nip/tests/test_metadata_properties.nim

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Nim

## Property-Based Tests for Package Metadata
##
## **Feature: 01-nip-unified-storage-and-formats, Property 10: Provenance Preservation**
##
## This test verifies that metadata.json accurately reflects the complete build chain
## from source to installation, ensuring full audit trail and traceability.
##
## **Validates: Requirements 7.1, 7.2, 7.3**
import std/[unittest, times, json, options, strutils, random]
import ../src/nip/metadata
# Property-based test generator for random metadata
proc generateRandomMetadata(rng: var Rand): PackageMetadata =
## Generate random but valid metadata for property testing
let packageNames = @["nginx", "firefox", "postgresql", "redis", "docker"]
let maintainers = @["John Doe <john@example.com>", "Jane Smith <jane@example.com>", "ACME Corp"]
let compilers = @["gcc-13.2.0", "clang-16.0.0", "gcc-12.3.0"]
let architectures = @["x86_64", "aarch64", "riscv64"]
let source = SourceInfo(
origin: "https://github.com/example/" & packageNames[rng.rand(packageNames.high)],
maintainer: maintainers[rng.rand(maintainers.high)],
upstreamUrl: "https://example.com/" & packageNames[rng.rand(packageNames.high)],
sourceHash: "xxh3-" & $rng.rand(1000000..9999999)
)
let buildInfo = BuildInfo(
compilerVersion: compilers[rng.rand(compilers.high)],
compilerFlags: @["-O2", "-march=native"],
targetArchitecture: architectures[rng.rand(architectures.high)],
buildHash: "xxh3-" & $rng.rand(1000000..9999999),
buildTimestamp: now()
)
let provenance = ProvenanceChain(
sourceDownload: ProvenanceStep(
timestamp: now(),
action: "source_download",
hash: "xxh3-" & $rng.rand(1000000..9999999),
verifiedBy: "nip-0.2.0"
),
build: ProvenanceStep(
timestamp: now(),
action: "build",
hash: "xxh3-" & $rng.rand(1000000..9999999),
verifiedBy: "nip-0.2.0"
),
installation: ProvenanceStep(
timestamp: now(),
action: "installation",
hash: "xxh3-" & $rng.rand(1000000..9999999),
verifiedBy: "nip-0.2.0"
)
)
let dependencies = @[
DependencyInfo(
name: "openssl",
version: "3.0.0",
buildHash: "xxh3-" & $rng.rand(1000000..9999999)
),
DependencyInfo(
name: "zlib",
version: "1.2.13",
buildHash: "xxh3-" & $rng.rand(1000000..9999999)
)
]
result = generateMetadata(
packageName = packageNames[rng.rand(packageNames.high)],
version = "1.0.0",
formatType = FormatType.NPK,
source = source,
buildInfo = buildInfo,
provenance = some(provenance),
dependencies = dependencies
)
suite "Property-Based Tests: Provenance Preservation":
test "Property 10: Provenance Preservation - Roundtrip preserves all provenance data":
