476 lines
24 KiB
Haskell
476 lines
24 KiB
Haskell
module Feature.Query.EmbedDisambiguationSpec where
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import Network.Wai (Application)
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import Test.Hspec hiding (pendingWith)
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import Test.Hspec.Wai
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import Test.Hspec.Wai.JSON
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import Protolude hiding (get)
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import SpecHelper
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spec :: SpecWith ((), Application)
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spec =
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describe "resource embedding disambiguation" $ do
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context "ambiguous requests that give 300 Multiple Choices" $ do
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it "errs when there's a table and view that point to the same fk" $
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get "/message?select=id,body,sender(name,sent)" `shouldRespondWith`
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[json|
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{
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"details": [
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{
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"cardinality": "many-to-one",
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"relationship": "message_sender_fkey using message(sender) and person(id)",
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"embedding": "message with person"
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},
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{
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"cardinality": "many-to-one",
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"relationship": "message_sender_fkey using message(sender) and person_detail(id)",
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"embedding": "message with person_detail"
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}
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],
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"hint": "Try changing 'sender' to one of the following: 'person!message_sender_fkey', 'person_detail!message_sender_fkey'. Find the desired relationship in the 'details' key.",
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"message": "Could not embed because more than one relationship was found for 'message' and 'sender'",
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"code": "PGRST201"
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}
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|]
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{ matchStatus = 300
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, matchHeaders = [matchContentTypeJson]
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}
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it "errs when there's a table and view that point to the same fk (composite pk)" $
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get "/activities?select=fst_shift(*)" `shouldRespondWith`
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[json|
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{
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"details": [
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{
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"cardinality": "one-to-many",
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"relationship": "fst_shift using activities(id, schedule_id) and unit_workdays(fst_shift_activity_id, fst_shift_schedule_id)",
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"embedding": "activities with unit_workdays"
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},
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{
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"cardinality": "one-to-many",
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"relationship": "fst_shift using activities(id, schedule_id) and unit_workdays_fst_shift(fst_shift_activity_id, fst_shift_schedule_id)",
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"embedding": "activities with unit_workdays_fst_shift"
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}
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],
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"hint": "Try changing 'fst_shift' to one of the following: 'unit_workdays!fst_shift', 'unit_workdays_fst_shift!fst_shift'. Find the desired relationship in the 'details' key.",
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"message": "Could not embed because more than one relationship was found for 'activities' and 'fst_shift'",
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"code": "PGRST201"
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}
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|]
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{ matchStatus = 300
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, matchHeaders = [matchContentTypeJson]
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}
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it "errs when there are o2m and m2m cardinalities to the target table" $
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get "/sites?select=*,big_projects(*)" `shouldRespondWith`
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[json|
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{
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"details": [
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{
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"cardinality": "many-to-one",
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"relationship": "main_project using sites(main_project_id) and big_projects(big_project_id)",
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"embedding": "sites with big_projects"
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},
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{
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"cardinality": "many-to-many",
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"relationship": "jobs using jobs_site_id_fkey(site_id) and jobs_big_project_id_fkey(big_project_id)",
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"embedding": "sites with big_projects"
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},
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{
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"cardinality": "many-to-many",
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"relationship": "main_jobs using jobs_site_id_fkey(site_id) and jobs_big_project_id_fkey(big_project_id)",
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"embedding": "sites with big_projects"
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}
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],
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"hint": "Try changing 'big_projects' to one of the following: 'big_projects!main_project', 'big_projects!jobs', 'big_projects!main_jobs'. Find the desired relationship in the 'details' key.",
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"message": "Could not embed because more than one relationship was found for 'sites' and 'big_projects'",
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"code": "PGRST201"
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}
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|]
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{ matchStatus = 300
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, matchHeaders = [matchContentTypeJson]
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}
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it "errs on an ambiguous embed that has a circular reference" $
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get "/agents?select=*,departments(*)" `shouldRespondWith`
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[json|
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{
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"details": [
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{
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"cardinality": "many-to-one",
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"relationship": "agents_department_id_fkey using agents(department_id) and departments(id)",
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"embedding": "agents with departments"
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},
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{
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"cardinality": "one-to-many",
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"relationship": "departments_head_id_fkey using agents(id) and departments(head_id)",
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"embedding": "agents with departments"
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}
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],
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"hint": "Try changing 'departments' to one of the following: 'departments!agents_department_id_fkey', 'departments!departments_head_id_fkey'. Find the desired relationship in the 'details' key.",
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"message": "Could not embed because more than one relationship was found for 'agents' and 'departments'",
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"code": "PGRST201"
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}
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|]
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{ matchStatus = 300
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, matchHeaders = [matchContentTypeJson]
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}
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it "errs when there are more than two fks on a junction table(currently impossible to disambiguate, only choice is to split the table)" $
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-- We have 4 possibilities for doing the junction JOIN here.
