rules_cc/tools/migration/crosstool_to_starlark_lib_t...

1098 lines
32 KiB
Go

package crosstooltostarlarklib
import (
"fmt"
"strings"
"testing"
"log"
"github.com/golang/protobuf/proto"
crosstoolpb "third_party/com/github/bazelbuild/bazel/src/main/protobuf/crosstool_config_go_proto"
)
func makeCToolchainString(lines []string) string {
return fmt.Sprintf(`toolchain {
%s
}`, strings.Join(lines, "\n "))
}
func makeCrosstool(CToolchains []string) *crosstoolpb.CrosstoolRelease {
crosstool := &crosstoolpb.CrosstoolRelease{}
requiredFields := []string{
"major_version: '0'",
"minor_version: '0'",
"default_target_cpu: 'cpu'",
}
CToolchains = append(CToolchains, requiredFields...)
if err := proto.UnmarshalText(strings.Join(CToolchains, "\n"), crosstool); err != nil {
log.Fatalf("Failed to parse CROSSTOOL:", err)
}
return crosstool
}
func getSimpleCToolchain(id string) string {
lines := []string{
"toolchain_identifier: 'id-" + id + "'",
"host_system_name: 'host-" + id + "'",
"target_system_name: 'target-" + id + "'",
"target_cpu: 'cpu-" + id + "'",
"compiler: 'compiler-" + id + "'",
"target_libc: 'libc-" + id + "'",
"abi_version: 'version-" + id + "'",
"abi_libc_version: 'libc_version-" + id + "'",
}
return makeCToolchainString(lines)
}
func getCToolchain(id, cpu, compiler string, extraLines []string) string {
lines := []string{
"toolchain_identifier: '" + id + "'",
"host_system_name: 'host'",
"target_system_name: 'target'",
"target_cpu: '" + cpu + "'",
"compiler: '" + compiler + "'",
"target_libc: 'libc'",
"abi_version: 'version'",
"abi_libc_version: 'libc_version'",
}
lines = append(lines, extraLines...)
return makeCToolchainString(lines)
}
func TestStringFieldsConditionStatement(t *testing.T) {
toolchain1 := getSimpleCToolchain("1")
toolchain2 := getSimpleCToolchain("2")
toolchains := []string{toolchain1, toolchain2}
crosstool := makeCrosstool(toolchains)
testCases := []struct {
field string
expectedText string
}{
{field: "toolchain_identifier",
expectedText: `
if (ctx.attr.cpu == "cpu-1"):
toolchain_identifier = "id-1"
elif (ctx.attr.cpu == "cpu-2"):
toolchain_identifier = "id-2"
else:
fail("Unreachable")`},
{field: "host_system_name",
expectedText: `
if (ctx.attr.cpu == "cpu-1"):
host_system_name = "host-1"
elif (ctx.attr.cpu == "cpu-2"):
host_system_name = "host-2"
else:
fail("Unreachable")`},
{field: "target_system_name",
expectedText: `
if (ctx.attr.cpu == "cpu-1"):
target_system_name = "target-1"
elif (ctx.attr.cpu == "cpu-2"):
target_system_name = "target-2"
else:
fail("Unreachable")`},
{field: "target_cpu",
expectedText: `
if (ctx.attr.cpu == "cpu-1"):
target_cpu = "cpu-1"
elif (ctx.attr.cpu == "cpu-2"):
target_cpu = "cpu-2"
else:
fail("Unreachable")`},
{field: "target_libc",
expectedText: `
if (ctx.attr.cpu == "cpu-1"):
target_libc = "libc-1"
elif (ctx.attr.cpu == "cpu-2"):
target_libc = "libc-2"
else:
fail("Unreachable")`},
{field: "compiler",
expectedText: `
if (ctx.attr.cpu == "cpu-1"):
compiler = "compiler-1"
elif (ctx.attr.cpu == "cpu-2"):
compiler = "compiler-2"
else:
fail("Unreachable")`},
{field: "abi_version",
expectedText: `
if (ctx.attr.cpu == "cpu-1"):
abi_version = "version-1"
elif (ctx.attr.cpu == "cpu-2"):
abi_version = "version-2"
else:
fail("Unreachable")`},
{field: "abi_libc_version",
expectedText: `
if (ctx.attr.cpu == "cpu-1"):
abi_libc_version = "libc_version-1"
elif (ctx.attr.cpu == "cpu-2"):
abi_libc_version = "libc_version-2"
else:
fail("Unreachable")`}}
got, err := Transform(crosstool)
if err != nil {
t.Fatalf("CROSSTOOL conversion failed: %v", err)
}
failed := false
for _, tc := range testCases {
if !strings.Contains(got, tc.expectedText) {
