Skip to content

test: add unit tests for rust resolver #8

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
Jaydeep869 wants to merge 4 commits into
base: master
Choose a base branch
from
Open

test: add unit tests for rust resolver #8

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
4 commits
Select commit Hold shift + click to select a range
755ceab
test: add unit tests for rust resolver
Jaydeep869 Apr 1, 2026
db3fdd0
test: expand rust resolver test coverage to handle edge cases
Jaydeep869 Apr 1, 2026
0b5bec3
test: refine compiled artifacts test and add unit tests for Normalize…
Jaydeep869 Apr 4, 2026
81bcda8
style: run gofmt
Jaydeep869 Apr 8, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion pkg/resolver/resolver.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,7 @@ type PackageInfo struct {
PURL string `json:"purl"`
Licenses []string `json:"licenses,omitempty"`
Hashes map[string]string `json:"hashes,omitempty"`
FoundBy string `json:"found_by"` // which resolver found this
FoundBy string `json:"found_by"` // which resolver found this
DownloadURL string `json:"download_url,omitempty"` // set by network resolvers
DownloadIP string `json:"download_ip,omitempty"` // set by network resolvers
}
Expand Down
303 changes: 303 additions & 0 deletions pkg/resolver/rust_test.go
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,303 @@
package resolver

import (
"testing"

"github.com/stretchr/testify/assert"
)

func TestRustResolver_Resolve(t *testing.T) {
resolver := NewRustResolver()

tests := []struct {
name string
files []FileInfo
expectedPackages []PackageInfo
expectedRemaining int
}{
{
name: "Valid Cargo registry src path",
files: []FileInfo{
{Path: "/home/user/.cargo/registry/src/github.com-1ecc6299db9ec823/serde-1.0.130/src/lib.rs"},
},
expectedPackages: []PackageInfo{
{
Name: "serde",
Version: "1.0.130",
Ecosystem: "cargo",
PURL: "pkg:cargo/serde@1.0.130",
FoundBy: "attestation:rust",
},
},
expectedRemaining: 1,
},
{
name: "Valid Cargo registry cache path (.crate)",
files: []FileInfo{
{Path: "/home/user/.cargo/registry/cache/github.com-1ecc6299db9ec823/log-0.4.14.crate"},
},
expectedPackages: []PackageInfo{
{
Name: "log",
Version: "0.4.14",
Ecosystem: "cargo",
PURL: "pkg:cargo/log@0.4.14",
FoundBy: "attestation:rust",
},
},
expectedRemaining: 1,
},
{
name: "Crates.io index path",
files: []FileInfo{
{Path: "/home/user/.cargo/registry/index.crates.io-1ecc6299db9ec823/se/rd/serde-1.0.130"},
},
expectedPackages: []PackageInfo{
{
Name: "serde",
Version: "1.0.130",
Ecosystem: "cargo",
PURL: "pkg:cargo/serde@1.0.130",
FoundBy: "attestation:rust",
},
},
expectedRemaining: 1,
},
{
name: "Invalid path handling - regular source file",
files: []FileInfo{
{Path: "/home/user/project/src/main.rs"},
},
expectedPackages: nil,
expectedRemaining: 1, // Remains as it isn't resolved by rust resolver
},
{
name: "Target directory - ignored path",
files: []FileInfo{
{Path: "/home/user/project/target/debug/build/serde-1.0.130/out.rs"},
},
expectedPackages: nil,
expectedRemaining: 0, // Gets filtered out
},
{
name: "Complex version extraction",
files: []FileInfo{
{Path: "/home/user/.cargo/registry/src/github.com-1ecc6299db9ec823/memchr-2.4.1-alpha.3/src/lib.rs"},
},
expectedPackages: []PackageInfo{
{
Name: "memchr",
Version: "2.4.1-alpha.3",
Ecosystem: "cargo",
PURL: "pkg:cargo/memchr@2.4.1-alpha.3",
FoundBy: "attestation:rust",
},
},
expectedRemaining: 1,
},
{
name: "Compound hyphenated crate names",
files: []FileInfo{
{Path: "/home/user/.cargo/registry/src/github.com-1ecc6299db9ec823/pyo3-build-config-0.27.1/src/lib.rs"},
},
expectedPackages: []PackageInfo{
{
Name: "pyo3-build-config",
Version: "0.27.1",
Ecosystem: "cargo",
PURL: "pkg:cargo/pyo3-build-config@0.27.1",
FoundBy: "attestation:rust",
},
},
expectedRemaining: 1,
},
{
name: "Crate names with underscores",
files: []FileInfo{
{Path: "/home/user/.cargo/registry/src/github.com-1ecc6299db9ec823/serde_derive-1.0.130/src/lib.rs"},
},
expectedPackages: []PackageInfo{
{
Name: "serde_derive",
Version: "1.0.130",
Ecosystem: "cargo",
PURL: "pkg:cargo/serde_derive@1.0.130",
FoundBy: "attestation:rust",
},
},
expectedRemaining: 1,
},
{
name: "Deduplication of multiple files from the same crate",
files: []FileInfo{
{Path: "/home/user/.cargo/registry/src/github.com-1ecc6299db9ec823/serde-1.0.130/src/lib.rs"},
{Path: "/home/user/.cargo/registry/src/github.com-1ecc6299db9ec823/serde-1.0.130/src/de.rs"},
{Path: "/home/user/.cargo/registry/src/github.com-1ecc6299db9ec823/serde-1.0.130/src/ser.rs"},
},
expectedPackages: []PackageInfo{
{
Name: "serde",
Version: "1.0.130",
Ecosystem: "cargo",
PURL: "pkg:cargo/serde@1.0.130",
FoundBy: "attestation:rust",
},
},
expectedRemaining: 3,
},
{
name: "Multiple distinct crates resolved in one pass",
files: []FileInfo{
{Path: "/home/user/.cargo/registry/src/github.com-1ecc6299db9ec823/serde-1.0.130/src/lib.rs"},
{Path: "/home/user/.cargo/registry/src/github.com-1ecc6299db9ec823/log-0.4.14/src/lib.rs"},
{Path: "/home/user/project/src/main.rs"},
},
expectedPackages: []PackageInfo{
{
Name: "serde",
Version: "1.0.130",
Ecosystem: "cargo",
PURL: "pkg:cargo/serde@1.0.130",
FoundBy: "attestation:rust",
},
{
Name: "log",
Version: "0.4.14",
Ecosystem: "cargo",
PURL: "pkg:cargo/log@0.4.14",
FoundBy: "attestation:rust",
},
},
expectedRemaining: 3,
},
{
name: "Non-rust paths passed through to remaining files",
files: []FileInfo{
{Path: "/usr/local/lib/node_modules/npm/package.json"},
},
expectedPackages: nil,
expectedRemaining: 1,
},
{
name: "Fingerprint directory - ignored path",
files: []FileInfo{
{Path: "/home/user/.cargo/registry/src/github.com-1ecc6299db9ec823/serde-1.0.130/.fingerprint/log-0.4.14"},
},
expectedPackages: nil,
expectedRemaining: 0,
},
{
name: "Compiled artifacts are filtered if owned by known crate",
files: []FileInfo{
{Path: "/home/user/.cargo/registry/src/github.com-1ecc6299db9ec823/serde-1.0.130/src/lib.rs"},
{Path: "/home/user/.cargo/registry/src/github.com-1ecc6299db9ec823/serde-1.0.130/libserde.rlib"},
},
expectedPackages: []PackageInfo{
{
Name: "serde",
Version: "1.0.130",
Ecosystem: "cargo",
PURL: "pkg:cargo/serde@1.0.130",
FoundBy: "attestation:rust",
},
},
expectedRemaining: 1, // src/lib.rs is remaining, but the .rlib is filtered out
},
}