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-- This could be solved by specifying two additional fks, like whatev_projects!fk1!fk2(*)
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-- If the need arises this capability can be added later without causing a breaking change
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get "/whatev_sites?select=*,whatev_projects(*)" `shouldRespondWith`
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[json|
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{
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"details": [
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{
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"cardinality": "many-to-many",
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"relationship": "whatev_jobs using whatev_jobs_site_id_1_fkey(site_id_1) and whatev_jobs_project_id_1_fkey(project_id_1)",
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"embedding": "whatev_sites with whatev_projects"
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},
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{
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"cardinality": "many-to-many",
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"relationship": "whatev_jobs using whatev_jobs_site_id_1_fkey(site_id_1) and whatev_jobs_project_id_2_fkey(project_id_2)",
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"embedding": "whatev_sites with whatev_projects"
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},
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{
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"cardinality": "many-to-many",
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"relationship": "whatev_jobs using whatev_jobs_site_id_2_fkey(site_id_2) and whatev_jobs_project_id_1_fkey(project_id_1)",
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"embedding": "whatev_sites with whatev_projects"
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},
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{
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"cardinality": "many-to-many",
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"relationship": "whatev_jobs using whatev_jobs_site_id_2_fkey(site_id_2) and whatev_jobs_project_id_2_fkey(project_id_2)",
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"embedding": "whatev_sites with whatev_projects"
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}
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],
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"hint": "Try changing 'whatev_projects' to one of the following: 'whatev_projects!whatev_jobs', 'whatev_projects!whatev_jobs', 'whatev_projects!whatev_jobs', 'whatev_projects!whatev_jobs'. Find the desired relationship in the 'details' key.",
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"message": "Could not embed because more than one relationship was found for 'whatev_sites' and 'whatev_projects'",
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"code": "PGRST201"
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}
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|]
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{ matchStatus = 300
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, matchHeaders = [matchContentTypeJson]
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}
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context "disambiguating requests with embed hints" $ do
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context "using FK to specify the relationship" $ do
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it "can embed by FK name" $
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get "/projects?id=in.(1,3)&select=id,name,client(id,name)" `shouldRespondWith`
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[json|[{"id":1,"name":"Windows 7","client":{"id":1,"name":"Microsoft"}},{"id":3,"name":"IOS","client":{"id":2,"name":"Apple"}}]|]
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{ matchHeaders = [matchContentTypeJson] }
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it "can embed by FK name and select the FK column at the same time" $
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get "/projects?id=in.(1,3)&select=id,name,client_id,client(id,name)" `shouldRespondWith`
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[json|[{"id":1,"name":"Windows 7","client_id":1,"client":{"id":1,"name":"Microsoft"}},{"id":3,"name":"IOS","client_id":2,"client":{"id":2,"name":"Apple"}}]|]
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{ matchHeaders = [matchContentTypeJson] }
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it "can embed parent with view!fk and grandparent by using fk" $
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get "/tasks?id=eq.1&select=id,name,projects_view!project(id,name,client(id,name))" `shouldRespondWith`
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[json|[{"id":1,"name":"Design w7","projects_view":{"id":1,"name":"Windows 7","client":{"id":1,"name":"Microsoft"}}}]|]
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it "can embed by using a composite FK name" $
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get "/unit_workdays?select=unit_id,day,fst_shift(car_id,schedule(name)),snd_shift(camera_id,schedule(name))" `shouldRespondWith`
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[json| [
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{
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"day": "2019-12-02",
