From d8950a4e5c2f46a476483354135c2501e7f9aef5 Mon Sep 17 00:00:00 2001
From: Rasmus Dahlberg <rasmus.dahlberg@kau.se>
Date: Wed, 11 Nov 2020 16:48:36 +0100
Subject: move test helpers to testdata package

---
 server/testdata/data.go   |  4 ++--
 server/testdata/helper.go | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 server/testdata/type.go   | 32 ++++++++++++++++++++++++++++++++
 3 files changed, 81 insertions(+), 2 deletions(-)
 create mode 100644 server/testdata/helper.go
 create mode 100644 server/testdata/type.go

(limited to 'server')

diff --git a/server/testdata/data.go b/server/testdata/data.go
index dc61bb0..306b11f 100644
--- a/server/testdata/data.go
+++ b/server/testdata/data.go
@@ -1,6 +1,6 @@
- package testdata
+package testdata
 
- var (
+var (
 	PemAnchors = []byte(`
 		-----BEGIN CERTIFICATE-----
 		MIIB/TCCAa+gAwIBAgIUDYJzaC5VSkKwiLVAxO5MyphAkN8wBQYDK2VwMGwxCzAJ
diff --git a/server/testdata/helper.go b/server/testdata/helper.go
new file mode 100644
index 0000000..6874616
--- /dev/null
+++ b/server/testdata/helper.go
@@ -0,0 +1,47 @@
+package testdata
+
+import (
+	"testing"
+
+	"github.com/google/trillian"
+	"github.com/google/trillian/types"
+)
+
+// NewGetLatestSignedLogRootResponse creates a new trillian STH.  Revision,
+// Metadata, Proof, KeyHint, and LogRootSignature are unsset.
+func NewGetLatestSignedLogRootResponse(t *testing.T, timestamp, size uint64, hash []byte) *trillian.GetLatestSignedLogRootResponse {
+	t.Helper()
+	return &trillian.GetLatestSignedLogRootResponse{
+		SignedLogRoot: marshalSignedLogRoot(t, &types.LogRootV1{
+			TreeSize:       size,
+			RootHash:       hash,
+			TimestampNanos: timestamp,
+			Revision:       0,   // not used by stfe
+			Metadata:       nil, // not used by stfe
+		}),
+		Proof: nil, // not used by stfe
+	}
+}
+
+// TruncatedSignedLogRootResponse creates a truncated signed log root response
+// that cannot be unmarshalled, i.e., SignedLogRoot.LogRoot is invalid.
+func TruncatedSignedLogRootResponse(t *testing.T) *trillian.GetLatestSignedLogRootResponse {
+	t.Helper()
+	slrr := NewGetLatestSignedLogRootResponse(t, 0, 0, make([]byte, 32))
+	slrr.SignedLogRoot.LogRoot = slrr.SignedLogRoot.LogRoot[1:]
+	return slrr
+}
+
+// marshalSignedLogRoot must marshal a signed log root
+func marshalSignedLogRoot(t *testing.T, lr *types.LogRootV1) *trillian.SignedLogRoot {
+	t.Helper()
+	rootBytes, err := lr.MarshalBinary()
+	if err != nil {
+		t.Fatalf("failed to marshal root in test: %v", err)
+	}
+	return &trillian.SignedLogRoot{
+		KeyHint:          nil, // not used by stfe
+		LogRoot:          rootBytes,
+		LogRootSignature: nil, // not used by stfe
+	}
+}
diff --git a/server/testdata/type.go b/server/testdata/type.go
new file mode 100644
index 0000000..93041c9
--- /dev/null
+++ b/server/testdata/type.go
@@ -0,0 +1,32 @@
+package testdata
+
+import (
+	"context"
+	"fmt"
+
+	"github.com/golang/mock/gomock"
+)
+
+// DeadlineMatcher implements gomock.Matcher, such that an error is raised if
+// there is no context.Context deadline set
+type DeadlineMatcher struct{}
+
+// NewDeadlineMatcher returns a new DeadlineMatcher
+func NewDeadlineMatcher() gomock.Matcher {
+	return &DeadlineMatcher{}
+}
+
+// Matches returns true if the passed interface is a context with a deadline
+func (dm *DeadlineMatcher) Matches(i interface{}) bool {
+	ctx, ok := i.(context.Context)
+	if !ok {
+		return false
+	}
+	_, ok = ctx.Deadline()
+	return ok
+}
+
+// String is needed to implement gomock.Matcher
+func (dm *DeadlineMatcher) String() string {
+	return fmt.Sprintf("deadlineMatcher{}")
+}
-- 
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