platform_build_soong/bp2build/python_binary_conversion_te...

171 lines
4.3 KiB
Go

package bp2build
import (
"android/soong/android"
"android/soong/python"
"fmt"
"strings"
"testing"
)
func TestPythonBinaryHost(t *testing.T) {
testCases := []struct {
description string
moduleTypeUnderTest string
moduleTypeUnderTestFactory android.ModuleFactory
moduleTypeUnderTestBp2BuildMutator func(android.TopDownMutatorContext)
blueprint string
expectedBazelTargets []string
filesystem map[string]string
}{
{
description: "simple python_binary_host converts to a native py_binary",
moduleTypeUnderTest: "python_binary_host",
moduleTypeUnderTestFactory: python.PythonBinaryHostFactory,
moduleTypeUnderTestBp2BuildMutator: python.PythonBinaryBp2Build,
filesystem: map[string]string{
"a.py": "",
"b/c.py": "",
"b/d.py": "",
"b/e.py": "",
"files/data.txt": "",
},
blueprint: `python_binary_host {
name: "foo",
main: "a.py",
srcs: [
"**/*.py"
],
exclude_srcs: [
"b/e.py"
],
data: [
"files/data.txt",
],
bazel_module: { bp2build_available: true },
}
`,
expectedBazelTargets: []string{`py_binary(
name = "foo",
data = [
"files/data.txt",
],
main = "a.py",
srcs = [
"a.py",
"b/c.py",
"b/d.py",
],
)`,
},
},
{
description: "py2 python_binary_host",
moduleTypeUnderTest: "python_binary_host",
moduleTypeUnderTestFactory: python.PythonBinaryHostFactory,
moduleTypeUnderTestBp2BuildMutator: python.PythonBinaryBp2Build,
blueprint: `python_binary_host {
name: "foo",
srcs: ["a.py"],
version: {
py2: {
enabled: true,
},
py3: {
enabled: false,
},
},
bazel_module: { bp2build_available: true },
}
`,
expectedBazelTargets: []string{`py_binary(
name = "foo",
python_version = "PY2",
srcs = [
"a.py",
],
)`,
},
},
{
description: "py3 python_binary_host",
moduleTypeUnderTest: "python_binary_host",
moduleTypeUnderTestFactory: python.PythonBinaryHostFactory,
moduleTypeUnderTestBp2BuildMutator: python.PythonBinaryBp2Build,
blueprint: `python_binary_host {
name: "foo",
srcs: ["a.py"],
version: {
py2: {
enabled: false,
},
py3: {
enabled: true,
},
},
bazel_module: { bp2build_available: true },
}
`,
expectedBazelTargets: []string{
// python_version is PY3 by default.
`py_binary(
name = "foo",
srcs = [
"a.py",
],
)`,
},
},
}
dir := "."
for _, testCase := range testCases {
filesystem := make(map[string][]byte)
toParse := []string{
"Android.bp",
}
for f, content := range testCase.filesystem {
if strings.HasSuffix(f, "Android.bp") {
toParse = append(toParse, f)
}
filesystem[f] = []byte(content)
}
config := android.TestConfig(buildDir, nil, testCase.blueprint, filesystem)
ctx := android.NewTestContext(config)
ctx.RegisterModuleType(testCase.moduleTypeUnderTest, testCase.moduleTypeUnderTestFactory)
ctx.RegisterBp2BuildMutator(testCase.moduleTypeUnderTest, testCase.moduleTypeUnderTestBp2BuildMutator)
ctx.RegisterForBazelConversion()
_, errs := ctx.ParseFileList(dir, toParse)
if Errored(t, testCase.description, errs) {
continue
}
_, errs = ctx.ResolveDependencies(config)
if Errored(t, testCase.description, errs) {
continue
}
codegenCtx := NewCodegenContext(config, *ctx.Context, Bp2Build)
bazelTargets := generateBazelTargetsForDir(codegenCtx, dir)
if actualCount, expectedCount := len(bazelTargets), len(testCase.expectedBazelTargets); actualCount != expectedCount {
fmt.Println(bazelTargets)
t.Errorf("%s: Expected %d bazel target, got %d", testCase.description, expectedCount, actualCount)
} else {
for i, target := range bazelTargets {
if w, g := testCase.expectedBazelTargets[i], target.content; w != g {
t.Errorf(
"%s: Expected generated Bazel target to be '%s', got '%s'",
testCase.description,
w,
g,
)
}
}
}
}
}