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"fst_shift": {
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"car_id": "CAR-349",
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"schedule": {
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"name": "morning"
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}
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},
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"snd_shift": {
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"camera_id": "CAM-123",
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"schedule": {
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"name": "night"
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}
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},
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"unit_id": 1
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}
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] |]
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{ matchHeaders = [matchContentTypeJson] }
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it "embeds by using two fks pointing to the same table" $
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get "/orders?id=eq.1&select=id, name, billing(address), shipping(address)" `shouldRespondWith`
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[json|[{"id":1,"name":"order 1","billing":{"address": "address 1"},"shipping":{"address": "address 2"}}]|]
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{ matchHeaders = [matchContentTypeJson] }
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it "fails if the fk is not known" $
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get "/message?select=id,sender:person!space(name)&id=lt.4" `shouldRespondWith`
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[json|{
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"hint":"Verify that 'message' and 'person' exist in the schema 'test' and that there is a foreign key relationship between them. If a new relationship was created, try reloading the schema cache.",
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"message":"Could not find a relationship between 'message' and 'person' in the schema cache",
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"code": "PGRST200",
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"details": null}|]
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{ matchStatus = 400
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, matchHeaders = [matchContentTypeJson] }
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it "can request a parent with fk" $
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get "/comments?select=content,user(name)" `shouldRespondWith`
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[json|[ { "content": "Needs to be delivered ASAP", "user": { "name": "Angela Martin" } } ]|]
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{ matchHeaders = [matchContentTypeJson] }
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it "can request two parents with fks" $
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get "/articleStars?select=createdAt,article(id),user(name)&limit=1"
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`shouldRespondWith`
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[json|[{"createdAt":"2015-12-08T04:22:57.472738","article":{"id": 1},"user":{"name": "Angela Martin"}}]|]
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it "can specify a view!fk" $
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get "/message?select=id,body,sender:person_detail!message_sender_fkey(name,sent),recipient:person_detail!message_recipient_fkey(name,received)&id=lt.4" `shouldRespondWith`
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[json|
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[{"id":1,"body":"Hello Jane","sender":{"name":"John","sent":2},"recipient":{"name":"Jane","received":2}},
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{"id":2,"body":"Hi John","sender":{"name":"Jane","sent":1},"recipient":{"name":"John","received":1}},
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{"id":3,"body":"How are you doing?","sender":{"name":"John","sent":2},"recipient":{"name":"Jane","received":2}}] |]
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{ matchHeaders = [matchContentTypeJson] }
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it "can specify a table!fk hint and request children 2 levels" $
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get "/clients?id=eq.1&select=id,projects:projects!client(id,tasks(id))" `shouldRespondWith`
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[json|[{"id":1,"projects":[{"id":1,"tasks":[{"id":1},{"id":2}]},{"id":2,"tasks":[{"id":3},{"id":4}]}]}]|]
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{ matchHeaders = [matchContentTypeJson] }
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it "can disambiguate with the fk in case of an o2m and m2m relationship to the same table" $
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get "/sites?select=name,main_project(name)&site_id=eq.1" `shouldRespondWith`
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[json| [ { "name": "site 1", "main_project": { "name": "big project 1" } } ] |]
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{ matchHeaders = [matchContentTypeJson] }
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context "using the column name of the FK to specify the relationship" $ do
