(FACT-2672) Fix ssh fact output

.rubocop_todo.yml

@@ -1,13 +1,13 @@
 # This configuration was generated by
 # `rubocop --auto-gen-config --exclude-limit 1000`
-# on 2020-06-11 15:48:25 +0300 using RuboCop version 0.81.0.
+# on 2020-08-13 15:12:10 +0300 using RuboCop version 0.81.0.
 # The point is for the user to remove these configuration records
 # one by one as the offenses are removed from the code base.
 # Note that changes in the inspected code, or installation of new
 # versions of RuboCop, may require this file to be generated again.
 
-# Offense count: 82
-# Configuration parameters: CustomTransform, IgnoreMethods.
+# Offense count: 81
+# Configuration parameters: CustomTransform, IgnoreMethods, SpecSuffixOnly.
 RSpec/FilePath:
   Exclude:
     - 'spec/custom_facts/core/aggregate_spec.rb'
@@ -32,7 +32,6 @@ RSpec/FilePath:
     - 'spec/facter/facts_utils/windows_release_finder_spec.rb'
     - 'spec/facter/model/fact_collection_spec.rb'
     - 'spec/facter/model/resolved_fact_spec.rb'
-    - 'spec/facter/resolvers/aio_agent_version_spec.rb'
     - 'spec/facter/resolvers/aix/architecture_resolver_spec.rb'
     - 'spec/facter/resolvers/aix/ffi_helper_spec.rb'
     - 'spec/facter/resolvers/aix/hardware_resolver_spec.rb'
@@ -43,8 +42,8 @@ RSpec/FilePath:
     - 'spec/facter/resolvers/fips_enabled_resolver_spec.rb'
     - 'spec/facter/resolvers/freebsd/ffi_helper_spec.rb'
     - 'spec/facter/resolvers/identity_resolver_spec.rb'
-    - 'spec/facter/resolvers/load_averages_resolver_spec.rb'
     - 'spec/facter/resolvers/macosx/dmi_resolver_spec.rb'
+    - 'spec/facter/resolvers/macosx/utils/system_profile_executor_spec.rb'
     - 'spec/facter/resolvers/memory_resolver_spec.rb'
     - 'spec/facter/resolvers/mountpoints_resolver_spec.rb'
     - 'spec/facter/resolvers/processors_resolver_spec.rb'
@@ -92,8 +91,6 @@ RSpec/FilePath:
     - 'spec/framework/formatters/legacy_fact_formatter_spec.rb'
     - 'spec/framework/formatters/yaml_fact_formatter_spec.rb'
     - 'spec/framework/utils/utils_spec.rb'
-    - 'spec/facter/resolvers/macosx/utils/system_profile_executor_spec.rb'
-
 
 # Offense count: 15
 # Configuration parameters: AssignmentOnly.
@@ -113,7 +110,7 @@ RSpec/LeakyConstantDeclaration:
     - 'spec/facter/resolvers/macosx/mountpoints_resolver_spec.rb'
     - 'spec/facter/resolvers/utils/windows/network_utils_spec.rb'
 
-# Offense count: 96
+# Offense count: 93
 # Configuration parameters: EnforcedStyle.
 # SupportedStyles: have_received, receive
 RSpec/MessageSpies:
@@ -134,7 +131,6 @@ RSpec/MessageSpies:
     - 'spec/custom_facts/util/resolution_spec.rb'
     - 'spec/facter/facts/aix/os/name_spec.rb'
     - 'spec/facter/facts/aix/os/release_spec.rb'
-    - 'spec/facter/facts/macosx/is_virtual_spec.rb'
     - 'spec/facter/facts/macosx/mountpoints_spec.rb'
     - 'spec/facter/facts/macosx/os/architecture_spec.rb'
     - 'spec/facter/facts/macosx/os/family_spec.rb'
@@ -180,7 +176,7 @@ RSpec/SubjectStub:
     - 'spec/custom_facts/util/fact_spec.rb'
     - 'spec/custom_facts/util/resolution_spec.rb'
 
-# Offense count: 134
+# Offense count: 130
 # Configuration parameters: IgnoreNameless, IgnoreSymbolicNames.
 RSpec/VerifiedDoubles:
   Exclude:
@@ -190,7 +186,6 @@ RSpec/VerifiedDoubles:
     - 'spec/custom_facts/util/directory_loader_spec.rb'
     - 'spec/custom_facts/util/fact_spec.rb'
     - 'spec/custom_facts/util/resolution_spec.rb'
-    - 'spec/facter/facts/aix/ssh_spec.rb'
     - 'spec/facter/facts/macosx/memory/swap/capacity_spec.rb'
     - 'spec/facter/facts/macosx/memory/swap/used_bytes_spec.rb'
     - 'spec/facter/facts/macosx/memory/system/capacity_spec.rb'

