/
core_test.clj
222 lines (175 loc) · 8.01 KB
/
core_test.clj
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
(ns seaquell.core-test
(:refer-clojure :exclude [update])
(:use midje.sweet
seaquell.core))
(fact (select :fld) => {:sql-stmt :select :fields -fs-}
(provided (fields* [] [:fld]) => -fs-))
(fact (select [-f1- -f2- -f3-]) => {:sql-stmt :select :fields -fs-}
(provided (fields* [] [-f1- -f2- -f3-]) => -fs-))
(fact (as -alias-) => {:as -alias-})
(facts
(field -f-) => {:field -f-}
(field -f- -as-) => {:field -f- :as -as-}
(field -f- :as -as-) => {:field -f- :as -as-}
(field -f- :bad-as -as-) => (throws AssertionError))
(facts
(fields) => {:fields []}
(fields -f-) => {:fields [-f-]}
(fields -f1- :field2 :as :f2) => {:fields [-f1- {:field :field2 :as :f2}]}
(fields -f1- :field2 (as :f2)) => {:fields [-f1- {:field :field2 :as :f2}]}
(fields -f1- (field :field2) (as :f2)) => {:fields [-f1- {:field :field2 :as :f2}]}
(fields -f1- (field :field2 :as :old-f2) (as :f2) -f3-) =>
{:fields [-f1- {:field :field2 :as :f2} -f3-]})
(fact "to-sql throws for unsupported statements"
(to-sql nil) => (throws RuntimeException))
(fact "select does not require a FROM clause"
(to-sql (select [[* 7 6]])) => "SELECT 7 * 6;")
(def q (select :* (from :user)))
(fact (to-sql q) => "SELECT * FROM user;")
(fact (to-sql (select [:id :passwd] (from :user))) =>
"SELECT id, passwd FROM user;")
(facts "seaquell supports ALL and DISTINCT modifiers"
(fact (to-sql (select q (modifier :all))) =>
"SELECT ALL * FROM user;")
(fact (to-sql (select q (all))) =>
"SELECT ALL * FROM user;")
(fact (to-sql (select-all :* (from :user))) =>
"SELECT ALL * FROM user;")
(fact (to-sql (select q (modifier :distinct))) =>
"SELECT DISTINCT * FROM user;")
(fact (to-sql (select q (distinkt))) =>
"SELECT DISTINCT * FROM user;")
(fact (to-sql (select-distinct :* (from :user))) =>
"SELECT DISTINCT * FROM user;"))
(facts "seaquell supports LIMIT and OFFSET clauses"
(fact (to-sql (select q (limit 3))) =>
"SELECT * FROM user LIMIT 3;")
(fact (to-sql (select q (offset 4))) =>
"SELECT * FROM user OFFSET 4;"))
(facts "seaquell supports ORDER BY clause"
(fact (to-sql (select q (order-by :id))) =>
"SELECT * FROM user ORDER BY id;")
(fact (to-sql (select q (order-by :id :passwd))) =>
"SELECT * FROM user ORDER BY id, passwd;")
(fact (to-sql (select q (order-by (asc :age :weight) :id :passwd
(desc :height)))) =>
"SELECT * FROM user ORDER BY age ASC, weight ASC, id, passwd, height DESC;"))
(fact "seaquell supports primitive WHERE clause"
(to-sql (select q (where [> :id 3]))) =>
"SELECT * FROM user WHERE id > 3;")
(fact "select handles group clause"
(-> (select q (group :this :that)) (:group)) => [:this :that])
(fact "select handles having clause"
(-> (select q (having :expr)) (:having)) => :expr)
(facts "seaquell honors proper order of clauses"
(fact "LIMIT precedes OFFSET even if they're reversed in (select)"
(to-sql (select q (offset 4) (limit 3))) =>
"SELECT * FROM user LIMIT 3 OFFSET 4;")
(fact "ORDER BY precedes LIMIT even if reversed in (select)"
(to-sql (select q (limit 3) (order-by :id))) =>
"SELECT * FROM user ORDER BY id LIMIT 3;"))
(fact "to-sql generates GROUP BY clause"
(to-sql {:sql-stmt :select
:fields [{:field :*}]
:from :user
:group [:make :model]}) =>
"SELECT * FROM user GROUP BY make, model;")
(fact "to-sql generates HAVING clause"
(to-sql {:sql-stmt :select
:fields [{:field :visits}]
:from :user
:group [:visits]
:having [> :visits 1]
}) =>
"SELECT visits FROM user GROUP BY visits HAVING visits > 1;")
(fact "Passing a statement as first arg of select lets you add clauses to it"
(-> (select q (where [> :num 3])) (to-sql)) =>
"SELECT * FROM user WHERE num > 3;")
;;; INSERT statements
(facts
(value -c1- -c2-) => {:values [[-c1- -c2-]]}