t.Errorf("Failed to correctly convert '%s' field, expected to contain:\n%v\n",
tc.field, tc.expectedText)
failed = true
}
}
if failed {
t.Fatalf("Tested CROSSTOOL:\n%v\n\nGenerated rule:\n%v\n",
strings.Join(toolchains, "\n"), got)
}
}
func TestConditionsSameCpu(t *testing.T) {
toolchainAA := getCToolchain("1", "cpuA", "compilerA", []string{})
toolchainAB := getCToolchain("2", "cpuA", "compilerB", []string{})
toolchains := []string{toolchainAA, toolchainAB}
crosstool := makeCrosstool(toolchains)
testCases := []struct {
field string
expectedText string
}{
{field: "toolchain_identifier",
expectedText: `
if (ctx.attr.cpu == "cpuA" and ctx.attr.compiler == "compilerA"):
toolchain_identifier = "1"
elif (ctx.attr.cpu == "cpuA" and ctx.attr.compiler == "compilerB"):
toolchain_identifier = "2"
else:
fail("Unreachable")`},
{field: "host_system_name",
expectedText: `
host_system_name = "host"`},
{field: "target_system_name",
expectedText: `
target_system_name = "target"`},
{field: "target_cpu",
expectedText: `
target_cpu = "cpuA"`},
{field: "target_libc",
expectedText: `
target_libc = "libc"`},
{field: "compiler",
expectedText: `
if (ctx.attr.cpu == "cpuA" and ctx.attr.compiler == "compilerA"):
compiler = "compilerA"
elif (ctx.attr.cpu == "cpuA" and ctx.attr.compiler == "compilerB"):
compiler = "compilerB"
else:
fail("Unreachable")`},
{field: "abi_version",
expectedText: `
abi_version = "version"`},
{field: "abi_libc_version",
expectedText: `
abi_libc_version = "libc_version"`}}
got, err := Transform(crosstool)
if err != nil {
t.Fatalf("CROSSTOOL conversion failed: %v", err)
}
failed := false
for _, tc := range testCases {
if !strings.Contains(got, tc.expectedText) {
t.Errorf("Failed to correctly convert '%s' field, expected to contain:\n%v\n",
tc.field, tc.expectedText)
failed = true
}
}
if failed {
t.Fatalf("Tested CROSSTOOL:\n%v\n\nGenerated rule:\n%v\n",
strings.Join(toolchains, "\n"), got)
}
}
func TestConditionsSameCompiler(t *testing.T) {
toolchainAA := getCToolchain("1", "cpuA", "compilerA", []string{})
toolchainBA := getCToolchain("2", "cpuB", "compilerA", []string{})
toolchains := []string{toolchainAA, toolchainBA}
crosstool := makeCrosstool(toolchains)
testCases := []struct {
field string
expectedText string
}{
{field: "toolchain_identifier",
expectedText: `
if (ctx.attr.cpu == "cpuA"):
toolchain_identifier = "1"
elif (ctx.attr.cpu == "cpuB"):
toolchain_identifier = "2"
else:
fail("Unreachable")`},
{field: "target_cpu",
expectedText: `
if (ctx.attr.cpu == "cpuA"):
target_cpu = "cpuA"
elif (ctx.attr.cpu == "cpuB"):
target_cpu = "cpuB"
else:
fail("Unreachable")`},
{field: "compiler",
expectedText: `
compiler = "compilerA"`}}
got, err := Transform(crosstool)
if err != nil {
t.Fatalf("CROSSTOOL conversion failed: %v", err)
}
failed := false
for _, tc := range testCases {
if !strings.Contains(got, tc.expectedText) {
t.Errorf("Failed to correctly convert '%s' field, expected to contain:\n%v\n",
tc.field, tc.expectedText)
failed = true
}
}
if failed {
t.Fatalf("Tested CROSSTOOL:\n%v\n\nGenerated rule:\n%v\n",
strings.Join(toolchains, "\n"), got)
}
}
func TestNonMandatoryStrings(t *testing.T) {
toolchainAA := getCToolchain("1", "cpuA", "compilerA", []string{"cc_target_os: 'osA'"})
toolchainBB := getCToolchain("2", "cpuB", "compilerB", []string{})
toolchains := []string{toolchainAA, toolchainBB}
crosstool := makeCrosstool(toolchains)
testCases := []struct {
field string
expectedText string
}{
{field: "cc_target_os",
expectedText: `
if (ctx.attr.cpu == "cpuB"):
cc_target_os = None
elif (ctx.attr.cpu == "cpuA"):
cc_target_os = "osA"
else:
fail("Unreachable")`},