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it "can embed by column" $
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get "/projects?id=in.(1,3)&select=id,name,client_id(id,name)" `shouldRespondWith`
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[json|[{"id":1,"name":"Windows 7","client_id":{"id":1,"name":"Microsoft"}},{"id":3,"name":"IOS","client_id":{"id":2,"name":"Apple"}}]|]
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{ matchHeaders = [matchContentTypeJson] }
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it "can embed by column and select the column at the same time, if aliased" $
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get "/projects?id=in.(1,3)&select=id,name,client_id,client:client_id(id,name)" `shouldRespondWith`
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[json|[{"id":1,"name":"Windows 7","client_id":1,"client":{"id":1,"name":"Microsoft"}},{"id":3,"name":"IOS","client_id":2,"client":{"id":2,"name":"Apple"}}]|]
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{ matchHeaders = [matchContentTypeJson] }
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it "can embed parent by using view!column and grandparent by using the column" $
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get "/tasks?id=eq.1&select=id,name,project:projects_view!project_id(id,name,client:client_id(id,name))" `shouldRespondWith`
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[json|[{"id":1,"name":"Design w7","project":{"id":1,"name":"Windows 7","client":{"id":1,"name":"Microsoft"}}}]|]
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it "can specify table!column" $
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get "/message?select=id,body,sender:person!sender(name),recipient:person!recipient(name)&id=lt.4" `shouldRespondWith`
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[json|
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[{"id":1,"body":"Hello Jane","sender":{"name":"John"},"recipient":{"name":"Jane"}},
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{"id":2,"body":"Hi John","sender":{"name":"Jane"},"recipient":{"name":"John"}},
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{"id":3,"body":"How are you doing?","sender":{"name":"John"},"recipient":{"name":"Jane"}}] |]
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{ matchHeaders = [matchContentTypeJson] }
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it "will embed using a column that has uppercase chars" $
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get "/ghostBusters?select=escapeId(*)" `shouldRespondWith`
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[json| [{"escapeId":{"so6meIdColumn":1}},{"escapeId":{"so6meIdColumn":3}},{"escapeId":{"so6meIdColumn":5}}] |]
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{ matchHeaders = [matchContentTypeJson] }
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it "embeds by using two columns pointing to the same table" $
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get "/orders?id=eq.1&select=id, name, billing_address_id(id), shipping_address_id(id)" `shouldRespondWith`
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[json|[{"id":1,"name":"order 1","billing_address_id":{"id":1},"shipping_address_id":{"id":2}}]|]
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{ matchHeaders = [matchContentTypeJson] }
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it "can disambiguate with the column in case of an o2m and m2m relationship to the same table" $
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get "/sites?select=name,main_project_id(name)&site_id=eq.1" `shouldRespondWith`
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[json| [ { "name": "site 1", "main_project_id": { "name": "big project 1" } } ] |]
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{ matchHeaders = [matchContentTypeJson] }
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context "using the junction to disambiguate the request" $
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it "can specify the junction of an m2m relationship" $ do
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get "/sites?select=*,big_projects!jobs(name)&site_id=in.(1,2)" `shouldRespondWith`
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[json|
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[
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{
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"big_projects": [
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{
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"name": "big project 1"
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}
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],
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"main_project_id": 1,
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"name": "site 1",
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"site_id": 1
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},
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{
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"big_projects": [
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{
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"name": "big project 1"
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},
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{
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"name": "big project 2"
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}
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],
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"main_project_id": null,
