feat: 類似度算出バッチ修正，ほか（#228） (#232)

#228

#228

#228

Co-authored-by: miteruzo <miteruzo@naver.com>
Reviewed-on: #232

backend/spec/tasks/post_similarity_calc_spec.rb

@@ -0,0 +1,34 @@
+require 'rails_helper'
+
+
+RSpec.describe 'post_similarity:calc' do
+  include RakeTaskHelper
+
+  it 'calls Similarity::Calc with Post and :tags' do
+    # 必要最低限のデータ
+    t1 = Tag.create!(name: "t1")
+    t2 = Tag.create!(name: "t2")
+    t3 = Tag.create!(name: "t3")
+
+    p1 = Post.create!(url: "https://example.com/1")
+    p2 = Post.create!(url: "https://example.com/2")
+    p3 = Post.create!(url: "https://example.com/3")
+
+    # kept スコープが絡むなら、PostTag がデフォで kept になる前提
+    PostTag.create!(post: p1, tag: t1)
+    PostTag.create!(post: p1, tag: t2)
+
+    PostTag.create!(post: p2, tag: t1)
+    PostTag.create!(post: p2, tag: t3)
+
+    PostTag.create!(post: p3, tag: t3)
+
+    expect { run_rake_task("post_similarity:calc") }
+      .to change { PostSimilarity.count }.from(0)
+
+    ps = PostSimilarity.find_by!(post_id: p1.id, target_post_id: p2.id)
+    ps_rev = PostSimilarity.find_by!(post_id: p2.id, target_post_id: p1.id)
+    expect(ps_rev.cos).to eq(ps.cos)
+  end
+end
+

backend/spec/tasks/tag_similarity_calc_spec.rb

@@ -0,0 +1,34 @@
+require 'rails_helper'
+
+
+RSpec.describe 'tag_similarity:calc' do
+  include RakeTaskHelper
+
+  it 'calls Similarity::Calc with Tag and :posts' do
+    # 必要最低限のデータ
+    t1 = Tag.create!(name: "t1")
+    t2 = Tag.create!(name: "t2")
+    t3 = Tag.create!(name: "t3")
+
+    p1 = Post.create!(url: "https://example.com/1")
+    p2 = Post.create!(url: "https://example.com/2")
+    p3 = Post.create!(url: "https://example.com/3")
+
+    # kept スコープが絡むなら、PostTag がデフォで kept になる前提
+    PostTag.create!(post: p1, tag: t1)
+    PostTag.create!(post: p1, tag: t2)
+
+    PostTag.create!(post: p2, tag: t1)
+    PostTag.create!(post: p2, tag: t3)
+
+    PostTag.create!(post: p3, tag: t3)
+
+    expect { run_rake_task("tag_similarity:calc") }
+      .to change { TagSimilarity.count }.from(0)
+
+    ps = TagSimilarity.find_by!(tag_id: t1.id, target_tag_id: t2.id)
+    ps_rev = TagSimilarity.find_by!(tag_id: t2.id, target_tag_id: t1.id)
+    expect(ps_rev.cos).to eq(ps.cos)
+  end
+end
+