chore: establish local platform baseline

internal/safariconformance/conformance_test.go

@@ -0,0 +1,77 @@
+package safariconformance
+
+import (
+	"encoding/json"
+	"strings"
+	"testing"
+	"time"
+)
+
+func TestRealSafariCompleteMatrixPasses(t *testing.T) {
+	t.Parallel()
+	capture := safariFixture("MACOS_SAFARI")
+	report := Evaluate(capture, capture.CandidateVersion, capture.BuildDigest, time.Now())
+	if report.Result != "PASS" || report.EvidenceScope != "REAL_SAFARI" || report.ExternalValidationRequired || report.ResultCount != 24 {
+		t.Fatalf("unexpected report: %+v", report)
+	}
+}
+
+func TestRealSafariMissingWorkflowFails(t *testing.T) {
+	t.Parallel()
+	capture := safariFixture("MACOS_SAFARI")
+	capture.Runs[1].Results = capture.Runs[1].Results[:len(capture.Runs[1].Results)-1]
+	report := Evaluate(capture, capture.CandidateVersion, capture.BuildDigest, time.Now())
+	if report.Result != "FAIL" || !report.ExternalValidationRequired {
+		t.Fatalf("expected failed report: %+v", report)
+	}
+}
+
+func TestNonSafariToolchainCannotCompleteExternalValidation(t *testing.T) {
+	t.Parallel()
+	capture := safariFixture("NON_SAFARI_TOOLCHAIN")
+	capture.Runs = capture.Runs[:1]
+	capture.Runs[0].BrowserName = "Chrome"
+	report := Evaluate(capture, capture.CandidateVersion, capture.BuildDigest, time.Now())
+	if report.Result != "PASS" || report.EvidenceScope != "NON_SAFARI_TOOLCHAIN" || !report.ExternalValidationRequired {
+		t.Fatalf("unexpected toolchain report: %+v", report)
+	}
+}
+
+func TestParseCaptureRejectsUnknownFields(t *testing.T) {
+	t.Parallel()
+	content, err := json.Marshal(safariFixture("NON_SAFARI_TOOLCHAIN"))
+	if err != nil {
+		t.Fatal(err)
+	}
+	content = []byte(strings.TrimSuffix(string(content), "}") + `,"unexpected":true}`)
+	if _, err = ParseCapture(content); err == nil {
+		t.Fatal("expected unknown field rejection")
+	}
+}
+
+func safariFixture(source string) Capture {
+	startedAt := time.Date(2026, 8, 25, 10, 0, 0, 0, time.UTC)
+	collectedAt := startedAt.Add(3 * time.Hour)
+	environment := "STAGING"
+	if source == "NON_SAFARI_TOOLCHAIN" {
+		environment = "LOCAL"
+	}
+	runs := make([]BrowserRun, 0, 2)
+	for rankPosition, rank := range RequiredReleaseRanks {
+		results := make([]WorkflowResult, 0, len(RequiredWorkflows)*len(RequiredViewports))
+		for _, workflow := range RequiredWorkflows {
+			for _, viewport := range RequiredViewports {
+				results = append(results, WorkflowResult{Workflow: workflow, Viewport: viewport, Status: "PASS", EvidenceRef: "evidence:" + rank + ":" + workflow + ":" + viewport})
+			}
+		}
+		runs = append(runs, BrowserRun{
+			ReleaseRank: rank, BrowserName: "Safari", BrowserVersion: []string{"26.0", "18.6"}[rankPosition], MacOSVersion: "macOS-test", MachineRef: "mac-runner-a",
+			ExecutionMode: "SAFARIDRIVER", StartedAt: startedAt.Add(time.Duration(rankPosition) * time.Hour), EndedAt: startedAt.Add(time.Duration(rankPosition+1) * time.Hour), Results: results,
+		})
+	}
+	return Capture{
+		SchemaVersion: CaptureSchema, EvidenceSource: source, CandidateVersion: "0.63.0-rc.1", BuildDigest: "sha256:" + strings.Repeat("a", 64), Environment: environment,
+		ReleaseReferenceRef: "apple-release-baseline:2026-08-25", ChangeTicketRef: "change-20260825", ExecutedByRef: "qa-executor", AttestedByRef: "qa-reviewer",
+		AttestedAt: collectedAt.Add(-30 * time.Minute), CollectedAt: collectedAt, Runs: runs,
+	}
+}