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"name": "site 2",
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"site_id": 2
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}
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]
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|]
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get "/sites?select=*,big_projects!main_jobs(name)&site_id=in.(1,2)" `shouldRespondWith`
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[json|
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[
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{
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"big_projects": [
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{
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"name": "big project 1"
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}
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],
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"main_project_id": 1,
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"name": "site 1",
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"site_id": 1
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},
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{
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"big_projects": [],
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"main_project_id": null,
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"name": "site 2",
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"site_id": 2
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}
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]
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|]
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{ matchHeaders = [matchContentTypeJson] }
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context "using a FK column and a FK to specify the relationship" $
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it "embeds by using a column and a fk pointing to the same table" $
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get "/orders?id=eq.1&select=id, name, billing_address_id(id), shipping(id)" `shouldRespondWith`
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[json|[{"id":1,"name":"order 1","billing_address_id":{"id":1},"shipping":{"id":2}}]|]
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{ matchHeaders = [matchContentTypeJson] }
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context "tables with self reference foreign keys" $ do
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context "one self reference foreign key" $ do
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it "embeds parents recursively" $
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get "/family_tree?id=in.(3,4)&select=id,parent(id,name,parent(*))" `shouldRespondWith`
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[json|[
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{ "id": "3", "parent": { "id": "1", "name": "Parental Unit", "parent": null } },
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{ "id": "4", "parent": { "id": "2", "name": "Kid One", "parent": { "id": "1", "name": "Parental Unit", "parent": null } } }
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]|]
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{ matchHeaders = [matchContentTypeJson] }
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it "embeds children recursively" $
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get "/family_tree?id=eq.1&select=id,name, children:family_tree!parent(id,name,children:family_tree!parent(id,name))" `shouldRespondWith`
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[json|[{
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"id": "1", "name": "Parental Unit", "children": [
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{ "id": "2", "name": "Kid One", "children": [ { "id": "4", "name": "Grandkid One" } ] },
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{ "id": "3", "name": "Kid Two", "children": [ { "id": "5", "name": "Grandkid Two" } ] }
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]
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}]|] { matchHeaders = [matchContentTypeJson] }
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it "embeds parent and then embeds children" $
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get "/family_tree?id=eq.2&select=id,name,parent(id,name,children:family_tree!parent(id,name))" `shouldRespondWith`
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[json|[{
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"id": "2", "name": "Kid One", "parent": {
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"id": "1", "name": "Parental Unit", "children": [ { "id": "2", "name": "Kid One" }, { "id": "3", "name": "Kid Two"} ]
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}
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}]|] { matchHeaders = [matchContentTypeJson] }
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context "two self reference foreign keys" $ do
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it "embeds parents" $
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get "/organizations?select=id,name,referee(id,name),auditor(id,name)&id=eq.3" `shouldRespondWith`
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[json|[{
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"id": 3, "name": "Acme",
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"referee": {