lib/facter/facts/aix/ssh.rb

@@ -12,14 +12,16 @@ def call_the_resolver
       private
 
       def fact_value
-        resolver_data.map! { |el| create_ssh_fact(el) }.inject(:merge!)
+        resolver_data.map { |el| create_ssh_fact(el) }.inject(:merge)
       end
 
       def resolver_data
         Facter::Resolvers::SshResolver.resolve(:ssh)
       end
 
       def create_ssh_fact(ssh)
+        return {} unless ssh
+
         { ssh.name.to_sym => {
           fingerprints: {
             sha1: ssh.fingerprint.sha1,

lib/facter/facts/linux/ssh.rb

@@ -6,20 +6,30 @@ class Ssh
       FACT_NAME = 'ssh'
 
       def call_the_resolver
-        result = Facter::Resolvers::SshResolver.resolve(:ssh)
-        ssh_facts = {}
-        result.each { |ssh| ssh_facts.merge!(create_ssh_fact(ssh)) }
-        Facter::ResolvedFact.new(FACT_NAME, ssh_facts)
+        Facter::ResolvedFact.new(FACT_NAME, fact_value)
       end
 
       private
 
+      def fact_value
+        resolver_data.map { |el| create_ssh_fact(el) }.inject(:merge)
+      end
+
+      def resolver_data
+        Facter::Resolvers::SshResolver.resolve(:ssh)
+      end
+
       def create_ssh_fact(ssh)
-        { ssh.name.to_sym =>
-              { fingerprints: { sha1: ssh.fingerprint.sha1,
-                                sha256: ssh.fingerprint.sha256 },
-                key: ssh.key,
-                type: ssh.type } }
+        return {} unless ssh
+
+        { ssh.name.to_sym => {
+          fingerprints: {
+            sha1: ssh.fingerprint.sha1,
+            sha256: ssh.fingerprint.sha256
+          },
+          key: ssh.key,
+          type: ssh.type
+        } }
       end
     end
   end

lib/facter/facts/macosx/ssh.rb

@@ -6,22 +6,30 @@ class Ssh
       FACT_NAME = 'ssh'
 
       def call_the_resolver
-        result = Facter::Resolvers::SshResolver.resolve(:ssh)
-        ssh_facts = {}
-        result.each { |ssh| ssh_facts.merge!(create_ssh_fact(ssh)) }
-
-        ssh_facts = nil if ssh_facts.empty?
-        Facter::ResolvedFact.new(FACT_NAME, ssh_facts)
+        Facter::ResolvedFact.new(FACT_NAME, fact_value)
       end
 
       private
 
+      def fact_value
+        resolver_data.map { |el| create_ssh_fact(el) }.inject(:merge)
+      end
+
+      def resolver_data
+        Facter::Resolvers::SshResolver.resolve(:ssh)
+      end
+
       def create_ssh_fact(ssh)
-        { ssh.name.to_sym =>
-              { fingerprints: { sha1: ssh.fingerprint.sha1,
-                                sha256: ssh.fingerprint.sha256 },
-                key: ssh.key,
-                type: ssh.type } }
+        return {} unless ssh
+
+        { ssh.name.to_sym => {
+          fingerprints: {
+            sha1: ssh.fingerprint.sha1,
+            sha256: ssh.fingerprint.sha256
+          },
+          key: ssh.key,
+          type: ssh.type
+        } }
       end
     end
   end

lib/facter/facts/solaris/ssh.rb

@@ -6,20 +6,30 @@ class Ssh
       FACT_NAME = 'ssh'
 
       def call_the_resolver
-        result = Facter::Resolvers::SshResolver.resolve(:ssh)
-        ssh_facts = {}
-        result.each { |ssh| ssh_facts.merge!(create_ssh_fact(ssh)) }
-        Facter::ResolvedFact.new(FACT_NAME, ssh_facts)
+        Facter::ResolvedFact.new(FACT_NAME, fact_value)
       end
 
       private
 
+      def fact_value
+        resolver_data.map { |el| create_ssh_fact(el) }.inject(:merge)
+      end
+
+      def resolver_data
+        Facter::Resolvers::SshResolver.resolve(:ssh)
+      end
+
       def create_ssh_fact(ssh)
-        { ssh.name.to_sym =>
-              { fingerprints: { sha1: ssh.fingerprint.sha1,
-                                sha256: ssh.fingerprint.sha256 },
-                key: ssh.key,
-                type: ssh.type } }
+        return {} unless ssh
+
+        { ssh.name.to_sym => {
+          fingerprints: {
+            sha1: ssh.fingerprint.sha1,
+            sha256: ssh.fingerprint.sha256
+          },
+          key: ssh.key,
+          type: ssh.type
+        } }
       end
     end
   end

