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skycfg_test.go
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// Copyright 2018 The Skycfg Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// SPDX-License-Identifier: Apache-2.0
package skycfg_test
import (
"context"
"fmt"
"reflect"
"strings"
"testing"
"go.starlark.net/starlark"
"google.golang.org/protobuf/proto"
"google.golang.org/protobuf/types/known/wrapperspb"
"github.com/stripe/skycfg"
pb "github.com/stripe/skycfg/internal/test_proto"
)
var testFiles = map[string]string{
"test1.sky": `
load("test2.sky", "helper2")
test_proto = proto.package("skycfg.test_proto")
def helper1():
s = struct(x = 12345)
return s.x
def test_helper1(t):
x = helper1()
t.assert(x == 12345)
def test_main(ctx):
msg = main(ctx)[0]
ctx.assert(len(msg.r_string) == 1)
ctx.assert(msg.r_string[0] == "var_value")
def main(ctx):
msg = test_proto.MessageV2()
msg.f_int64 = helper1()
msg.f_string = json.encode(helper2(ctx))
msg.r_string.append(ctx.vars["var_key"])
return [msg]
`,
"test2.sky": `
load("test3.sky", "helper3")
def helper2(ctx):
result = helper3(ctx)
result["key4"] = {
"key5": "value5",
"var_key": ctx.vars["var_key"],
}
return result
def test_helper2(t):
ctx = struct(vars = {
"var_key": "var_value",
})
result = helper2(ctx)
t.assert(result["key4"]["key5"] == "value5")
def test_helper2_fails(t):
ctx = struct(vars = {
"var_key": "var_value",
})
result = helper2(ctx)
t.assert(result["key4"]["key5"] == "value6")
def test_helper2_errors(t):
t.someundefinedfunc()
`,
"test3.sky": `
def helper3(ctx):
return {
"key1": "value1",
"key2": url.encode_query({"key3": "value3"}),
}
`,
"test4.sky": `
# Bad load
load("non_existent_file.sky", "test_func")
def main(ctx):
return []
`,
"test5.sky": `
# Syntax error detected on load
print(non_existent_var)
def main(ctx):
return []
`,
"test6.sky": `
# Main does not return protos
def main(ctx):
return ["str1", "str2"]
`,
"test7.sky": `
test_proto = proto.package("skycfg.test_proto")
# autoboxing of primitives into wrappers works
def main(ctx):
msg = test_proto.MessageV3()
msg.f_BoolValue = True
msg.f_StringValue = "something"
msg.f_DoubleValue = 18
msg.f_DoubleValue = 3110.4120
msg.f_Int32Value = 110
msg.f_Int64Value = 2148483647
msg.f_BytesValue = "foo/bar/baz"
msg.f_Uint32Value = 4294967295
msg.f_Uint64Value = 8294967295
msg.r_StringValue = ["s1","s2","s3"]
return [msg]
`,
"test8.sky": `
test_proto = proto.package("skycfg.test_proto")
# autoboxing but overflow error
def main(ctx):
msg = test_proto.MessageV3()
msg.f_Int32Value = 2147483648
return [msg]
`,
"test9.sky": `
test_proto = proto.package("skycfg.test_proto")
# autoboxing but not representable as int64 error
def main(ctx):
msg = test_proto.MessageV3()
msg.f_Int64Value = 999999999999999999999999999999
return [msg]
`,
"test10.sky": `
test_proto = proto.package("skycfg.test_proto")
# autoboxing but not representable as uint64 error
def main(ctx):
msg = test_proto.MessageV3()
msg.f_Uint64Value = -243789
return [msg]
`,
"test11.sky": `
test_proto = proto.package("skycfg.test_proto")
