1 files changed, 93 insertions, 0 deletions
diff --git a/spec/lib/gitlab/background_migration/populate_vulnerability_reads_spec.rb b/spec/lib/gitlab/background_migration/populate_vulnerability_reads_spec.rb
new file mode 100644
index 00000000000..a265fa95b23
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+++ b/spec/lib/gitlab/background_migration/populate_vulnerability_reads_spec.rb
@@ -0,0 +1,93 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Gitlab::BackgroundMigration::PopulateVulnerabilityReads do
+  let(:vulnerabilities) { table(:vulnerabilities) }
+  let(:vulnerability_reads) { table(:vulnerability_reads) }
+  let(:vulnerabilities_findings) { table(:vulnerability_occurrences) }
+  let(:vulnerability_issue_links) { table(:vulnerability_issue_links) }
+  let(:namespace) { table(:namespaces).create!(name: 'user', path: 'user') }
+  let(:user) { table(:users).create!(email: 'author@example.com', username: 'author', projects_limit: 10) }
+  let(:project) { table(:projects).create!(namespace_id: namespace.id) }
+  let(:scanner) { table(:vulnerability_scanners).create!(project_id: project.id, external_id: 'test 1', name: 'test scanner 1') }
+  let(:sub_batch_size) { 1000 }
+
+  before do
+    vulnerabilities_findings.connection.execute 'ALTER TABLE vulnerability_occurrences DISABLE TRIGGER "trigger_insert_or_update_vulnerability_reads_from_occurrences"'
+    vulnerabilities.connection.execute 'ALTER TABLE vulnerabilities DISABLE TRIGGER "trigger_update_vulnerability_reads_on_vulnerability_update"'
+    vulnerability_issue_links.connection.execute 'ALTER TABLE vulnerability_issue_links DISABLE TRIGGER "trigger_update_has_issues_on_vulnerability_issue_links_update"'
+
+    10.times.each do |x|
+      vulnerability = create_vulnerability!(
+        project_id: project.id,
+        report_type: 7,
+        author_id: user.id
+      )
+      identifier = table(:vulnerability_identifiers).create!(
+        project_id: project.id,
+        external_type: 'uuid-v5',
+        external_id: 'uuid-v5',
+        fingerprint: Digest::SHA1.hexdigest("#{vulnerability.id}"),
+        name: 'Identifier for UUIDv5')
+
+      create_finding!(
+        vulnerability_id: vulnerability.id,
+        project_id: project.id,
+        scanner_id: scanner.id,
+        primary_identifier_id: identifier.id
+      )
+    end
+  end
+
+  it 'creates vulnerability_reads for the given records' do
+    described_class.new.perform(vulnerabilities.first.id, vulnerabilities.last.id, sub_batch_size)
+
+    expect(vulnerability_reads.count).to eq(10)
+  end
+
+  it 'does not create new records when records already exists' do
+    described_class.new.perform(vulnerabilities.first.id, vulnerabilities.last.id, sub_batch_size)
+    described_class.new.perform(vulnerabilities.first.id, vulnerabilities.last.id, sub_batch_size)
+
+    expect(vulnerability_reads.count).to eq(10)
+  end
+
+  private
+
+  def create_vulnerability!(project_id:, author_id:, title: 'test', severity: 7, confidence: 7, report_type: 0)
+    vulnerabilities.create!(
+      project_id: project_id,
+      author_id: author_id,
+      title: title,
+      severity: severity,
+      confidence: confidence,
+      report_type: report_type
+    )
+  end
+
+  # rubocop:disable Metrics/ParameterLists
+  def create_finding!(
+    vulnerability_id: nil, project_id:, scanner_id:, primary_identifier_id:,
+    name: "test", severity: 7, confidence: 7, report_type: 0,
+    project_fingerprint: '123qweasdzxc', location: { "image" => "alpine:3.4" }, location_fingerprint: 'test',
+    metadata_version: 'test', raw_metadata: 'test', uuid: SecureRandom.uuid)
+    vulnerabilities_findings.create!(
+      vulnerability_id: vulnerability_id,
+      project_id: project_id,
+      name: name,
+      severity: severity,
+      confidence: confidence,
+      report_type: report_type,
+      project_fingerprint: project_fingerprint,
+      scanner_id: scanner_id,
+      primary_identifier_id: primary_identifier_id,
+      location: location,
+      location_fingerprint: location_fingerprint,
+      metadata_version: metadata_version,
+      raw_metadata: raw_metadata,
+      uuid: uuid
+    )
+  end
+  # rubocop:enable Metrics/ParameterLists
+end