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97143efc52
In 14cf8eacf1, we added the
`user_search_similar_results` site setting which when enabled will use
trigram matching for similarity search in `UserSearch`. However, we
noted that adding the `index_users_on_username_lower_trgm` index is
causing the PG planner to not use the `index_users_on_username_lower`
index when the `=` operator is used against the `username_lower` column.
Based on the PG mailing list discussion where support for the `=`
operator in gist_trgm_ops was being considered, it stated that "I also have checked that btree_gist is preferred over pg_trgm gist
index for equality search." This is however quite different from reality
on our own PG clusters where the btree index is not preferred leading to
significantly slower queries when the `=` operator is used.
Since the pg_trgm gist index is only used for queries when the `user_search_similar_results` site setting
is enabled, we decided to drop the feature instead as it is hidden and
disabled by default. As such, we can consider it experiemental and drop
it without deprecation.
PG mailing list discussiong: https://www.postgresql.org/message-id/CAPpHfducQ0U8noyb2L3VChsyBMsc5V2Ej2whmEuxmAgHa2jVXg%40mail.gmail.com
283 lines
10 KiB
Ruby
283 lines
10 KiB
Ruby
# frozen_string_literal: true
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RSpec.describe UserSearch do
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before_all { SearchIndexer.enable } # Enable for prefabrication
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before { SearchIndexer.enable } # Enable for each test
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fab!(:topic)
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fab!(:topic2) { Fabricate :topic }
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fab!(:topic3) { Fabricate :topic }
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fab!(:topic4) { Fabricate :topic }
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fab!(:mr_b) do
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Fabricate :user, username: "mrb", name: "Michael Madsen", last_seen_at: 10.days.ago
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end
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fab!(:mr_blue) do
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Fabricate :user, username: "mrblue", name: "Eddie Code", last_seen_at: 9.days.ago
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end
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fab!(:mr_orange) do
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Fabricate :user, username: "mrorange", name: "Tim Roth", last_seen_at: 8.days.ago
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end
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fab!(:mr_pink) do
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Fabricate :user, username: "mrpink", name: "Steve Buscemi", last_seen_at: 7.days.ago
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end
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fab!(:mr_brown) do
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Fabricate :user, username: "mrbrown", name: "Quentin Tarantino", last_seen_at: 6.days.ago
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end
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fab!(:mr_white) do
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Fabricate :user, username: "mrwhite", name: "Harvey Keitel", last_seen_at: 5.days.ago
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end
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fab!(:inactive) { Fabricate :user, username: "Ghost", active: false }
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fab!(:admin) { Fabricate :admin, username: "theadmin" }
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fab!(:moderator) { Fabricate :moderator, username: "themod" }
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fab!(:staged)
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def search_for(*args)
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# mapping "username" so it's easier to debug
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UserSearch.new(*args).search.map(&:username)
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end
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context "with a secure category" do
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fab!(:user)
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fab!(:searching_user) { Fabricate(:user) }
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fab!(:group)
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fab!(:category) { Fabricate(:category, read_restricted: true, user: user) }
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before_all do
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Fabricate(:category_group, category: category, group: group)
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group.add(user)
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group.add(searching_user)
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group.save
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end
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it "autocompletes with people in the category" do
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results = search_for("", searching_user: searching_user, category_id: category.id)
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expect(results).to eq [user.username]
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end
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it "will lookup the category from the topic id" do
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topic = Fabricate(:topic, category: category)
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Fabricate(:post, user: topic.user, topic: topic)
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results = search_for("", searching_user: searching_user, topic_id: topic.id)
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expect(results).to eq [topic.user, user].map(&:username)
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end
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it "will raise an error if the user cannot see the category" do
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expect do
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search_for("", searching_user: Fabricate(:user), category_id: category.id)
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end.to raise_error(Discourse::InvalidAccess)
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end
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it "will respect the group member visibility setting" do
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group.update(members_visibility_level: Group.visibility_levels[:owners])
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results = search_for("", searching_user: searching_user, category_id: category.id)
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expect(results).to be_blank
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group.add_owner(searching_user)
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results = search_for("", searching_user: searching_user, category_id: category.id)
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expect(results).to eq [user.username]
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end
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end
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it "allows for correct underscore searching" do