# autoboxing but not representable as uint32 error
def main(ctx):
msg = test_proto.MessageV3()
msg.f_Uint32Value = 4294967296
return [msg]
`,
"test12.sky": `
test_proto = proto.package("skycfg.test_proto")
def not_main(ctx):
msg = test_proto.MessageV2()
msg.f_int64 = 12345
msg.f_string = "12345"
return [msg]
`,
"test13.sky": `
test_proto = proto.package("skycfg.test_proto")
# nested list
def main(ctx):
msg = test_proto.MessageV2()
msg.f_int64 = 11111
msg.f_string = "11111"
msg2 = test_proto.MessageV2()
msg2.f_int64 = 22222
msg2.f_string = "22222"
msg3 = test_proto.MessageV2()
msg3.f_int64 = 33333
msg3.f_string = "33333"
msgs23 = [msg2, msg3]
return [msg, msgs23]
`,
"test14.sky": `
test_proto = proto.package("skycfg.test_proto")
# nested list
def main(ctx):
msg = test_proto.MessageV2()
msg.f_int64 = 11111
msg.f_string = "11111"
msg2 = test_proto.MessageV2()
msg2.f_int64 = 22222
msg2.f_string = "22222"
msg3 = test_proto.MessageV2()
msg3.f_int64 = 33333
msg3.f_string = "33333"
msg4 = test_proto.MessageV2()
msg4.f_int64 = 44444
msg4.f_string = "44444"
msgs12 = [msg, msg2]
msgs34 = [msg3, msg4]
return [msgs12, msgs34]
`,
"test15.sky": `
test_proto = proto.package("skycfg.test_proto")
# nested list
def main(ctx):
msg = test_proto.MessageV2()
msg.f_int64 = 11111
msg.f_string = "11111"
msg2 = test_proto.MessageV2()
msg2.f_int64 = 22222
msg2.f_string = "22222"
msg3 = test_proto.MessageV2()
msg3.f_int64 = 33333
msg3.f_string = "33333"
msg4 = test_proto.MessageV2()
msg4.f_int64 = 44444
msg4.f_string = "44444"
return [[msg, [msg2, msg3]], msg4]
`,
"test16.sky": `
test_proto = proto.package("skycfg.test_proto")
# nested list
def main(ctx):
msg = test_proto.MessageV2()
msg.f_int64 = 11111
msg.f_string = "11111"
msg2 = test_proto.MessageV2()
msg2.f_int64 = 22222
msg2.f_string = "22222"
msg3 = test_proto.MessageV2()
msg3.f_int64 = 33333
msg3.f_string = "33333"
msg4 = test_proto.MessageV2()
msg4.f_int64 = 44444
msg4.f_string = "44444"
return [[msg, [msg2, [msg3]]], msg4]
`,
"test13_string.sky": `
# nested list
def main(ctx):
msg = "11111"
msg2 = "22222"
msg3 = "33333"
msgs23 = [msg2, msg3]
return [msg, msgs23]
`,
"test14_string.sky": `
# nested list
def main(ctx):
msg = "11111"
msg2 = "22222"
msg3 = "33333"
msg4 = "44444"
msgs12 = [msg, msg2]
msgs34 = [msg3, msg4]
return [msgs12, msgs34]
`,
"test15_string.sky": `
# nested list
def main(ctx):
msg = "11111"
msg2 = "22222"
msg3 = "33333"
msg4 = "44444"
return [[msg, [msg2, msg3]], msg4]
`,
"test16_string.sky": `
test_proto = proto.package("skycfg.test_proto")
# nested list
def main(ctx):
msg = "11111"
msg2 = "22222"
msg3 = "33333"
msg4 = "44444"
return [[msg, [msg2, [msg3]]], msg4]
`,
"print/on_load.sky": `
print("hello world")
`,
"print/main_and_test.sky": `
def test_main(t):
print("hello world in test")
def main(ctx):
print("hello world in main")
`,
"test_17.sky": `
test_proto = proto.package("skycfg.test_proto")
def main(ctx, f_int64):
msg = test_proto.MessageV2()
msg.f_int64 = f_int64
return [msg]
`,
}
// testLoader is a simple loader that loads files from the testFiles map.
