err, table.in)
assertObject.Equal(table.out, out, table.in)
} else {
assertObject.Error(err, table.in)
assertObject.Equal(table.errMesg, err.Error(), table.in)
}
})
}
}
func TestEvaluateStep(t *testing.T) {
rc := createRunContext(t)
step := &stepRun{
RunContext: rc,
}
ee := rc.NewStepExpressionEvaluator(context.Background(), step)
tables := []struct {
in string
out interface{}
errMesg string
}{
{"steps.idwithnothing.conclusion", model.StepStatusSuccess.String(), ""},
{"steps.idwithnothing.outcome", model.StepStatusFailure.String(), ""},
{"steps.idwithnothing.outputs.foowithnothing", "barwithnothing", ""},
{"steps.id-with-hyphens.conclusion", model.StepStatusSuccess.String(), ""},
{"steps.id-with-hyphens.outcome", model.StepStatusFailure.String(), ""},
{"steps.id-with-hyphens.outputs.foo-with-hyphens", "bar-with-hyphens", ""},
{"steps.id_with_underscores.conclusion", model.StepStatusSuccess.String(), ""},
{"steps.id_with_underscores.outcome", model.StepStatusFailure.String(), ""},
{"steps.id_with_underscores.outputs.foo_with_underscores", "bar_with_underscores", ""},
}
for _, table := range tables {
table := table
t.Run(table.in, func(t *testing.T) {
assertObject := assert.New(t)
out, err := ee.evaluate(context.Background(), table.in, exprparser.DefaultStatusCheckNone)
if table.errMesg == "" {
assertObject.NoError(err, table.in)
assertObject.Equal(table.out, out, table.in)
} else {
assertObject.Error(err, table.in)
assertObject.Equal(table.errMesg, err.Error(), table.in)
}
})
}
}
func TestInterpolate(t *testing.T) {
rc := &RunContext{
Config: &Config{
Workdir: ".",
Secrets: map[string]string{
"CASE_INSENSITIVE_SECRET": "value",
},
Vars: map[string]string{
"CASE_INSENSITIVE_VAR": "value",
},
},
Env: map[string]string{
"KEYWITHNOTHING": "valuewithnothing",
"KEY-WITH-HYPHENS": "value-with-hyphens",
"KEY_WITH_UNDERSCORES": "value_with_underscores",
"SOMETHING_TRUE": "true",
"SOMETHING_FALSE": "false",
},
Run: &model.Run{
JobID: "job1",
Workflow: &model.Workflow{
Name: "test-workflow",
Jobs: map[string]*model.Job{
"job1": {},
},
},
},
}
ee := rc.NewExpressionEvaluator(context.Background())
tables := []struct {
in string
out string
}{
{" text ", " text "},
{" $text ", " $text "},
{" ${text} ", " ${text} "},
{" ${{ 1 }} to ${{2}} ", " 1 to 2 "},
{" ${{ (true || false) }} to ${{2}} ", " true to 2 "},
{" ${{ (false || '}}' ) }} to ${{2}} ", " }} to 2 "},
{" ${{ env.KEYWITHNOTHING }} ", " valuewithnothing "},
{" ${{ env.KEY-WITH-HYPHENS }} ", " value-with-hyphens "},
{" ${{ env.KEY_WITH_UNDERSCORES }} ", " value_with_underscores "},
{"${{ secrets.CASE_INSENSITIVE_SECRET }}", "value"},
{"${{ secrets.case_insensitive_secret }}", "value"},
{"${{ vars.CASE_INSENSITIVE_VAR }}", "value"},
{"${{ vars.case_insensitive_var }}", "value"},
{"${{ env.UNKNOWN }}", ""},
{"${{ env.SOMETHING_TRUE }}", "true"},
{"${{ env.SOMETHING_FALSE }}", "false"},
{"${{ !env.SOMETHING_TRUE }}", "false"},
{"${{ !env.SOMETHING_FALSE }}", "false"},
{"${{ !env.SOMETHING_TRUE && true }}", "false"},
{"${{ !env.SOMETHING_FALSE && true }}", "false"},
{"${{ env.SOMETHING_TRUE && true }}", "true"},
{"${{ env.SOMETHING_FALSE && true }}", "true"},
{"${{ !env.SOMETHING_TRUE || true }}", "true"},
{"${{ !env.SOMETHING_FALSE || true }}", "true"},
{"${{ !env.SOMETHING_TRUE && false }}", "false"},
{"${{ !env.SOMETHING_FALSE && false }}", "false"},