{field: "builtin_sysroot",
expectedText: `
builtin_sysroot = None`}}
got, err := Transform(crosstool)
if err != nil {
t.Fatalf("CROSSTOOL conversion failed: %v", err)
}
failed := false
for _, tc := range testCases {
if !strings.Contains(got, tc.expectedText) {
t.Errorf("Failed to correctly convert '%s' field, expected to contain:\n%v\n",
tc.field, tc.expectedText)
failed = true
}
}
if failed {
t.Fatalf("Tested CROSSTOOL:\n%v\n\nGenerated rule:\n%v\n",
strings.Join(toolchains, "\n"), got)
}
}
func TestBuiltinIncludeDirectories(t *testing.T) {
toolchainAA := getCToolchain("1", "cpuA", "compilerA", []string{})
toolchainBA := getCToolchain("2", "cpuB", "compilerA", []string{})
toolchainCA := getCToolchain("3", "cpuC", "compilerA",
[]string{"cxx_builtin_include_directory: 'dirC'"})
toolchainCB := getCToolchain("4", "cpuC", "compilerB",
[]string{"cxx_builtin_include_directory: 'dirC'",
"cxx_builtin_include_directory: 'dirB'"})
toolchainDA := getCToolchain("5", "cpuD", "compilerA",
[]string{"cxx_builtin_include_directory: 'dirC'"})
toolchainsEmpty := []string{toolchainAA, toolchainBA}
toolchainsOneNonempty := []string{toolchainAA, toolchainBA, toolchainCA}
toolchainsSameNonempty := []string{toolchainCA, toolchainDA}
allToolchains := []string{toolchainAA, toolchainBA, toolchainCA, toolchainCB, toolchainDA}
testCases := []struct {
field string
toolchains []string
expectedText string
}{
{field: "cxx_builtin_include_directories",
toolchains: toolchainsEmpty,
expectedText: `
cxx_builtin_include_directories = []`},
{field: "cxx_builtin_include_directories",
toolchains: toolchainsOneNonempty,
expectedText: `
if (ctx.attr.cpu == "cpuA"
or ctx.attr.cpu == "cpuB"):
cxx_builtin_include_directories = []
elif (ctx.attr.cpu == "cpuC"):
cxx_builtin_include_directories = ["dirC"]
else:
fail("Unreachable")`},
{field: "cxx_builtin_include_directories",
toolchains: toolchainsSameNonempty,
expectedText: `
cxx_builtin_include_directories = ["dirC"]`},
{field: "cxx_builtin_include_directories",
toolchains: allToolchains,
expectedText: `
if (ctx.attr.cpu == "cpuA"
or ctx.attr.cpu == "cpuB"):
cxx_builtin_include_directories = []
elif (ctx.attr.cpu == "cpuC" and ctx.attr.compiler == "compilerA"
or ctx.attr.cpu == "cpuD"):
cxx_builtin_include_directories = ["dirC"]
elif (ctx.attr.cpu == "cpuC" and ctx.attr.compiler == "compilerB"):
cxx_builtin_include_directories = ["dirC", "dirB"]`}}
for _, tc := range testCases {
crosstool := makeCrosstool(tc.toolchains)
got, err := Transform(crosstool)
if err != nil {
t.Fatalf("CROSSTOOL conversion failed: %v", err)
}
if !strings.Contains(got, tc.expectedText) {
t.Errorf("Failed to correctly convert '%s' field, expected to contain:\n%v\n",
tc.field, tc.expectedText)
t.Fatalf("Tested CROSSTOOL:\n%v\n\nGenerated rule:\n%v\n",
strings.Join(tc.toolchains, "\n"), got)
}
}
}
func TestMakeVariables(t *testing.T) {
toolchainEmpty1 := getCToolchain("1", "cpuA", "compilerA", []string{})
toolchainEmpty2 := getCToolchain("2", "cpuB", "compilerA", []string{})
toolchainA1 := getCToolchain("3", "cpuC", "compilerA",
[]string{"make_variable {name: 'A', value: 'a/b/c'}"})
toolchainA2 := getCToolchain("4", "cpuC", "compilerB",
[]string{"make_variable {name: 'A', value: 'a/b/c'}"})
toolchainAB := getCToolchain("5", "cpuC", "compilerC",
[]string{"make_variable {name: 'A', value: 'a/b/c'}",
"make_variable {name: 'B', value: 'a/b/c'}"})
toolchainBA := getCToolchain("6", "cpuD", "compilerA",
[]string{"make_variable {name: 'B', value: 'a/b/c'}",
"make_variable {name: 'A', value: 'a b c'}"})
toolchainsEmpty := []string{toolchainEmpty1, toolchainEmpty2}
toolchainsOneNonempty := []string{toolchainEmpty1, toolchainA1}
