pulumi/pkg/codegen/go/gen_program_test.go

127 lines
3.9 KiB
Go

package gen
import (
"bytes"
"fmt"
"io/ioutil"
"os"
"path/filepath"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/pulumi/pulumi/pkg/v3/codegen"
"github.com/pulumi/pulumi/pkg/v3/codegen/hcl2/model/format"
"github.com/pulumi/pulumi/pkg/v3/codegen/hcl2/syntax"
"github.com/pulumi/pulumi/pkg/v3/codegen/pcl"
"github.com/pulumi/pulumi/pkg/v3/codegen/testing/test"
"github.com/pulumi/pulumi/pkg/v3/codegen/testing/utils"
"github.com/pulumi/pulumi/pkg/v3/testing/integration"
"github.com/pulumi/pulumi/sdk/v3/go/common/util/executable"
)
var testdataPath = filepath.Join("..", "testing", "test", "testdata")
func TestGenerateProgram(t *testing.T) {
t.Parallel()
test.TestProgramCodegen(t,
test.ProgramCodegenOptions{
Language: "go",
Extension: "go",
OutputFile: "main.go",
Check: goCheck,
GenProgram: GenerateProgram,
TestCases: test.PulumiPulumiProgramTests,
})
}
func TestCollectImports(t *testing.T) {
t.Parallel()
g := newTestGenerator(t, filepath.Join("aws-s3-logging-pp", "aws-s3-logging.pp"))
pulumiImports := codegen.NewStringSet()
stdImports := codegen.NewStringSet()
preambleHelperMethods := codegen.NewStringSet()
g.collectImports(g.program, stdImports, pulumiImports, preambleHelperMethods)
stdVals := stdImports.SortedValues()
pulumiVals := pulumiImports.SortedValues()
assert.Equal(t, 0, len(stdVals))
assert.Equal(t, 1, len(pulumiVals))
assert.Equal(t, "\"github.com/pulumi/pulumi-aws/sdk/v4/go/aws/s3\"", pulumiVals[0])
}
func newTestGenerator(t *testing.T, testFile string) *generator {
path := filepath.Join(testdataPath, testFile)
contents, err := ioutil.ReadFile(path)
require.NoErrorf(t, err, "could not read %v: %v", path, err)
parser := syntax.NewParser()
err = parser.ParseFile(bytes.NewReader(contents), filepath.Base(path))
if err != nil {
t.Fatalf("could not read %v: %v", path, err)
}
if parser.Diagnostics.HasErrors() {
t.Fatalf("failed to parse files: %v", parser.Diagnostics)
}
program, diags, err := pcl.BindProgram(parser.Files, pcl.PluginHost(utils.NewHost(testdataPath)))
if err != nil {
t.Fatalf("could not bind program: %v", err)
}
if diags.HasErrors() {
t.Fatalf("failed to bind program: %v", diags)
}
g := &generator{
program: program,
jsonTempSpiller: &jsonSpiller{},
ternaryTempSpiller: &tempSpiller{},
readDirTempSpiller: &readDirSpiller{},
splatSpiller: &splatSpiller{},
optionalSpiller: &optionalSpiller{},
scopeTraversalRoots: codegen.NewStringSet(),
arrayHelpers: make(map[string]*promptToInputArrayHelper),
}
g.Formatter = format.NewFormatter(g)
return g
}
func goCheck(t *testing.T, path string, _ codegen.StringSet) {
dir := filepath.Dir(path)
ex, err := executable.FindExecutable("go")
require.NoError(t, err)
// We remove go.mod to ensure tests are reproducible.
goMod := filepath.Join(dir, "go.mod")
if err = os.Remove(goMod); !os.IsNotExist(err) {
require.NoError(t, err)
}
err = integration.RunCommand(t, "generate go.mod",
[]string{ex, "mod", "init", "main"},
dir, &integration.ProgramTestOptions{})
require.NoError(t, err)
err = integration.RunCommand(t, "go tidy",
[]string{ex, "mod", "tidy"},
dir, &integration.ProgramTestOptions{})
require.NoError(t, err)
err = integration.RunCommand(t, "point towards local Go SDK",
[]string{ex, "mod", "edit",
fmt.Sprintf("--replace=%s=%s",
"github.com/pulumi/pulumi/sdk/v3",
"../../../../../../../sdk")},
dir, &integration.ProgramTestOptions{})
require.NoError(t, err)
err = integration.RunCommand(t, "go tidy after replace",
[]string{ex, "mod", "tidy"},
dir, &integration.ProgramTestOptions{})
require.NoError(t, err)
err = integration.RunCommand(t, "test build", []string{ex, "build", "-v", "all"},
dir, &integration.ProgramTestOptions{})
require.NoError(t, err)
os.Remove(filepath.Join(dir, "main"))
assert.NoError(t, err)
}