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as-modified-maps (clj)
(source)function
(as-modified-maps rs opts)
Given a `ResultSet` and options, return a `RowBuilder` / `ResultSetBuilder`
that produces bare vectors of hash map rows, with modified keys and nil
columns omitted.
Requires both the `:qualifier-fn` and `:label-fn` options.
Examples
next-jdbc
(ns next.jdbc.optional-test
"Test namespace for the optional builder functions."
(:require [clojure.string :as str]
[clojure.test :refer [deftest is testing use-fixtures]]
[next.jdbc.optional :as opt]
[next.jdbc.protocols :as p]
[next.jdbc.test-fixtures :refer [with-test-db ds column
default-options]])
(:import (java.sql ResultSet ResultSetMetaData)))
(deftest test-map-row-builder
(testing "default row builder"
(let [row (p/-execute-one (ds)
["select * from fruit where id = ?" 1]
(assoc (default-options)
:builder-fn opt/as-maps))]
(is (map? row))
(is (not (contains? row (column :FRUIT/GRADE))))
(is (= 1 ((column :FRUIT/ID) row)))
(is (= "Apple" ((column :FRUIT/NAME) row)))))
(testing "unqualified row builder"
(let [row (p/-execute-one (ds)
["select * from fruit where id = ?" 2]
{:builder-fn opt/as-unqualified-maps})]
(is (map? row))
(is (not (contains? row (column :COST))))
(is (= 2 ((column :ID) row)))
(is (= "Banana" ((column :NAME) row)))))
(testing "lower-case row builder"
(let [row (p/-execute-one (ds)
["select * from fruit where id = ?" 3]
(assoc (default-options)
:builder-fn opt/as-lower-maps))]
(is (map? row))
(is (not (contains? row :fruit/appearance)))
(is (= 3 (:fruit/id row)))
(is (= "Peach" (:fruit/name row)))))
(testing "unqualified lower-case row builder"
(let [row (p/-execute-one (ds)
["select * from fruit where id = ?" 4]
{:builder-fn opt/as-unqualified-lower-maps})]
(is (map? row))
(is (= 4 (:id row)))
(is (= "Orange" (:name row)))))
(testing "custom row builder"
(let [row (p/-execute-one (ds)
["select * from fruit where id = ?" 3]
(assoc (default-options)
:builder-fn opt/as-modified-maps
:label-fn str/lower-case
:qualifier-fn identity))]
(is (map? row))
(is (not (contains? row (column :FRUIT/appearance))))
(is (= 3 ((column :FRUIT/id) row)))
(is (= "Peach" ((column :FRUIT/name) row))))))
(deftest test-map-row-adapter
(testing "default row builder"
(let [row (p/-execute-one (ds)
["select * from fruit where id = ?" 1]
(assoc (default-options)
:builder-fn (opt/as-maps-adapter
opt/as-maps
default-column-reader)))]
(is (map? row))
(is (not (contains? row (column :FRUIT/GRADE))))
(is (= 1 ((column :FRUIT/ID) row)))
(is (= "Apple" ((column :FRUIT/NAME) row)))))
(testing "unqualified row builder"
(let [row (p/-execute-one (ds)
["select * from fruit where id = ?" 2]
{:builder-fn (opt/as-maps-adapter
opt/as-unqualified-maps
default-column-reader)})]
(is (map? row))
(is (not (contains? row (column :COST))))
(is (= 2 ((column :ID) row)))
(is (= "Banana" ((column :NAME) row)))))
(testing "lower-case row builder"
(let [row (p/-execute-one (ds)
["select * from fruit where id = ?" 3]
(assoc (default-options)
:builder-fn (opt/as-maps-adapter
opt/as-lower-maps
default-column-reader)))]
(is (map? row))
(is (not (contains? row :fruit/appearance)))
(is (= 3 (:fruit/id row)))
(is (= "Peach" (:fruit/name row)))))
(testing "unqualified lower-case row builder"
(let [row (p/-execute-one (ds)
["select * from fruit where id = ?" 4]
{:builder-fn (opt/as-maps-adapter
opt/as-unqualified-lower-maps
default-column-reader)})]
(is (map? row))
(is (= 4 (:id row)))
(is (= "Orange" (:name row)))))
(testing "custom row builder"
(let [row (p/-execute-one (ds)
["select * from fruit where id = ?" 3]
(assoc (default-options)
:builder-fn (opt/as-maps-adapter
opt/as-modified-maps
default-column-reader)
:label-fn str/lower-case
:qualifier-fn identity))]
(is (map? row))
(is (not (contains? row (column :FRUIT/appearance))))
(is (= 3 ((column :FRUIT/id) row)))
(is (= "Peach" ((column :FRUIT/name) row))))))