toolchainsSameNonempty := []string{toolchainA1, toolchainA2}
toolchainsDifferentOrder := []string{toolchainAB, toolchainBA}
allToolchains := []string{
toolchainEmpty1,
toolchainEmpty2,
toolchainA1,
toolchainA2,
toolchainAB,
toolchainBA,
}
testCases := []struct {
field string
toolchains []string
expectedText string
}{
{field: "make_variables",
toolchains: toolchainsEmpty,
expectedText: `
make_variables = []`},
{field: "make_variables",
toolchains: toolchainsOneNonempty,
expectedText: `
if (ctx.attr.cpu == "cpuA"):
make_variables = []
elif (ctx.attr.cpu == "cpuC"):
make_variables = [make_variable(name = "A", value = "a/b/c")]
else:
fail("Unreachable")`},
{field: "make_variables",
toolchains: toolchainsSameNonempty,
expectedText: `
make_variables = [make_variable(name = "A", value = "a/b/c")]`},
{field: "make_variables",
toolchains: toolchainsDifferentOrder,
expectedText: `
if (ctx.attr.cpu == "cpuC"):
make_variables = [
make_variable(name = "A", value = "a/b/c"),
make_variable(name = "B", value = "a/b/c"),
]
elif (ctx.attr.cpu == "cpuD"):
make_variables = [
make_variable(name = "B", value = "a/b/c"),
make_variable(name = "A", value = "a b c"),
]
else:
fail("Unreachable")`},
{field: "make_variables",
toolchains: allToolchains,
expectedText: `
if (ctx.attr.cpu == "cpuC" and ctx.attr.compiler == "compilerC"):
make_variables = [
make_variable(name = "A", value = "a/b/c"),
make_variable(name = "B", value = "a/b/c"),
]
elif (ctx.attr.cpu == "cpuD"):
make_variables = [
make_variable(name = "B", value = "a/b/c"),
make_variable(name = "A", value = "a b c"),
]
elif (ctx.attr.cpu == "cpuA"
or ctx.attr.cpu == "cpuB"):
make_variables = []
elif (ctx.attr.cpu == "cpuC" and ctx.attr.compiler == "compilerA"
or ctx.attr.cpu == "cpuC" and ctx.attr.compiler == "compilerB"):
make_variables = [make_variable(name = "A", value = "a/b/c")]
else:
fail("Unreachable")`}}
for _, tc := range testCases {
crosstool := makeCrosstool(tc.toolchains)
got, err := Transform(crosstool)
if err != nil {
t.Fatalf("CROSSTOOL conversion failed: %v", err)
}
if !strings.Contains(got, tc.expectedText) {
t.Errorf("Failed to correctly convert '%s' field, expected to contain:\n%v\n",
tc.field, tc.expectedText)
t.Fatalf("Tested CROSSTOOL:\n%v\n\nGenerated rule:\n%v\n",
strings.Join(tc.toolchains, "\n"), got)
}
}
}
func TestToolPaths(t *testing.T) {
toolchainEmpty1 := getCToolchain("1", "cpuA", "compilerA", []string{})
toolchainEmpty2 := getCToolchain("2", "cpuB", "compilerA", []string{})
toolchainA1 := getCToolchain("3", "cpuC", "compilerA",
[]string{"tool_path {name: 'A', path: 'a/b/c'}"})
toolchainA2 := getCToolchain("4", "cpuC", "compilerB",
[]string{"tool_path {name: 'A', path: 'a/b/c'}"})
toolchainAB := getCToolchain("5", "cpuC", "compilerC",
[]string{"tool_path {name: 'A', path: 'a/b/c'}",
"tool_path {name: 'B', path: 'a/b/c'}"})
toolchainBA := getCToolchain("6", "cpuD", "compilerA",
[]string{"tool_path {name: 'B', path: 'a/b/c'}",
"tool_path {name: 'A', path: 'a/b/c'}"})
toolchainsEmpty := []string{toolchainEmpty1, toolchainEmpty2}
toolchainsOneNonempty := []string{toolchainEmpty1, toolchainA1}
toolchainsSameNonempty := []string{toolchainA1, toolchainA2}
toolchainsDifferentOrder := []string{toolchainAB, toolchainBA}
allToolchains := []string{
toolchainEmpty1,
toolchainEmpty2,
toolchainA1,
toolchainA2,
toolchainAB,
toolchainBA,
}
testCases := []struct {
field string
toolchains []string
expectedText string
}{
{field: "tool_paths",
toolchains: toolchainsEmpty,
expectedText: `
tool_paths = []`},
{field: "tool_paths",
toolchains: toolchainsOneNonempty,
expectedText: `
if (ctx.attr.cpu == "cpuA"):