type testLoader struct{}
func (loader *testLoader) Resolve(ctx context.Context, name, fromPath string) (string, error) {
return name, nil
}
func (loader *testLoader) ReadFile(ctx context.Context, path string) ([]byte, error) {
if source, ok := testFiles[path]; ok {
return []byte(source), nil
}
return nil, fmt.Errorf("File %s not found", path)
}
type endToEndTestCase struct {
caseName string
fileToLoad string
vars starlark.StringDict
expLoadErr bool
expExecErr bool
expProtos []proto.Message
execOptions []skycfg.ExecOption
}
type ExecSkycfg func(config *skycfg.Config, testCase endToEndTestCase) ([]proto.Message, error)
func runTestCases(t *testing.T, testCases []endToEndTestCase, execSkycfg ExecSkycfg) {
loader := &testLoader{}
ctx := context.Background()
for _, testCase := range testCases {
config, err := skycfg.Load(ctx, testCase.fileToLoad, skycfg.WithFileReader(loader))
if testCase.expLoadErr {
if err == nil {
t.Error(
"Bad err result from LoadConfig for case", testCase.caseName,
"\nExpected non-nil",
"\nGot", err,
)
}
continue
} else {
if err != nil {
t.Error(
"Bad err result from LoadConfig for case", testCase.caseName,
"\nExpected nil",
"\nGot", err,
)
continue
}
}
protos, err := execSkycfg(config, testCase)
if testCase.expExecErr {
if err == nil {
t.Error(
"Bad err result from ExecMain for case", testCase.caseName,
"\nExpected non-nil",
"\nGot", err,
)
}
continue
} else {
if err != nil {
t.Error(
"Bad err result from ExecMain for case", testCase.caseName,
"\nExpected nil",
"\nGot", err,
)
continue
}
}
if len(protos) != len(testCase.expProtos) {
t.Fatalf("Expected %d protos, got %d", len(testCase.expProtos), len(protos))
}
for i := range testCase.expProtos {
expected := testCase.expProtos[i]
got := protos[i]
if !proto.Equal(expected, got) {
t.Errorf("Test %q: protos differed\nExpected: %s\nGot : %s", testCase.caseName, expected, got)
}
}
}
}
func TestSkycfgEndToEnd(t *testing.T) {
testCases := []endToEndTestCase{
endToEndTestCase{
caseName: "all good",
fileToLoad: "test1.sky",
vars: starlark.StringDict{
"var_key": starlark.String("var_value"),
},
expProtos: []proto.Message{
&pb.MessageV2{
FInt64: proto.Int64(12345),
FString: proto.String(
`{"key1":"value1","key2":"key3=value3","key4":{"key5":"value5","var_key":"var_value"}}`,
),
RString: []string{"var_value"},
},
},
},
endToEndTestCase{
caseName: "bad load target",
fileToLoad: "test4.sky",
expLoadErr: true,
},
endToEndTestCase{
caseName: "syntax error on load",
fileToLoad: "test5.sky",
expLoadErr: true,
},
endToEndTestCase{
caseName: "return non-protos",
fileToLoad: "test6.sky",
expExecErr: true,
},
endToEndTestCase{
caseName: "autoboxing primitives",
fileToLoad: "test7.sky",
expLoadErr: false,
expExecErr: false,
expProtos: []proto.Message{
&pb.MessageV3{
F_BoolValue: &wrapperspb.BoolValue{Value: true},
F_StringValue: &wrapperspb.StringValue{Value: "something"},
F_DoubleValue: &wrapperspb.DoubleValue{Value: 3110.4120},
F_Int32Value: &wrapperspb.Int32Value{Value: 110},
F_Int64Value: &wrapperspb.Int64Value{Value: 2148483647},
F_BytesValue: &wrapperspb.BytesValue{Value: []byte("foo/bar/baz")},
F_Uint32Value: &wrapperspb.UInt32Value{Value: 4294967295},
F_Uint64Value: &wrapperspb.UInt64Value{Value: 8294967295},
R_StringValue: []*wrapperspb.StringValue{
&wrapperspb.StringValue{Value: "s1"},
&wrapperspb.StringValue{Value: "s2"},
&wrapperspb.StringValue{Value: "s3"},
},
},
},
},
endToEndTestCase{
caseName: "flatten nested list",
fileToLoad: "test13.sky",
expProtos: []proto.Message{
&pb.MessageV2{
FInt64: proto.Int64(11111),
FString: proto.String("11111"),
},
&pb.MessageV2{
FInt64: proto.Int64(22222),
FString: proto.String("22222"),
},
&pb.MessageV2{
FInt64: proto.Int64(33333),
