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-rw-r--r--rust/project_json.go21
-rw-r--r--rust/project_json_test.go142
-rw-r--r--rust/testing.go23
3 files changed, 163 insertions, 23 deletions
diff --git a/rust/project_json.go b/rust/project_json.go
index 41dd194ee..831047938 100644
--- a/rust/project_json.go
+++ b/rust/project_json.go
@@ -75,17 +75,16 @@ func mergeDependencies(ctx android.SingletonContext, project *rustProjectJson,
knownCrates map[string]crateInfo, module android.Module,
crate *rustProjectCrate, deps map[string]int) {
- //TODO(tweek): The stdlib dependencies do not appear here. We need to manually add them.
ctx.VisitDirectDeps(module, func(child android.Module) {
- childId, childName, ok := appendLibraryAndDeps(ctx, project, knownCrates, child)
+ childId, childCrateName, ok := appendLibraryAndDeps(ctx, project, knownCrates, child)
if !ok {
return
}
- if _, ok = deps[childName]; ok {
+ if _, ok = deps[ctx.ModuleName(child)]; ok {
return
}
- crate.Deps = append(crate.Deps, rustProjectDep{Crate: childId, Name: childName})
- deps[childName] = childId
+ crate.Deps = append(crate.Deps, rustProjectDep{Crate: childId, Name: childCrateName})
+ deps[ctx.ModuleName(child)] = childId
})
}
@@ -106,8 +105,9 @@ func appendLibraryAndDeps(ctx android.SingletonContext, project *rustProjectJson
if !ok {
return 0, "", false
}
+ moduleName := ctx.ModuleName(module)
crateName := rModule.CrateName()
- if cInfo, ok := knownCrates[crateName]; ok {
+ if cInfo, ok := knownCrates[moduleName]; ok {
// We have seen this crate already; merge any new dependencies.
crate := project.Crates[cInfo.ID]
mergeDependencies(ctx, project, knownCrates, module, &crate, cInfo.Deps)
@@ -115,15 +115,18 @@ func appendLibraryAndDeps(ctx android.SingletonContext, project *rustProjectJson
return cInfo.ID, crateName, true
}
crate := rustProjectCrate{Deps: make([]rustProjectDep, 0), Cfgs: make([]string, 0)}
- src := rustLib.baseCompiler.Properties.Srcs[0]
- crate.RootModule = path.Join(ctx.ModuleDir(rModule), src)
+ srcs := rustLib.baseCompiler.Properties.Srcs
+ if len(srcs) == 0 {
+ return 0, "", false
+ }
+ crate.RootModule = path.Join(ctx.ModuleDir(rModule), srcs[0])
crate.Edition = rustLib.baseCompiler.edition()
deps := make(map[string]int)
mergeDependencies(ctx, project, knownCrates, module, &crate, deps)
id := len(project.Crates)
- knownCrates[crateName] = crateInfo{ID: id, Deps: deps}
+ knownCrates[moduleName] = crateInfo{ID: id, Deps: deps}
project.Crates = append(project.Crates, crate)
// rust-analyzer requires that all crates belong to at least one root:
// https://github.com/rust-analyzer/rust-analyzer/issues/4735.
diff --git a/rust/project_json_test.go b/rust/project_json_test.go
index 6786e72c7..85219404a 100644
--- a/rust/project_json_test.go
+++ b/rust/project_json_test.go
@@ -15,6 +15,7 @@
package rust
import (
+ "encoding/json"
"io/ioutil"
"path/filepath"
"testing"
@@ -23,20 +24,12 @@ import (
"android/soong/cc"
)
-func TestProjectJson(t *testing.T) {
- bp := `rust_library {
- name: "liba",
- srcs: ["src/lib.rs"],
- crate_name: "a"
- }` + GatherRequiredDepsForTest()
- env := map[string]string{"SOONG_GEN_RUST_PROJECT": "1"}
- fs := map[string][]byte{
- "foo.rs": nil,
- "src/lib.rs": nil,
- }
-
+// testProjectJson run the generation of rust-project.json. It returns the raw
+// content of the generated file.
+func testProjectJson(t *testing.T, bp string, fs map[string][]byte) []byte {
cc.GatherRequiredFilesForTest(fs)
+ env := map[string]string{"SOONG_GEN_RUST_PROJECT": "1"}
config := android.TestArchConfig(buildDir, env, bp, fs)
ctx := CreateTestContext()
ctx.Register(config)
@@ -48,8 +41,131 @@ func TestProjectJson(t *testing.T) {
// The JSON file is generated via WriteFileToOutputDir. Therefore, it
// won't appear in the Output of the TestingSingleton. Manually verify
// it exists.
- _, err := ioutil.ReadFile(filepath.Join(buildDir, "rust-project.json"))
+ content, err := ioutil.ReadFile(filepath.Join(buildDir, rustProjectJsonFileName))
if err != nil {
t.Errorf("rust-project.json has not been generated")
}
+ return content
+}
+
+// validateJsonCrates validates that content follows the basic structure of
+// rust-project.json. It returns the crates attribute if the validation
+// succeeded.