tool_paths = []
elif (ctx.attr.cpu == "cpuC"):
tool_paths = [tool_path(name = "A", path = "a/b/c")]
else:
fail("Unreachable")`},
{field: "tool_paths",
toolchains: toolchainsSameNonempty,
expectedText: `
tool_paths = [tool_path(name = "A", path = "a/b/c")]`},
{field: "tool_paths",
toolchains: toolchainsDifferentOrder,
expectedText: `
if (ctx.attr.cpu == "cpuC"):
tool_paths = [
tool_path(name = "A", path = "a/b/c"),
tool_path(name = "B", path = "a/b/c"),
]
elif (ctx.attr.cpu == "cpuD"):
tool_paths = [
tool_path(name = "B", path = "a/b/c"),
tool_path(name = "A", path = "a/b/c"),
]
else:
fail("Unreachable")`},
{field: "tool_paths",
toolchains: allToolchains,
expectedText: `
if (ctx.attr.cpu == "cpuC" and ctx.attr.compiler == "compilerC"):
tool_paths = [
tool_path(name = "A", path = "a/b/c"),
tool_path(name = "B", path = "a/b/c"),
]
elif (ctx.attr.cpu == "cpuD"):
tool_paths = [
tool_path(name = "B", path = "a/b/c"),
tool_path(name = "A", path = "a/b/c"),
]
elif (ctx.attr.cpu == "cpuA"
or ctx.attr.cpu == "cpuB"):
tool_paths = []
elif (ctx.attr.cpu == "cpuC" and ctx.attr.compiler == "compilerA"
or ctx.attr.cpu == "cpuC" and ctx.attr.compiler == "compilerB"):
tool_paths = [tool_path(name = "A", path = "a/b/c")]
else:
fail("Unreachable")`}}
for _, tc := range testCases {
crosstool := makeCrosstool(tc.toolchains)
got, err := Transform(crosstool)
if err != nil {
t.Fatalf("CROSSTOOL conversion failed: %v", err)
}
if !strings.Contains(got, tc.expectedText) {
t.Errorf("Failed to correctly convert '%s' field, expected to contain:\n%v\n",
tc.field, tc.expectedText)
t.Fatalf("Tested CROSSTOOL:\n%v\n\nGenerated rule:\n%v\n",
strings.Join(tc.toolchains, "\n"), got)
}
}
}
func getArtifactNamePattern(lines []string) string {
return fmt.Sprintf(`artifact_name_pattern {
%s
}`, strings.Join(lines, "\n "))
}
func TestArtifactNamePatterns(t *testing.T) {
toolchainEmpty1 := getCToolchain("1", "cpuA", "compilerA", []string{})
toolchainEmpty2 := getCToolchain("2", "cpuB", "compilerA", []string{})
toolchainA1 := getCToolchain("3", "cpuC", "compilerA",
[]string{
getArtifactNamePattern([]string{
"category_name: 'A'",
"prefix: 'p'",
"extension: '.exe'"}),
},
)
toolchainA2 := getCToolchain("4", "cpuC", "compilerB",
[]string{
getArtifactNamePattern([]string{
"category_name: 'A'",
"prefix: 'p'",
"extension: '.exe'"}),
},
)
toolchainAB := getCToolchain("5", "cpuC", "compilerC",
[]string{
getArtifactNamePattern([]string{
"category_name: 'A'",
"prefix: 'p'",
"extension: '.exe'"}),
getArtifactNamePattern([]string{
"category_name: 'B'",
"prefix: 'p'",
"extension: '.exe'"}),
},
)
toolchainBA := getCToolchain("6", "cpuD", "compilerA",
[]string{
getArtifactNamePattern([]string{
"category_name: 'B'",
"prefix: 'p'",
"extension: '.exe'"}),
getArtifactNamePattern([]string{
"category_name: 'A'",
"prefix: 'p'",
"extension: '.exe'"}),
},
)
toolchainsEmpty := []string{toolchainEmpty1, toolchainEmpty2}
toolchainsOneNonempty := []string{toolchainEmpty1, toolchainA1}
toolchainsSameNonempty := []string{toolchainA1, toolchainA2}
toolchainsDifferentOrder := []string{toolchainAB, toolchainBA}
allToolchains := []string{
toolchainEmpty1,
toolchainEmpty2,
toolchainA1,
toolchainA2,
toolchainAB,
toolchainBA,
}
testCases := []struct {
field string
toolchains []string
expectedText string
}{
{field: "artifact_name_patterns",
toolchains: toolchainsEmpty,
expectedText: `
artifact_name_patterns = []`},
{field: "artifact_name_patterns",
toolchains: toolchainsOneNonempty,
expectedText: `
if (ctx.attr.cpu == "cpuC"):
artifact_name_patterns = [
artifact_name_pattern(
category_name = "A",
prefix = "p",
extension = ".exe",