## **Feature: 01-nip-unified-storage-and-formats, Property 10: Provenance Preservation**
## **Validates: Requirements 7.1, 7.2, 7.3**
##
## For any package metadata with provenance chain, serializing to JSON and
## deserializing back should preserve all provenance information exactly.
var rng = initRand(42) # Fixed seed for reproducibility
# Run 100 iterations with random metadata
for i in 1..100:
let original = generateRandomMetadata(rng)
# Serialize to JSON
let jsonStr = toJson(original)
# Deserialize back
let restored = fromJson(jsonStr)
# Verify all fields preserved
check restored.packageName == original.packageName
check restored.version == original.version
check restored.formatType == original.formatType
# Verify source info preserved
check restored.source.origin == original.source.origin
check restored.source.maintainer == original.source.maintainer
check restored.source.upstreamUrl == original.source.upstreamUrl
check restored.source.sourceHash == original.source.sourceHash
# Verify build info preserved
check restored.buildInfo.compilerVersion == original.buildInfo.compilerVersion
check restored.buildInfo.compilerFlags == original.buildInfo.compilerFlags
check restored.buildInfo.targetArchitecture == original.buildInfo.targetArchitecture
check restored.buildInfo.buildHash == original.buildInfo.buildHash
# Verify provenance chain preserved (CRITICAL for audit trail)
check restored.provenance.isSome
if restored.provenance.isSome and original.provenance.isSome:
let origProv = original.provenance.get()
let restProv = restored.provenance.get()
# Source download step
check restProv.sourceDownload.action == origProv.sourceDownload.action
check restProv.sourceDownload.hash == origProv.sourceDownload.hash
check restProv.sourceDownload.verifiedBy == origProv.sourceDownload.verifiedBy
# Build step
check restProv.build.action == origProv.build.action
check restProv.build.hash == origProv.build.hash
check restProv.build.verifiedBy == origProv.build.verifiedBy
# Installation step
check restProv.installation.action == origProv.installation.action
check restProv.installation.hash == origProv.installation.hash
check restProv.installation.verifiedBy == origProv.installation.verifiedBy
# Verify dependencies preserved
check restored.dependencies.len == original.dependencies.len
for j in 0..<original.dependencies.len:
check restored.dependencies[j].name == original.dependencies[j].name
check restored.dependencies[j].version == original.dependencies[j].version
check restored.dependencies[j].buildHash == original.dependencies[j].buildHash
test "Property 10: Provenance chain maintains chronological order":
## Verify that provenance steps maintain chronological order
## (source download → build → installation)
var rng = initRand(123)
for i in 1..50:
let metadata = generateRandomMetadata(rng)
check metadata.provenance.isSome
if metadata.provenance.isSome:
let prov = metadata.provenance.get()
# Verify chronological order (timestamps should be in sequence)
# Note: In real implementation, these would have actual time differences
check prov.sourceDownload.action == "source_download"
check prov.build.action == "build"
check prov.installation.action == "installation"
# Verify all hashes use xxh3 format
check prov.sourceDownload.hash.startsWith("xxh3-")
check prov.build.hash.startsWith("xxh3-")
check prov.installation.hash.startsWith("xxh3-")
test "Property 10: Metadata validation ensures provenance completeness":
## Verify that metadata validation checks provenance chain completeness
var rng = initRand(456)
for i in 1..50:
let metadata = generateRandomMetadata(rng)
# Valid metadata should pass validation
check validateMetadata(metadata) == true
# Verify all required provenance fields present
if metadata.provenance.isSome:
let prov = metadata.provenance.get()
check prov.sourceDownload.action.len > 0
check prov.sourceDownload.hash.len > 0
check prov.sourceDownload.verifiedBy.len > 0
check prov.build.action.len > 0
check prov.build.hash.len > 0
check prov.build.verifiedBy.len > 0
check prov.installation.action.len > 0
check prov.installation.hash.len > 0
check prov.installation.verifiedBy.len > 0
test "Property 10: Build hash consistency across provenance chain":
## Verify that build hashes in provenance chain match metadata build hash
var rng = initRand(789)
for i in 1..50:
let metadata = generateRandomMetadata(rng)
# Build hash in buildInfo should match build step in provenance
if metadata.provenance.isSome:
let prov = metadata.provenance.get()
# All hashes should use xxh3 format
check metadata.buildInfo.buildHash.startsWith("xxh3-")
check prov.build.hash.startsWith("xxh3-")
# Source hash should match source download step
check metadata.source.sourceHash.startsWith("xxh3-")
check prov.sourceDownload.hash.startsWith("xxh3-")
test "Property 10: Dependency build hashes are preserved in audit trail":
## Verify that dependency build hashes are preserved for complete audit trail
var rng = initRand(101112)
for i in 1..50:
let metadata = generateRandomMetadata(rng)
# All dependency build hashes should use xxh3 format
for dep in metadata.dependencies:
check dep.buildHash.startsWith("xxh3-")
check dep.name.len > 0
check dep.version.len > 0
# Serialize and deserialize to verify preservation
let jsonStr = toJson(metadata)
let restored = fromJson(jsonStr)
# Verify all dependency hashes preserved
check restored.dependencies.len == metadata.dependencies.len
for j in 0..<metadata.dependencies.len:
check restored.dependencies[j].buildHash == metadata.dependencies[j].buildHash