for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
packages, remainingFiles := resolver.Resolve(tt.files)

// Map expected for an easy comparison by PURL to avoid order flakiness
expectedByPURL := make(map[string]PackageInfo)
for _, pkg := range tt.expectedPackages {
expectedByPURL[pkg.PURL] = pkg
}

// verify packages
assert.Len(t, packages, len(tt.expectedPackages))
for _, pkg := range packages {
expected, exists := expectedByPURL[pkg.PURL]
assert.True(t, exists, "unexpected package found: %s", pkg.PURL)
assert.Equal(t, expected.Name, pkg.Name)
assert.Equal(t, expected.Version, pkg.Version)
assert.Equal(t, expected.Ecosystem, pkg.Ecosystem)
assert.Equal(t, expected.PURL, pkg.PURL)
assert.Equal(t, expected.FoundBy, pkg.FoundBy)
}

// verify remaining
assert.Len(t, remainingFiles, tt.expectedRemaining)
})
}
}

func TestRustResolver_CreateFileFilters(t *testing.T) {
resolver := NewRustResolver()

packages := []PackageInfo{
{
Name: "serde",
Version: "1.0.130",
Ecosystem: "cargo",
},
{
Name: "not-cargo",
Version: "1.0.0",
Ecosystem: "npm",
},
}

filters := resolver.CreateFileFilters(packages)

// Since only rust packages are converted to filters
assert.Len(t, filters, 1)

// Test matches
rustFilter := filters[0]

// Match src path
assert.True(t, rustFilter.Matches("/home/user/.cargo/registry/src/github.com-1ecc6299db9ec823/serde-1.0.130/src/lib.rs"))
// Match cache path (.crate)
assert.True(t, rustFilter.Matches("/home/user/.cargo/registry/cache/github.com-1ecc6299db9ec823/serde-1.0.130.crate"))
// Non-matching version
assert.False(t, rustFilter.Matches("/home/user/.cargo/registry/src/github.com-1ecc6299db9ec823/serde-1.0.131/src/lib.rs"))
// Non-matching package
assert.False(t, rustFilter.Matches("/home/user/.cargo/registry/src/github.com-1ecc6299db9ec823/log-0.4.14/src/lib.rs"))
}

func TestNormalizeRustCrateName(t *testing.T) {
tests := []struct {
name string
input string
expected string
}{
{
name: "Uppercase letters",
input: "SerDe",
expected: "serde",
},
{
name: "With spaces",
input: " Log ",
expected: "log",
},
{
name: "Mixed case and spaces",
input: " TokIO ",
expected: "tokio",
},
{
name: "Already normalized",
input: "regex",
expected: "regex",
},
}

for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
assert.Equal(t, tt.expected, NormalizeRustCrateName(tt.input))
})
}
}