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"id": 1,
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"name": "Referee Org"
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},
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"auditor": {
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"id": 2,
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"name": "Auditor Org"
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}
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}]|] { matchHeaders = [matchContentTypeJson] }
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it "embeds children" $ do
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get "/organizations?select=id,name,refereeds:organizations!referee(id,name)&id=eq.1" `shouldRespondWith`
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[json|[{
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"id": 1, "name": "Referee Org",
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"refereeds": [
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{
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"id": 3,
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"name": "Acme"
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},
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{
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"id": 4,
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"name": "Umbrella"
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}
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]
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}]|] { matchHeaders = [matchContentTypeJson] }
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get "/organizations?select=id,name,auditees:organizations!auditor(id,name)&id=eq.2" `shouldRespondWith`
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[json|[{
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"id": 2, "name": "Auditor Org",
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"auditees": [
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{
|
|
"id": 3,
|
|
"name": "Acme"
|
|
},
|
|
{
|
|
"id": 4,
|
|
"name": "Umbrella"
|
|
}
|
|
]
|
|
}]|] { matchHeaders = [matchContentTypeJson] }
|
|
|
|
it "embeds other relations(manager) besides the self reference" $ do
|
|
get "/organizations?select=name,manager(name),referee(name,manager(name),auditor(name,manager(name))),auditor(name,manager(name),referee(name,manager(name)))&id=eq.5" `shouldRespondWith`
|
|
[json|[{
|
|
"name":"Cyberdyne",
|
|
"manager":{"name":"Cyberdyne Manager"},
|
|
"referee":{
|
|
"name":"Acme",
|
|
"manager":{"name":"Acme Manager"},
|
|
"auditor":{
|
|
"name":"Auditor Org",
|
|
"manager":{"name":"Auditor Manager"}}},
|
|
"auditor":{
|
|
"name":"Umbrella",
|
|
"manager":{"name":"Umbrella Manager"},
|
|
"referee":{
|
|
"name":"Referee Org",
|
|
"manager":{"name":"Referee Manager"}}}
|
|
}]|] { matchHeaders = [matchContentTypeJson] }
|
|
|
|
get "/organizations?select=name,manager(name),auditees:organizations!auditor(name,manager(name),refereeds:organizations!referee(name,manager(name)))&id=eq.2" `shouldRespondWith`
|
|
[json|[{
|
|
"name":"Auditor Org",
|
|
"manager":{"name":"Auditor Manager"},
|
|
"auditees":[
|
|
{"name":"Acme",
|
|
"manager":{"name":"Acme Manager"},
|
|
"refereeds":[
|
|
{"name":"Cyberdyne",
|
|
"manager":{"name":"Cyberdyne Manager"}},
|
|
{"name":"Oscorp",
|
|
"manager":{"name":"Oscorp Manager"}}]},
|
|
{"name":"Umbrella",
|
|
"manager":{"name":"Umbrella Manager"},
|
|
"refereeds":[]}]
|
|
}]|] { matchHeaders = [matchContentTypeJson] }
|
|
|
|
context "m2m embed when there's a junction in an internal schema" $ do
|
|
-- https://github.com/PostgREST/postgrest/issues/1736
|
|
it "works with no ambiguity when there's an exposed view of the junction" $ do
|
|
get "/screens?select=labels(name)" `shouldRespondWith`
|
|
[json|[{"labels":[{"name":"fruit"}]}, {"labels":[{"name":"vehicles"}]}, {"labels":[{"name":"vehicles"}, {"name":"fruit"}]}]|]
|
|
{ matchHeaders = [matchContentTypeJson] }
|
|
get "/actors?select=*,films(*)" `shouldRespondWith`
|
|
[json|[ {"id":1,"name":"john","films":[{"id":12,"title":"douze commandements"}]},
|
|
{"id":2,"name":"mary","films":[{"id":2001,"title":"odyssée de l'espace"}]}]|]
|
|
{ matchHeaders = [matchContentTypeJson] }
|
|
it "doesn't work if the junction is only internal" $
|
|
get "/end_1?select=end_2(*)" `shouldRespondWith`
|
|
[json|{
|
|
"hint":"Verify that 'end_1' and 'end_2' exist in the schema 'test' and that there is a foreign key relationship between them. If a new relationship was created, try reloading the schema cache.",
|
|
"message":"Could not find a relationship between 'end_1' and 'end_2' in the schema cache",
|
|
"code":"PGRST200",
|
|
"details": null}|]
|
|
{ matchStatus = 400
|
|
, matchHeaders = [matchContentTypeJson] }
|
|
it "shouldn't try to embed if the private junction has an exposed homonym" $
|
|
-- ensures the "invalid reference to FROM-clause entry for table "rollen" error doesn't happen.
|
|
-- Ref: https://github.com/PostgREST/postgrest/issues/1587#issuecomment-734995669
|
|
get "/schauspieler?select=filme(*)" `shouldRespondWith`
|
|
[json|{
|
|
"hint":"Verify that 'schauspieler' and 'filme' exist in the schema 'test' and that there is a foreign key relationship between them. If a new relationship was created, try reloading the schema cache.",
|
|
"message":"Could not find a relationship between 'schauspieler' and 'filme' in the schema cache",
|
|
"code":"PGRST200",
|
|
"details": null}|]
|
|
{ matchStatus = 400
|
|
, matchHeaders = [matchContentTypeJson] }
|