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Fabricate(:user, username: "undertaker")
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under_score = Fabricate(:user, username: "Under_Score")
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expect(search_for("under_sc")).to eq [under_score.username]
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expect(search_for("under_")).to eq [under_score.username]
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end
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it "allows filtering by group" do
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sam = Fabricate(:user, username: "sam")
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Fabricate(:user, username: "samantha")
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group = Fabricate(:group)
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group.add(sam)
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results = search_for("sam", groups: [group])
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expect(results).to eq [sam.username]
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end
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it "allows filtering by multiple groups" do
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sam = Fabricate(:user, username: "sam")
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samantha = Fabricate(:user, username: "samantha")
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group_1 = Fabricate(:group)
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group_1.add(sam)
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group_2 = Fabricate(:group)
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group_2.add(samantha)
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results = search_for("sam", groups: [group_1, group_2])
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expect(results).to eq [sam, samantha].map(&:username)
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end
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context "with seed data" do
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fab!(:post1) { Fabricate :post, user: mr_b, topic: topic }
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fab!(:post2) { Fabricate :post, user: mr_blue, topic: topic2 }
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fab!(:post3) { Fabricate :post, user: mr_orange, topic: topic }
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fab!(:post4) { Fabricate :post, user: mr_pink, topic: topic }
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fab!(:post5) { Fabricate :post, user: mr_brown, topic: topic3 }
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fab!(:post6) { Fabricate :post, user: mr_white, topic: topic }
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fab!(:post7) { Fabricate :post, user: staged, topic: topic4 }
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fab!(:post8) { Fabricate :post, user: mr_brown, topic: topic2, post_type: Post.types[:whisper] }
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before { mr_white.update(suspended_at: 1.day.ago, suspended_till: 1.year.from_now) }
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it "can search by name and username" do
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# normal search
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results = search_for(mr_b.name.split.first)
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expect(results).to eq [mr_b.username]
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# lower case
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results = search_for(mr_b.name.split.first.downcase)
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expect(results).to eq [mr_b.username]
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# username
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results = search_for(mr_pink.username)
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expect(results).to eq [mr_pink.username]
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# case insensitive
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results = search_for(mr_pink.username.upcase)
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expect(results).to eq [mr_pink.username]
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end
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it "handles substring search correctly" do
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results = search_for("mr")
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expect(results).to eq [mr_brown, mr_pink, mr_orange, mr_blue, mr_b].map(&:username)
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results = search_for("mr", searching_user: mr_b)
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expect(results).to eq [mr_brown, mr_pink, mr_orange, mr_blue, mr_b].map(&:username)
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# only staff members see suspended users in results
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results = search_for("mr", searching_user: moderator)
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expect(results).to eq [mr_white, mr_brown, mr_pink, mr_orange, mr_blue, mr_b].map(&:username)
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results = search_for("mr", searching_user: admin)
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expect(results).to eq [mr_white, mr_brown, mr_pink, mr_orange, mr_blue, mr_b].map(&:username)
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results = search_for(mr_b.username, searching_user: admin)
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expect(results).to eq [mr_b, mr_brown, mr_blue].map(&:username)
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results = search_for("MR", searching_user: admin)
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expect(results).to eq [mr_white, mr_brown, mr_pink, mr_orange, mr_blue, mr_b].map(&:username)
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results = search_for("MRB", searching_user: admin, limit: 2)
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expect(results).to eq [mr_b, mr_brown].map(&:username)
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end
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it "prioritises topic participants" do
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results = search_for(mr_b.username, topic_id: topic.id)
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expect(results).to eq [mr_b, mr_brown, mr_blue].map(&:username)
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results = search_for(mr_b.username, topic_id: topic2.id)
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expect(results).to eq [mr_b, mr_blue, mr_brown].map(&:username)
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results = search_for(mr_b.username, topic_id: topic3.id)
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expect(results).to eq [mr_b, mr_brown, mr_blue].map(&:username)
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end
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it "does not reveal whisper users" do
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results = search_for("", topic_id: topic2.id)
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expect(results).to eq [mr_blue.username]
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end
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it "does not include deleted posts users" do
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post4.trash!