FString: proto.String("33333"),
},
},
execOptions: []skycfg.ExecOption{skycfg.WithFlattenLists()},
},
endToEndTestCase{
caseName: "flatten nested list 2",
fileToLoad: "test14.sky",
expProtos: []proto.Message{
&pb.MessageV2{
FInt64: proto.Int64(11111),
FString: proto.String("11111"),
},
&pb.MessageV2{
FInt64: proto.Int64(22222),
FString: proto.String("22222"),
},
&pb.MessageV2{
FInt64: proto.Int64(33333),
FString: proto.String("33333"),
},
&pb.MessageV2{
FInt64: proto.Int64(44444),
FString: proto.String("44444"),
},
},
execOptions: []skycfg.ExecOption{skycfg.WithFlattenLists()},
},
endToEndTestCase{
caseName: "flatten triple nested list",
fileToLoad: "test15.sky",
expProtos: []proto.Message{
&pb.MessageV2{
FInt64: proto.Int64(11111),
FString: proto.String("11111"),
},
&pb.MessageV2{
FInt64: proto.Int64(22222),
FString: proto.String("22222"),
},
&pb.MessageV2{
FInt64: proto.Int64(33333),
FString: proto.String("33333"),
},
&pb.MessageV2{
FInt64: proto.Int64(44444),
FString: proto.String("44444"),
},
},
execOptions: []skycfg.ExecOption{skycfg.WithFlattenLists()},
},
endToEndTestCase{
caseName: "flatten triple nested list 2",
fileToLoad: "test16.sky",
expProtos: []proto.Message{
&pb.MessageV2{
FInt64: proto.Int64(11111),
FString: proto.String("11111"),
},
&pb.MessageV2{
FInt64: proto.Int64(22222),
FString: proto.String("22222"),
},
&pb.MessageV2{
FInt64: proto.Int64(33333),
FString: proto.String("33333"),
},
&pb.MessageV2{
FInt64: proto.Int64(44444),
FString: proto.String("44444"),
},
},
execOptions: []skycfg.ExecOption{skycfg.WithFlattenLists()},
},
endToEndTestCase{
caseName: "value err when attempting to autobox a too large integer into Int32Value",
fileToLoad: "test8.sky",
expExecErr: true,
},
endToEndTestCase{
caseName: "value err when attempting to autobox a too large integer into Int64Value",
fileToLoad: "test9.sky",
expExecErr: true,
},
endToEndTestCase{
caseName: "value err when attempting to autobox a negative int into UInt64Value",
fileToLoad: "test10.sky",
expExecErr: true,
},
endToEndTestCase{
caseName: "value err when attempting to autobox a too large int into UInt32Value",
fileToLoad: "test11.sky",
expExecErr: true,
},
}
fnExecSkycfg := ExecSkycfg(func(config *skycfg.Config, testCase endToEndTestCase) ([]proto.Message, error) {
execOptions := append(testCase.execOptions, skycfg.WithVars(testCase.vars))
return config.Main(context.Background(), execOptions...)
})
runTestCases(t, testCases, fnExecSkycfg)
}
type endToEndTestCaseNonProtobuf struct {
caseName string
fileToLoad string
vars starlark.StringDict
expLoadErr bool
expExecErr bool
expStrings []string
execOptions []skycfg.ExecOption
}
type ExecSkycfgNonProtobuf func(config *skycfg.Config, testCase endToEndTestCaseNonProtobuf) ([]string, error)
func runTestCasesNonProtobuf(t *testing.T, testCases []endToEndTestCaseNonProtobuf, execSkycfg ExecSkycfgNonProtobuf) {
loader := &testLoader{}
ctx := context.Background()
for _, testCase := range testCases {
config, err := skycfg.Load(ctx, testCase.fileToLoad, skycfg.WithFileReader(loader))
if testCase.expLoadErr {
if err == nil {
t.Error(
"Bad err result from LoadConfig for case", testCase.caseName,
"\nExpected non-nil",
"\nGot", err,
)
}
continue
} else {
if err != nil {
t.Error(
"Bad err result from LoadConfig for case", testCase.caseName,
"\nExpected nil",
"\nGot", err,
)
continue
}
}
strings, err := execSkycfg(config, testCase)
if testCase.expExecErr {
if err == nil {
t.Error(
"Bad err result from ExecMain for case", testCase.caseName,
"\nExpected non-nil",
"\nGot", err,
)
}
continue
} else {
if err != nil {
t.Error(
"Bad err result from ExecMain for case", testCase.caseName,
"\nExpected nil",
"\nGot", err,
)
continue
}
}
