Verify trusted certificate chain

spec/factories/pages_domains.rb

@@ -38,8 +38,9 @@ nNp/xedE1YxutQ==
 -----END PRIVATE KEY-----'
     end
 
-    trait :with_certificate_chain do
+    trait :with_missing_chain do
       # This certificate is signed with different key
+      # And misses the CA to build trust chain
       certificate '-----BEGIN CERTIFICATE-----
 MIIDGTCCAgGgAwIBAgIBAjANBgkqhkiG9w0BAQUFADASMRAwDgYDVQQDEwdUZXN0
 IENBMB4XDTE2MDIxMjE0MjMwMFoXDTE3MDIxMTE0MjMwMFowHTEbMBkGA1UEAxMS
@@ -61,6 +62,81 @@ VM+d42lQAgoq318A84Xu5vRh1KCAJuztkhNbM+w=
 -----END CERTIFICATE-----'
     end
 
+    trait :with_trusted_chain do
+      # This is
+      # [Intermediate #2 (SHA-2)] 'Comodo RSA Domain Validation Secure Server CA'
+      # [Intermediate #1 (SHA-2)] COMODO RSA Certification Authority
+      # We only validate that we want to rebuild the trust chain,
+      # we don't need end-to-end certificate to do that
+      certificate '-----BEGIN CERTIFICATE-----
+MIIGCDCCA/CgAwIBAgIQKy5u6tl1NmwUim7bo3yMBzANBgkqhkiG9w0BAQwFADCB
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++AZxAeKCINT+b72x
+-----END CERTIFICATE-----
+-----BEGIN CERTIFICATE-----
+MIIFdDCCBFygAwIBAgIQJ2buVutJ846r13Ci/ITeIjANBgkqhkiG9w0BAQwFADBv
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+pu/xO28QOG8=
+-----END CERTIFICATE-----'
+    end
+
     trait :with_expired_certificate do
       certificate '-----BEGIN CERTIFICATE-----
 MIIBsDCCARmgAwIBAgIBATANBgkqhkiG9w0BAQUFADAeMRwwGgYDVQQDExNleHBp

spec/models/pages_domain_spec.rb

@@ -63,7 +63,7 @@ describe PagesDomain, models: true do
     end
 
     context 'for not matching key' do
-      let(:domain) { build(:pages_domain, :with_certificate_chain, :with_key) }
+      let(:domain) { build(:pages_domain, :with_missing_chain, :with_key) }
 
       it { is_expected.to_not be_valid }
     end
@@ -95,7 +95,7 @@ describe PagesDomain, models: true do
     end
 
     context 'for invalid key' do
-      let(:domain) { build(:pages_domain, :with_certificate_chain, :with_key) }
+      let(:domain) { build(:pages_domain, :with_missing_chain, :with_key) }
 
       it { is_expected.to be_falsey }
     end
@@ -110,11 +110,17 @@ describe PagesDomain, models: true do
       it { is_expected.to be_truthy }
     end
 
-    context 'for certificate chain without the root' do
-      let(:domain) { build(:pages_domain, :with_certificate_chain) }
+    context 'for missing certificate chain' do
+      let(:domain) { build(:pages_domain, :with_missing_chain) }
 
       it { is_expected.to be_falsey }
     end
+
+    context 'for trusted certificate chain' do
+      let(:domain) { build(:pages_domain, :with_trusted_chain) }
+
+      it { is_expected.to be_truthy }
+    end
   end
 
   describe :expired? do