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results = search_for("", topic_id: topic.id)
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expect(results).to eq [mr_orange, mr_b].map(&:username)
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end
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it "only reveals topic participants to people with permission" do
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pm_topic =
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Fabricate(:private_message_post, user: Fabricate(:user, refresh_auto_groups: true)).topic
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# Anonymous, does not have access
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expect do search_for("", topic_id: pm_topic.id) end.to raise_error(Discourse::InvalidAccess)
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# Random user, does not have access
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expect do search_for("", topic_id: pm_topic.id, searching_user: mr_b) end.to raise_error(
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Discourse::InvalidAccess,
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)
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pm_topic.invite(pm_topic.user, mr_b.username)
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results = search_for("", topic_id: pm_topic.id, searching_user: mr_b)
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expect(results).to eq [pm_topic.user.username]
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end
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it "only searches by name when enabled" do
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# When searching by name is enabled, it returns the record
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SiteSetting.enable_names = true
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results = search_for("Tarantino")
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expect(results).to eq [mr_brown.username]
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results = search_for("coding")
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expect(results).to be_blank
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results = search_for("z")
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expect(results).to be_blank
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# When searching by name is disabled, it will not return the record
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SiteSetting.enable_names = false
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results = search_for("Tarantino")
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expect(results).to be_blank
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end
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it "does not show unapproved users when must_approve_users enabled" do
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SiteSetting.must_approve_users = true
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unapproved = Fabricate(:user, username: "mrunapproved", active: true, approved: false)
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approved = Fabricate(:user, username: "mrapproved", active: true, approved: true)
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users = search_for(unapproved.username)
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expect(users).to be_blank
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users = search_for(approved.username)
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expect(users).not_to be_blank
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end
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it "prioritises exact matches" do
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results = search_for("mrB")
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expect(results).to eq [mr_b, mr_brown, mr_blue].map(&:username)
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end
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it "doesn't prioritises exact matches mentions for users who haven't been seen in over a year" do
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abcdef = Fabricate(:user, username: "abcdef", last_seen_at: 2.days.ago)
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abcde = Fabricate(:user, username: "abcde", last_seen_at: 2.weeks.ago)
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abcd = Fabricate(:user, username: "abcd", last_seen_at: 2.months.ago)
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abc = Fabricate(:user, username: "abc", last_seen_at: 2.years.ago)
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results = search_for("abc", topic_id: topic.id)
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expect(results).to eq [abcdef, abcde, abcd, abc].map(&:username)
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end
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it "does not include self, staged or inactive" do
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# don't return inactive users
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results = search_for(inactive.username)
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expect(results).to be_blank
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# don't return staged users
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results = search_for(staged.username)
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expect(results).to be_blank
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results = search_for(staged.username, include_staged_users: true)
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expect(results).to eq [staged.username]
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# mrb is omitted since they're the searching user
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results = search_for("", topic_id: topic.id, searching_user: mr_b)
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expect(results).to eq [mr_pink, mr_orange].map(&:username)
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end
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it "works with last_seen_users option" do
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results = search_for("", last_seen_users: true)
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expect(results).not_to be_blank
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expect(results[0]).to eq("mrbrown")
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expect(results[1]).to eq("mrpink")
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expect(results[2]).to eq("mrorange")
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end
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end
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end
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