{"${{ !env.SOMETHING_TRUE || false }}", "false"},
{"${{ !env.SOMETHING_FALSE || false }}", "false"},
{"${{ env.SOMETHING_TRUE || false }}", "true"},
{"${{ env.SOMETHING_FALSE || false }}", "false"},
{"${{ env.SOMETHING_FALSE }} && ${{ env.SOMETHING_TRUE }}", "false && true"},
{"${{ fromJSON('{}') < 2 }}", "false"},
}
updateTestExpressionWorkflow(t, tables, rc)
for _, table := range tables {
table := table
t.Run("interpolate", func(t *testing.T) {
assertObject := assert.New(t)
out := ee.Interpolate(context.Background(), table.in)
assertObject.Equal(table.out, out, table.in)
})
}
}
func updateTestExpressionWorkflow(t *testing.T, tables []struct {
in string
out string
}, rc *RunContext) {
var envs string
keys := make([]string, 0, len(rc.Env))
for k := range rc.Env {
keys = append(keys, k)
}
sort.Strings(keys)
for _, k := range keys {
envs += fmt.Sprintf(" %s: %s\n", k, rc.Env[k])
}
// editorconfig-checker-disable
workflow := fmt.Sprintf(`
name: "Test how expressions are handled on GitHub"
on: push
env:
%s
jobs:
test-espressions:
runs-on: ubuntu-latest
steps:
`, envs)
// editorconfig-checker-enable
for _, table := range tables {
expressionPattern := regexp.MustCompile(`\${{\s*(.+?)\s*}}`)
expr := expressionPattern.ReplaceAllStringFunc(table.in, func(match string) string {
return fmt.Sprintf("€{{ %s }}", expressionPattern.ReplaceAllString(match, "$1"))
})
name := fmt.Sprintf(`%s -> %s should be equal to %s`, expr, table.in, table.out)
echo := `run: echo "Done "`
workflow += fmt.Sprintf("\n - name: %s\n %s\n", name, echo)
}
file, err := os.Create("../../.github/workflows/test-expressions.yml")
if err != nil {
t.Fatal(err)
}
_, err = file.WriteString(workflow)
if err != nil {
t.Fatal(err)
}
}
func TestRewriteSubExpression(t *testing.T) {
table := []struct {
in string
out string
}{
{in: "Hello World", out: "Hello World"},
{in: "${{ true }}", out: "${{ true }}"},
{in: "${{ true }} ${{ true }}", out: "format('{0} {1}', true, true)"},
{in: "${{ true || false }} ${{ true && true }}", out: "format('{0} {1}', true || false, true && true)"},
{in: "${{ '}}' }}", out: "${{ '}}' }}"},
{in: "${{ '''}}''' }}", out: "${{ '''}}''' }}"},
{in: "${{ '''' }}", out: "${{ '''' }}"},
{in: `${{ fromJSON('"}}"') }}`, out: `${{ fromJSON('"}}"') }}`},
{in: `${{ fromJSON('"\"}}\""') }}`, out: `${{ fromJSON('"\"}}\""') }}`},
{in: `${{ fromJSON('"''}}"') }}`, out: `${{ fromJSON('"''}}"') }}`},
{in: "Hello ${{ 'World' }}", out: "format('Hello {0}', 'World')"},
}
for _, table := range table {
t.Run("TestRewriteSubExpression", func(t *testing.T) {
assertObject := assert.New(t)
out, err := rewriteSubExpression(context.Background(), table.in, false)
if err != nil {
t.Fatal(err)
}
assertObject.Equal(table.out, out, table.in)
})
}
}
func TestRewriteSubExpressionForceFormat(t *testing.T) {
table := []struct {
in string
out string
}{
{in: "Hello World", out: "Hello World"},
{in: "${{ true }}", out: "format('{0}', true)"},
{in: "${{ '}}' }}", out: "format('{0}', '}}')"},
{in: `${{ fromJSON('"}}"') }}`, out: `format('{0}', fromJSON('"}}"'))`},
{in: "Hello ${{ 'World' }}", out: "format('Hello {0}', 'World')"},
}
for _, table := range table {
t.Run("TestRewriteSubExpressionForceFormat", func(t *testing.T) {
assertObject := assert.New(t)
out, err := rewriteSubExpression(context.Background(), table.in, true)
if err != nil {
t.Fatal(err)
}
assertObject.Equal(table.out, out, table.in)
})
}
}