Add vendor assessment agent

Signed-off-by: Aurélien Sibiril <81782+aureliensibiril@users.noreply.github.com>

pkg/agent/tools/security/spf_test.go

@@ -0,0 +1,70 @@
+// Copyright (c) 2026 Probo Inc <hello@getprobo.com>.
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+// PERFORMANCE OF THIS SOFTWARE.
+
+package security
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestParseSPFPolicy(t *testing.T) {
+	t.Parallel()
+
+	t.Run(
+		"detects hard fail",
+		func(t *testing.T) {
+			t.Parallel()
+
+			assert.Equal(t, "fail", parseSPFPolicy("v=spf1 include:_spf.google.com -all"))
+		},
+	)
+
+	t.Run(
+		"detects soft fail",
+		func(t *testing.T) {
+			t.Parallel()
+
+			assert.Equal(t, "softfail", parseSPFPolicy("v=spf1 include:spf.example.com ~all"))
+		},
+	)
+
+	t.Run(
+		"detects neutral",
+		func(t *testing.T) {
+			t.Parallel()
+
+			assert.Equal(t, "neutral", parseSPFPolicy("v=spf1 ?all"))
+		},
+	)
+
+	t.Run(
+		"detects pass all",
+		func(t *testing.T) {
+			t.Parallel()
+
+			assert.Equal(t, "pass", parseSPFPolicy("v=spf1 +all"))
+		},
+	)
+
+	t.Run(
+		"returns empty for no all qualifier",
+		func(t *testing.T) {
+			t.Parallel()
+
+			assert.Equal(t, "", parseSPFPolicy("v=spf1 include:_spf.google.com"))
+		},
+	)
+}