if len(strings) != len(testCase.expStrings) {
t.Fatalf("Expected %d strings, got %d", len(testCase.expStrings), len(strings))
}
for i := range testCase.expStrings {
expected := testCase.expStrings[i]
got := strings[i]
if expected != got {
t.Errorf("Test %q: strings differed\nExpected: %s\nGot : %s", testCase.caseName, expected, got)
}
}
}
}
func TestSkycfgNonProtobufEndToEnd(t *testing.T) {
testCases := []endToEndTestCaseNonProtobuf{
endToEndTestCaseNonProtobuf{
caseName: "flatten nested list",
fileToLoad: "test13_string.sky",
expStrings: []string{
"11111",
"22222",
"33333",
},
execOptions: []skycfg.ExecOption{skycfg.WithFlattenLists()},
},
endToEndTestCaseNonProtobuf{
caseName: "flatten nested list 2",
fileToLoad: "test14_string.sky",
expStrings: []string{
"11111",
"22222",
"33333",
"44444",
},
execOptions: []skycfg.ExecOption{skycfg.WithFlattenLists()},
},
endToEndTestCaseNonProtobuf{
caseName: "flatten triple nested list",
fileToLoad: "test15_string.sky",
expStrings: []string{
"11111",
"22222",
"33333",
"44444",
},
execOptions: []skycfg.ExecOption{skycfg.WithFlattenLists()},
},
endToEndTestCaseNonProtobuf{
caseName: "flatten triple nested list 2",
fileToLoad: "test16_string.sky",
expStrings: []string{
"11111",
"22222",
"33333",
"44444",
},
execOptions: []skycfg.ExecOption{skycfg.WithFlattenLists()},
},
}
fnExecSkycfg := ExecSkycfgNonProtobuf(func(config *skycfg.Config, testCase endToEndTestCaseNonProtobuf) ([]string, error) {
execOptions := append(testCase.execOptions, skycfg.WithVars(testCase.vars))
return config.MainNonProtobuf(context.Background(), execOptions...)
})
runTestCasesNonProtobuf(t, testCases, fnExecSkycfg)
}
func TestSkycfgLogOutput_Load(t *testing.T) {
ctx := context.Background()
loader := new(testLoader)
var sb strings.Builder
_, err := skycfg.Load(ctx, "print/on_load.sky",
skycfg.WithFileReader(loader),
skycfg.WithLogOutput(&sb),
)
if err != nil {
t.Error(err)
}
out := sb.String()
expected := "[print/on_load.sky:2:6] hello world\n"
if out != expected {
t.Errorf("incorrect output: found %q, expected %q", out, expected)
}
}
func TestSkycfgLogOutput(t *testing.T) {
ctx := context.Background()
loader := new(testLoader)
cfg, err := skycfg.Load(ctx, "print/main_and_test.sky", skycfg.WithFileReader(loader))
if err != nil {
t.Error("while loading:", err)
}
test := cfg.Tests()[0]
t.Run("Exec", func(t *testing.T) {
var sb strings.Builder
_, err = cfg.Main(ctx, skycfg.WithLogOutput(&sb))
if err != nil {
t.Error("while running:", err)
}
out := sb.String()
expected := "[print/main_and_test.sky:6:7] hello world in main\n"
if out != expected {
t.Errorf("incorrect output: found %q, expected %q", out, expected)
}
})
t.Run("Test", func(t *testing.T) {
var sb strings.Builder
result, err := test.Run(ctx, skycfg.WithLogOutput(&sb))
if err != nil {
t.Error("while testing:", err)
}
if result.Failure != nil {
t.Error("while testing:", result.Failure)
}
out := sb.String()
expected := "[print/main_and_test.sky:3:7] hello world in test\n"
if out != expected {
t.Errorf("incorrect output: found %q, expected %q", out, expected)
}
})
}
func TestSkycfgWithEntryPoint(t *testing.T) {
testCases := []endToEndTestCase{
endToEndTestCase{
caseName: "all good",
fileToLoad: "test12.sky",
expProtos: []proto.Message{
&pb.MessageV2{
FInt64: proto.Int64(12345),
FString: proto.String("12345"),
},
},
},
}
fnExecSkycfg := ExecSkycfg(func(config *skycfg.Config, testCase endToEndTestCase) ([]proto.Message, error) {
return config.Main(context.Background(), skycfg.WithVars(testCase.vars), skycfg.WithEntryPoint("not_main"))
})
runTestCases(t, testCases, fnExecSkycfg)
}
func TestSkycfgWithPositionalArgs(t *testing.T) {
testCases := []endToEndTestCase{
endToEndTestCase{