spec/facter/facts/aix/ssh_spec.rb

@@ -2,28 +2,40 @@
 
 describe Facts::Aix::Ssh do
   describe '#call_the_resolver' do
-    it 'returns a fact' do
-      ssh1 = Facter::Ssh.new(Facter::FingerPrint.new('test', 'test'), 'ecdsa', 'test', 'ecdsa')
-      ssh2 = Facter::Ssh.new(Facter::FingerPrint.new('test2', 'test2'), 'rsa', 'test2', 'rsa')
-      result = [ssh1, ssh2]
-      result_fact = { ssh1.name.to_sym =>
-                          { fingerprints:
-                                { sha1: ssh1.fingerprint.sha1,
-                                  sha256: ssh1.fingerprint.sha256 },
-                            key: ssh1.key,
-                            type: ssh1.type },
-                      ssh2.name.to_sym =>
-                         { fingerprints:
-                               { sha1: ssh2.fingerprint.sha1,
-                                 sha256: ssh2.fingerprint.sha256 },
-                           key: ssh2.key,
-                           type: ssh2.type } }
-      expected_fact = double(Facter::ResolvedFact, name: 'ssh', value: result_fact)
-      allow(Facter::Resolvers::SshResolver).to receive(:resolve).with(:ssh).and_return(result)
-      allow(Facter::ResolvedFact).to receive(:new).with('ssh', result_fact).and_return(expected_fact)
+    subject(:fact) { Facts::Aix::Ssh.new }
 
-      fact = Facts::Aix::Ssh.new
-      expect(fact.call_the_resolver).to eq(expected_fact)
+    let(:ssh) do
+      [Facter::Ssh.new(Facter::FingerPrint.new('test', 'test'), 'ecdsa', 'test', 'ecdsa')]
+    end
+    let(:value) do
+      { 'ecdsa' => { 'fingerprints' =>
+                         { 'sha1' => 'test', 'sha256' => 'test' },
+                     'key' => 'test',
+                     'type' => 'ecdsa' } }
+    end
+
+    before do
+      allow(Facter::Resolvers::SshResolver).to \
+        receive(:resolve).with(:ssh).and_return(ssh)
+    end
+
+    it 'calls Facter::Resolvers::SshResolver' do
+      fact.call_the_resolver
+      expect(Facter::Resolvers::SshResolver).to have_received(:resolve).with(:ssh)
+    end
+
+    it 'returns a resolved fact' do
+      expect(fact.call_the_resolver).to be_an_instance_of(Facter::ResolvedFact).and \
+        have_attributes(name: 'ssh', value: value)
+    end
+
+    context 'when resolver returns empty array' do
+      let(:ssh) { [] }
+
+      it 'returns nil fact' do
+        expect(fact.call_the_resolver).to be_an_instance_of(Facter::ResolvedFact).and \
+          have_attributes(name: 'ssh', value: nil)
+      end
     end
   end
 end

spec/facter/facts/linux/ssh_spec.rb

@@ -28,5 +28,14 @@
       expect(fact.call_the_resolver).to be_an_instance_of(Facter::ResolvedFact).and \
         have_attributes(name: 'ssh', value: value)
     end
+
+    context 'when resolver returns empty array' do
+      let(:ssh) { [] }
+
+      it 'returns nil fact' do
+        expect(fact.call_the_resolver).to be_an_instance_of(Facter::ResolvedFact).and \
+          have_attributes(name: 'ssh', value: nil)
+      end
+    end
   end
 end

spec/facter/facts/solaris/ssh_spec.rb

@@ -28,5 +28,14 @@
       expect(fact.call_the_resolver).to be_an_instance_of(Facter::ResolvedFact).and \
         have_attributes(name: 'ssh', value: value)
     end
+
+    context 'when resolver returns empty array' do
+      let(:ssh) { [] }
+
+      it 'returns nil fact' do
+        expect(fact.call_the_resolver).to be_an_instance_of(Facter::ResolvedFact).and \
+          have_attributes(name: 'ssh', value: nil)
+      end
+    end
   end
 end

spec/facter/resolvers/ssh_resolver_spec.rb

@@ -79,5 +79,15 @@
         expect(Facter::Resolvers::SshResolver.resolve(:ssh)).to eq([rsa_result, ed25519_result])
       end
     end
+
+    context 'when ssh fails to be retrieved' do
+      before do
+        paths.each { |path| allow(File).to receive(:directory?).with(path).and_return(false) }
+      end
+
+      it 'returns empty array' do
+        expect(Facter::Resolvers::SshResolver.resolve(:ssh)).to eq([])
+      end
+    end
   end
 end