),
]
elif (ctx.attr.cpu == "cpuA"):
artifact_name_patterns = []
else:
fail("Unreachable")`},
{field: "artifact_name_patterns",
toolchains: toolchainsSameNonempty,
expectedText: `
artifact_name_patterns = [
artifact_name_pattern(
category_name = "A",
prefix = "p",
extension = ".exe",
),
]`},
{field: "artifact_name_patterns",
toolchains: toolchainsDifferentOrder,
expectedText: `
if (ctx.attr.cpu == "cpuC"):
artifact_name_patterns = [
artifact_name_pattern(
category_name = "A",
prefix = "p",
extension = ".exe",
),
artifact_name_pattern(
category_name = "B",
prefix = "p",
extension = ".exe",
),
]
elif (ctx.attr.cpu == "cpuD"):
artifact_name_patterns = [
artifact_name_pattern(
category_name = "B",
prefix = "p",
extension = ".exe",
),
artifact_name_pattern(
category_name = "A",
prefix = "p",
extension = ".exe",
),
]
else:
fail("Unreachable")`},
{field: "artifact_name_patterns",
toolchains: allToolchains,
expectedText: `
if (ctx.attr.cpu == "cpuC" and ctx.attr.compiler == "compilerC"):
artifact_name_patterns = [
artifact_name_pattern(
category_name = "A",
prefix = "p",
extension = ".exe",
),
artifact_name_pattern(
category_name = "B",
prefix = "p",
extension = ".exe",
),
]
elif (ctx.attr.cpu == "cpuC" and ctx.attr.compiler == "compilerA"
or ctx.attr.cpu == "cpuC" and ctx.attr.compiler == "compilerB"):
artifact_name_patterns = [
artifact_name_pattern(
category_name = "A",
prefix = "p",
extension = ".exe",
),
]
elif (ctx.attr.cpu == "cpuD"):
artifact_name_patterns = [
artifact_name_pattern(
category_name = "B",
prefix = "p",
extension = ".exe",
),
artifact_name_pattern(
category_name = "A",
prefix = "p",
extension = ".exe",
),
]
elif (ctx.attr.cpu == "cpuA"
or ctx.attr.cpu == "cpuB"):
artifact_name_patterns = []
else:
fail("Unreachable")`}}
for _, tc := range testCases {
crosstool := makeCrosstool(tc.toolchains)
got, err := Transform(crosstool)
if err != nil {
t.Fatalf("CROSSTOOL conversion failed: %v", err)
}
if !strings.Contains(got, tc.expectedText) {
t.Errorf("Failed to correctly convert '%s' field, expected to contain:\n%v\n",
tc.field, tc.expectedText)
t.Fatalf("Tested CROSSTOOL:\n%v\n\nGenerated rule:\n%v\n",
strings.Join(tc.toolchains, "\n"), got)
}
}
}
func getFeature(lines []string) string {
return fmt.Sprintf(`feature {
%s
}`, strings.Join(lines, "\n "))
}
func TestFeatureListAssignment(t *testing.T) {
toolchainEmpty1 := getCToolchain("1", "cpuA", "compilerA", []string{})
toolchainEmpty2 := getCToolchain("2", "cpuB", "compilerA", []string{})
toolchainA1 := getCToolchain("3", "cpuC", "compilerA",
[]string{getFeature([]string{"name: 'A'"})},
)
toolchainA2 := getCToolchain("4", "cpuC", "compilerB",
[]string{getFeature([]string{"name: 'A'"})},
)
toolchainAB := getCToolchain("5", "cpuC", "compilerC",
[]string{
getFeature([]string{"name: 'A'"}),
getFeature([]string{"name: 'B'"}),
},
)
toolchainBA := getCToolchain("6", "cpuD", "compilerA",
[]string{
getFeature([]string{"name: 'B'"}),
getFeature([]string{"name: 'A'"}),
},
)
toolchainsEmpty := []string{toolchainEmpty1, toolchainEmpty2}
toolchainsOneNonempty := []string{toolchainEmpty1, toolchainA1}
toolchainsSameNonempty := []string{toolchainA1, toolchainA2}
toolchainsDifferentOrder := []string{toolchainAB, toolchainBA}
allToolchains := []string{
toolchainEmpty1,
toolchainEmpty2,
toolchainA1,
toolchainA2,
toolchainAB,
toolchainBA,
}
testCases := []struct {
field string
toolchains []string
expectedText string
}{
{field: "features",
toolchains: toolchainsEmpty,
expectedText: `
features = []`},
{field: "features",
toolchains: toolchainsOneNonempty,
expectedText: `
if (ctx.attr.cpu == "cpuA"):
features = []