caseName: "all good",
fileToLoad: "test_17.sky",
expProtos: []proto.Message{
&pb.MessageV2{
FInt64: proto.Int64(42),
},
},
},
}
fnExecSkycfg := ExecSkycfg(func(config *skycfg.Config, testCase endToEndTestCase) ([]proto.Message, error) {
return config.Main(context.Background(), skycfg.WithVars(testCase.vars), skycfg.WithPositionalArgs(starlark.MakeInt(42)))
})
runTestCases(t, testCases, fnExecSkycfg)
}
// testTestCase is a test case for the testing functionality built into skycfg
type testTestCase struct {
errors bool
passes bool
failureMsg string
}
func TestSkycfgTesting(t *testing.T) {
loader := &testLoader{}
ctx := context.Background()
config, err := skycfg.Load(ctx, "test1.sky", skycfg.WithFileReader(loader))
if err != nil {
t.Error("Unexpected error loading test1.sky", err)
}
cases := map[string]testTestCase{
"test_helper1": testTestCase{
passes: true,
},
"test_helper2": testTestCase{
passes: true,
},
"test_helper2_fails": testTestCase{
passes: false,
failureMsg: "assertion failed",
},
"test_helper2_errors": testTestCase{
errors: true,
},
"test_main": testTestCase{
passes: true,
},
}
tests := config.Tests()
if len(tests) != len(cases) {
t.Errorf("Expected %d tests but found %d", len(cases), len(tests))
}
for _, test := range tests {
result, err := test.Run(ctx, skycfg.WithTestVars(starlark.StringDict{
"var_key": starlark.String("var_value"),
}))
testCase, ok := cases[test.Name()]
if !ok {
t.Error("Could not find test case for test", test.Name())
continue
}
if (err != nil) != testCase.errors {
t.Errorf(
"[%s] Execution result (error: %t) did not equal expected execution result (error: %t). err: %s",
test.Name(),
err != nil,
testCase.errors,
err,
)
continue
}
// if the execution errors, the result is nil and theres nothing else to check
if err != nil {
continue
}
if result.TestName != test.Name() {
t.Errorf("TestResult (%s) and Test (%s) should have the same name", result.TestName, test.Name())
continue
}
if (result.Failure == nil) != testCase.passes {
t.Errorf(
"[%s] Test result (pass: %t) did not equal expected test result (pass: %t)",
test.Name(),
result.Failure == nil,
testCase.passes,
)
continue
}
if !testCase.passes {
// check the error message
if !strings.Contains(result.Failure.Error(), testCase.failureMsg) {
t.Errorf(
"[%s] Expected %s to be in failure message, but instead found %s",
test.Name(),
testCase.failureMsg,
result.Failure.Error(),
)
continue
}
}
}
}
type flattenStringTestCase struct {
inputList *starlark.List
expectedOutput []string
}
func TestFlattenStringList(t *testing.T) {
tests := []flattenStringTestCase{
{
inputList: starlark.NewList(
[]starlark.Value{
starlark.String("a"),
starlark.String("b"),
},
),
expectedOutput: []string{"a", "b"},
},
{
inputList: starlark.NewList(
[]starlark.Value{
starlark.String("a"),
starlark.NewList(
[]starlark.Value{
starlark.String("b"),
},
),
},
),
expectedOutput: []string{"a", "b"},
},
{
inputList: starlark.NewList(
[]starlark.Value{
starlark.String("a"),
starlark.NewList(
[]starlark.Value{
starlark.String("b"),
starlark.NewList(
[]starlark.Value{
starlark.String("c"),
},
),
},
),
},
),
expectedOutput: []string{"a", "b", "c"},
},
{
inputList: starlark.NewList(
[]starlark.Value{
starlark.NewList(
[]starlark.Value{
starlark.String("a"),
starlark.String("b"),
},
),
starlark.NewList(
[]starlark.Value{
starlark.String("c"),
starlark.String("d"),
},
),
},
),
expectedOutput: []string{"a", "b", "c", "d"},
},
}
for _, test := range tests {
out, err := skycfg.FlattenStringList(test.inputList)
if err != nil {
t.Errorf("flattenStringList error: %s", err)
}
if !reflect.DeepEqual(out, test.expectedOutput) {
t.Errorf("flattenStringList assertion failure: expected %v was %v", test.expectedOutput, out)
}