+// It uses an empty interface instead of relying on a defined structure to
+// avoid a strong dependency on our implementation.
+func validateJsonCrates(t *testing.T, rawContent []byte) []interface{} {
+ var content interface{}
+ err := json.Unmarshal(rawContent, &content)
+ if err != nil {
+ t.Errorf("Unable to parse the rust-project.json as JSON: %v", err)
+ }
+ root, ok := content.(map[string]interface{})
+ if !ok {
+ t.Errorf("Unexpected JSON format: %v", content)
+ }
+ if _, ok = root["crates"]; !ok {
+ t.Errorf("No crates attribute in rust-project.json: %v", root)
+ }
+ crates, ok := root["crates"].([]interface{})
+ if !ok {
+ t.Errorf("Unexpected crates format: %v", root["crates"])
+ }
+ return crates
+}
+
+func TestProjectJsonDep(t *testing.T) {
+ bp := `
+ rust_library {
+ name: "liba",
+ srcs: ["a/src/lib.rs"],
+ crate_name: "a"
+ }
+ rust_library {
+ name: "libb",
+ srcs: ["b/src/lib.rs"],
+ crate_name: "b",
+ rlibs: ["liba"],
+ }
+ ` + GatherRequiredDepsForTest()
+ fs := map[string][]byte{
+ "a/src/lib.rs": nil,
+ "b/src/lib.rs": nil,
+ }
+ jsonContent := testProjectJson(t, bp, fs)
+ validateJsonCrates(t, jsonContent)
+}
+
+func TestProjectJsonBindGen(t *testing.T) {
+ bp := `
+ rust_library {
+ name: "liba",
+ srcs: ["src/lib.rs"],
+ rlibs: ["libbindings"],
+ crate_name: "a"
+ }
+ rust_bindgen {
+ name: "libbindings",
+ crate_name: "bindings",
+ source_stem: "bindings",
+ host_supported: true,
+ wrapper_src: "src/any.h",
+ }
+ ` + GatherRequiredDepsForTest()
+ fs := map[string][]byte{
+ "src/lib.rs": nil,
+ }
+ jsonContent := testProjectJson(t, bp, fs)
+ validateJsonCrates(t, jsonContent)
+}
+
+func TestProjectJsonMultiVersion(t *testing.T) {
+ bp := `
+ rust_library {
+ name: "liba1",
+ srcs: ["a1/src/lib.rs"],
+ crate_name: "a"
+ }
+ rust_library {
+ name: "liba2",
+ srcs: ["a2/src/lib.rs"],
+ crate_name: "a",
+ }
+ rust_library {
+ name: "libb",
+ srcs: ["b/src/lib.rs"],
+ crate_name: "b",
+ rustlibs: ["liba1", "liba2"],
+ }
+ ` + GatherRequiredDepsForTest()
+ fs := map[string][]byte{
+ "a1/src/lib.rs": nil,
+ "a2/src/lib.rs": nil,
+ "b/src/lib.rs": nil,
+ }
+ jsonContent := testProjectJson(t, bp, fs)
+ crates := validateJsonCrates(t, jsonContent)
+ for _, crate := range crates {
+ c := crate.(map[string]interface{})
+ if c["root_module"] == "b/src/lib.rs" {
+ deps, ok := c["deps"].([]interface{})
+ if !ok {
+ t.Errorf("Unexpected format for deps: %v", c["deps"])
+ }
+ aCount := 0
+ for _, dep := range deps {
+ d, ok := dep.(map[string]interface{})
+ if !ok {
+ t.Errorf("Unexpected format for dep: %v", dep)
+ }
+ if d["name"] == "a" {
+ aCount++
+ }
+ }
+ if aCount != 2 {
+ t.Errorf("Unexpected number of liba dependencies want %v, got %v: %v", 2, aCount, deps)
+ }
+ return
+ }
+ }
+ t.Errorf("libb crate has not been found: %v", crates)
}
diff --git a/rust/testing.go b/rust/testing.go
index 83b2828e5..925b02c96 100644
--- a/rust/testing.go
+++ b/rust/testing.go
@@ -44,7 +44,28 @@ func GatherRequiredDepsForTest() string {
},
host_supported: true,
}
-
+ rust_prebuilt_library {
+ name: "libstd_x86_64-apple-darwin",
+ crate_name: "std",
+ rlib: {
+ srcs: ["libstd.rlib"],
+ },
+ dylib: {
+ srcs: ["libstd.so"],
+ },
+ host_supported: true,
+ }
+ rust_prebuilt_library {
+ name: "libtest_x86_64-apple-darwin",
+ crate_name: "test",
+ rlib: {
+ srcs: ["libtest.rlib"],
+ },
+ dylib: {
+ srcs: ["libtest.so"],
+ },
+ host_supported: true,
+ }
//////////////////////////////
// Device module requirements
generated by cgit v1.2.3-59-g8ed1b (git 2.39.0) at 2025-12-16 02:12:48 +0000