elif (ctx.attr.cpu == "cpuC"):
features = [a_feature]
else:
fail("Unreachable")`},
{field: "features",
toolchains: toolchainsSameNonempty,
expectedText: `
features = [a_feature]`},
{field: "features",
toolchains: toolchainsDifferentOrder,
expectedText: `
if (ctx.attr.cpu == "cpuC"):
features = [a_feature, b_feature]
elif (ctx.attr.cpu == "cpuD"):
features = [b_feature, a_feature]
else:
fail("Unreachable")`},
{field: "features",
toolchains: allToolchains,
expectedText: `
if (ctx.attr.cpu == "cpuA"
or ctx.attr.cpu == "cpuB"):
features = []
elif (ctx.attr.cpu == "cpuC" and ctx.attr.compiler == "compilerA"
or ctx.attr.cpu == "cpuC" and ctx.attr.compiler == "compilerB"):
features = [a_feature]
elif (ctx.attr.cpu == "cpuC" and ctx.attr.compiler == "compilerC"):
features = [a_feature, b_feature]
elif (ctx.attr.cpu == "cpuD"):
features = [b_feature, a_feature]
else:
fail("Unreachable")`}}
for _, tc := range testCases {
crosstool := makeCrosstool(tc.toolchains)
got, err := Transform(crosstool)
if err != nil {
t.Fatalf("CROSSTOOL conversion failed: %v", err)
}
if !strings.Contains(got, tc.expectedText) {
t.Errorf("Failed to correctly convert '%s' field, expected to contain:\n%v\n",
tc.field, tc.expectedText)
t.Fatalf("Tested CROSSTOOL:\n%v\n\nGenerated rule:\n%v\n",
strings.Join(tc.toolchains, "\n"), got)
}
}
}
func getActionConfig(lines []string) string {
return fmt.Sprintf(`action_config {
%s
}`, strings.Join(lines, "\n "))
}
func TestActionConfigListAssignment(t *testing.T) {
toolchainEmpty1 := getCToolchain("1", "cpuA", "compilerA", []string{})
toolchainEmpty2 := getCToolchain("2", "cpuB", "compilerA", []string{})
toolchainA1 := getCToolchain("3", "cpuC", "compilerA",
[]string{
getActionConfig([]string{"action_name: 'A'", "config_name: 'A'"}),
},
)
toolchainA2 := getCToolchain("4", "cpuC", "compilerB",
[]string{
getActionConfig([]string{"action_name: 'A'", "config_name: 'A'"}),
},
)
toolchainAB := getCToolchain("5", "cpuC", "compilerC",
[]string{
getActionConfig([]string{"action_name: 'A'", "config_name: 'A'"}),
getActionConfig([]string{"action_name: 'B'", "config_name: 'B'"}),
},
)
toolchainBA := getCToolchain("6", "cpuD", "compilerA",
[]string{
getActionConfig([]string{"action_name: 'B'", "config_name: 'B'"}),
getActionConfig([]string{"action_name: 'A'", "config_name: 'A'"}),
},
)
toolchainsEmpty := []string{toolchainEmpty1, toolchainEmpty2}
toolchainsOneNonempty := []string{toolchainEmpty1, toolchainA1}
toolchainsSameNonempty := []string{toolchainA1, toolchainA2}
toolchainsDifferentOrder := []string{toolchainAB, toolchainBA}
allToolchains := []string{
toolchainEmpty1,
toolchainEmpty2,
toolchainA1,
toolchainA2,
toolchainAB,
toolchainBA,
}
testCases := []struct {
field string
toolchains []string
expectedText string
}{
{field: "action_configs",
toolchains: toolchainsEmpty,
expectedText: `
action_configs = []`},
{field: "action_configs",
toolchains: toolchainsOneNonempty,
expectedText: `
if (ctx.attr.cpu == "cpuA"):
action_configs = []
elif (ctx.attr.cpu == "cpuC"):
action_configs = [a_action]
else:
fail("Unreachable")`},
{field: "action_configs",
toolchains: toolchainsSameNonempty,
expectedText: `
action_configs = [a_action]`},
{field: "action_configs",
toolchains: toolchainsDifferentOrder,
expectedText: `
if (ctx.attr.cpu == "cpuC"):
action_configs = [a_action, b_action]
elif (ctx.attr.cpu == "cpuD"):
action_configs = [b_action, a_action]
else:
fail("Unreachable")`},
{field: "action_configs",
toolchains: allToolchains,
expectedText: `
if (ctx.attr.cpu == "cpuA"
or ctx.attr.cpu == "cpuB"):
action_configs = []
elif (ctx.attr.cpu == "cpuC" and ctx.attr.compiler == "compilerA"