(values -q-) => {:values -q-} (provided (sequential? -q-) => false)
(values :default) => {:values :default}
(values -r1-) => {:values [-r1-]} (provided (sequential? -r1-) => true)
(values -r1- -r2-) => {:values [-r1- -r2-]})
(facts
(let [q (select :* (from :t))
stmt {:sql-stmt :insert, :op :insert, :source -tbl-}]
(insert -tbl- (default-values)) =>
(merge stmt {:columns nil, :values :default})
(insert -tbl- (defaults)) =>
(merge stmt {:columns nil, :values :default})
(insert -tbl- (values :default)) =>
(merge stmt {:values :default})
(insert -tbl- (values q)) =>
(merge stmt {:values q})
(insert -tbl- (value -v1- -v2-)) =>
(merge stmt {:values [[-v1- -v2-]]})
(insert -tbl- (values [-a1- -a2-] [-b1- -b2-])) =>
(merge stmt {:values [[-a1- -a2-] [-b1- -b2-]]})
(insert -tbl- (columns -c1- -c2-) (values [-a1- -a2-] [-b1- -b2-])) =>
(merge stmt {:columns [-c1- -c2-] :values [[-a1- -a2-] [-b1- -b2-]]}))
(let [stmt {:sql-stmt :insert, :op :insert, :source -tbl-,
:columns nil, :values :default}]
(replace-into -tbl- (defaults)) => (merge stmt {:op :replace})
(insert-or-rollback -tbl- (defaults)) => (merge stmt {:op :insert-or-rollback})
(insert-or-abort -tbl- (defaults)) => (merge stmt {:op :insert-or-abort})
(insert-or-replace -tbl- (defaults)) => (merge stmt {:op :insert-or-replace})
(insert-or-fail -tbl- (defaults)) => (merge stmt {:op :insert-or-fail})
(insert-or-ignore -tbl- (defaults)) => (merge stmt {:op :insert-or-ignore})))
;;; UPDATE statements
(facts
(let [stmt {:sql-stmt :update :op :update :source -tbl-}]
(update -tbl- (set-cols :-c1- :-v1-)) =>
(merge stmt {:set-cols {:-c1- :-v1-}})
(update -tbl- (set-columns :-c1- :-v1-)) =>
(merge stmt {:set-cols {:-c1- :-v1-}})
(update -tbl- (not-indexed) (set-cols :-c1- :-v1-)) =>
(merge stmt {:indexed-by nil, :set-cols {:-c1- :-v1-}})
(update -tbl- (indexed-by -ix-) (set-cols :-c1- :-v1-) (where -expr-)
(order-by -ord-) (limit -lim-) (offset -off-)) =>
(merge stmt
{:indexed-by -ix-
:set-cols {:-c1- :-v1-}
:where -expr-
:order-by [-ord-]
:limit -lim-
:offset -off-})))
;;; DELETE statements
(fact (delete -tbl-) => {:sql-stmt :delete, :source -tbl-})
(fact (delete -tbl- (as -as-)) => {:sql-stmt :delete, :source -tbl-, :as -as-})
(fact (delete -tbl- (as -as-) (indexed-by -ix-)) =>
{:sql-stmt :delete, :source -tbl-, :as -as- :indexed-by -ix-})
(fact (delete -tbl- (as -as-) (not-indexed)) =>
{:sql-stmt :delete, :source -tbl-, :as -as- :indexed-by nil})
(fact (delete -tbl- (as -as-) (indexed-by -ix-) (where -where-)
(order-by -ord-) (limit -lim-) (offset -off-)) =>
{:sql-stmt :delete
:source -tbl-
:as -as-
:indexed-by -ix-
:where -where-
:order-by [-ord-]
:limit -lim-
:offset -off-})
;;; Clauses
(fact (from -x-) => {:from [-x-]})
(fact (from -x- :y -z-) => {:from [-x- :y -z-]})
(fact (from [-seq-] :rest) => {:from [{:source [-seq-]} :rest]})
(fact (from -x- :as -as-) => {:from [{:source -x- :as -as-}]})
(fact (from -x- (as -as-)) => {:from [{:source -x- :as -as-}]})
(fact (from -x- (as -as-) -rest-) => {:from [{:source -x- :as -as-} -rest-]})
(fact (join -src- (as -a-) (on -expr-)) => {:source -src- :op :join :as -a- :on -expr-})
(fact (mk-join-fns :fancy) =expands-to=>
(do (clojure.core/defn fancy-join [src & body]
(diesel.core/mk-map* {:source src :op :fancy-join} body))))
(fact (src -src-) => {:source -src-})
(fact (src -src- (as -as-)) => {:source -src- :as -as-})
(fact (comma-join -src-) => {:source -src- :op ","})
(fact (comma-join -src- (as -as-)) => {:source -src- :op "," :as -as-})
(fact (using -pk-) => {:using [-pk-]})
(fact (using -pk- -pk2-) => {:using [-pk- -pk2-]})
(fact (interval -i- -u-) => {:interval -i- :units -u-})
(fact (raw -raw-) {:raw -raw-})
(fact (limit -lim-) => {:limit -lim-})
(fact (limit -off- -lim-) => {:limit -lim- :offset -off-})