or ctx.attr.cpu == "cpuC" and ctx.attr.compiler == "compilerB"):
action_configs = [a_action]
elif (ctx.attr.cpu == "cpuC" and ctx.attr.compiler == "compilerC"):
action_configs = [a_action, b_action]
elif (ctx.attr.cpu == "cpuD"):
action_configs = [b_action, a_action]
else:
fail("Unreachable")`}}
for _, tc := range testCases {
crosstool := makeCrosstool(tc.toolchains)
got, err := Transform(crosstool)
if err != nil {
t.Fatalf("CROSSTOOL conversion failed: %v", err)
}
if !strings.Contains(got, tc.expectedText) {
t.Errorf("Failed to correctly convert '%s' field, expected to contain:\n%v\n",
tc.field, tc.expectedText)
t.Fatalf("Tested CROSSTOOL:\n%v\n\nGenerated rule:\n%v\n",
strings.Join(tc.toolchains, "\n"), got)
}
}
}
func TestFeatureAssignment(t *testing.T) {
toolchainEmpty1 := getCToolchain("1", "cpuA", "compilerA", []string{})
toolchainEmpty2 := getCToolchain("2", "cpuB", "compilerA", []string{})
toolchainA1 := getCToolchain("3", "cpuC", "compilerA",
[]string{
getActionConfig([]string{"action_name: 'A'", "config_name: 'A'"}),
},
)
toolchainA2 := getCToolchain("4", "cpuC", "compilerB",
[]string{
getActionConfig([]string{"action_name: 'A'", "config_name: 'A'"}),
},
)
toolchainAB := getCToolchain("5", "cpuC", "compilerC",
[]string{
getActionConfig([]string{"action_name: 'A'", "config_name: 'A'"}),
getActionConfig([]string{"action_name: 'B'", "config_name: 'B'"}),
},
)
toolchainBA := getCToolchain("6", "cpuD", "compilerA",
[]string{
getActionConfig([]string{"action_name: 'B'", "config_name: 'B'"}),
getActionConfig([]string{"action_name: 'A'", "config_name: 'A'"}),
},
)
toolchainsEmpty := []string{toolchainEmpty1, toolchainEmpty2}
toolchainsOneNonempty := []string{toolchainEmpty1, toolchainA1}
toolchainsSameNonempty := []string{toolchainA1, toolchainA2}
toolchainsDifferentOrder := []string{toolchainAB, toolchainBA}
allToolchains := []string{
toolchainEmpty1,
toolchainEmpty2,
toolchainA1,
toolchainA2,
toolchainAB,
toolchainBA,
}
testCases := []struct {
field string
toolchains []string
expectedText string
}{
{field: "action_configs",
toolchains: toolchainsEmpty,
expectedText: `
action_configs = []`},
{field: "action_configs",
toolchains: toolchainsOneNonempty,
expectedText: `
if (ctx.attr.cpu == "cpuA"):
action_configs = []
elif (ctx.attr.cpu == "cpuC"):
action_configs = [a_action]
else:
fail("Unreachable")`},
{field: "action_configs",
toolchains: toolchainsSameNonempty,
expectedText: `
action_configs = [a_action]`},
{field: "action_configs",
toolchains: toolchainsDifferentOrder,
expectedText: `
if (ctx.attr.cpu == "cpuC"):
action_configs = [a_action, b_action]
elif (ctx.attr.cpu == "cpuD"):
action_configs = [b_action, a_action]
else:
fail("Unreachable")`},
{field: "action_configs",
toolchains: allToolchains,
expectedText: `
if (ctx.attr.cpu == "cpuA"
or ctx.attr.cpu == "cpuB"):
action_configs = []
elif (ctx.attr.cpu == "cpuC" and ctx.attr.compiler == "compilerA"
or ctx.attr.cpu == "cpuC" and ctx.attr.compiler == "compilerB"):
action_configs = [a_action]
elif (ctx.attr.cpu == "cpuC" and ctx.attr.compiler == "compilerC"):
action_configs = [a_action, b_action]
elif (ctx.attr.cpu == "cpuD"):
action_configs = [b_action, a_action]
else:
fail("Unreachable")`}}
for _, tc := range testCases {
crosstool := makeCrosstool(tc.toolchains)
got, err := Transform(crosstool)
if err != nil {
t.Fatalf("CROSSTOOL conversion failed: %v", err)
}
if !strings.Contains(got, tc.expectedText) {
t.Errorf("Failed to correctly convert '%s' field, expected to contain:\n%v\n",
tc.field, tc.expectedText)
t.Fatalf("Tested CROSSTOOL:\n%v\n\nGenerated rule:\n%v\n",
strings.Join(tc.toolchains, "\n"), got)
}
}
}