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monger.errors => monger.result, extend MongoCommandResult protocol with has-error?

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This commit is contained in:
Michael S. Klishin 2011-09-01 22:16:29 +04:00
parent 7f2e3bc46e
commit 8fdfe32ccb
3 changed files with 45 additions and 28 deletions
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19
src/monger/errors.clj → src/monger/result.clj
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@ -7,8 +7,8 @@
;; the terms of this license.
;; You must not remove this notice, or any other, from this software.
(ns monger.errors
(:import (com.mongodb DBObject WriteResult)
(ns monger.result
(:import (com.mongodb DBObject BasicDBObject WriteResult CommandResult)
(clojure.lang IPersistentMap))
(:require [monger convertion]))
@ -18,16 +18,25 @@
;;
(defprotocol MongoCommandResult
(ok? [input] "Returns true if command result is a success"))
(ok? [input] "Returns true if command result is a success")
(has-error? [input] "Returns true if command result indicates an error")
(updated-existing? [input] "Returns true if command result has `updatedExisting` field set to true"))
(extend-protocol MongoCommandResult
DBObject
(ok?
[^DBObject result]
(.contains [true "true" 1 1.0] (.get result "ok")))
(has-error?
[^DBObject result]
;; yes, this is exactly the logic MongoDB Java driver uses.
(> (count (str (.get result "err"))) 0))
WriteResult
(ok?
[^WriteResult result]
(ok? (.getLastError result))))
(and (not (nil? result)) (ok? (.getLastError result))))
(has-error?
[^WriteResult result]
(has-error? (.getLastError result))))

23
test/monger/test/errors.clj
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@ -1,23 +0,0 @@
(ns monger.test.errors
(:import (com.mongodb BasicDBObject WriteResult WriteConcern))
(:require [monger core collection convertion])
(:use [clojure.test]))
;;
;; MongoCommandResult
;;
(deftest test-ok?
(let [result-that-is-not-ok-1 (doto (BasicDBObject.) (.put "ok" 0))
result-that-is-not-ok-2 (doto (BasicDBObject.) (.put "ok" "false"))
result-that-is-ok-1 (doto (BasicDBObject.) (.put "ok" 1))
result-that-is-ok-2 (doto (BasicDBObject.) (.put "ok" "true"))
result-that-is-ok-3 (doto (BasicDBObject.) (.put "ok" 1.0))]
(is (not (monger.errors/ok? result-that-is-not-ok-1)))
(is (not (monger.errors/ok? result-that-is-not-ok-2)))
(is (monger.errors/ok? result-that-is-ok-1))
(is (monger.errors/ok? result-that-is-ok-2))
(is (monger.errors/ok? result-that-is-ok-3))))

31
test/monger/test/result.clj Normal file
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@ -0,0 +1,31 @@
(ns monger.test.result
(:import (com.mongodb BasicDBObject WriteResult WriteConcern))
(:require [monger core collection convertion])
(:use [clojure.test]))
;;
;; MongoCommandResult
;;
(deftest test-ok?
(let [result-that-is-not-ok-1 (doto (BasicDBObject.) (.put "ok" 0))
result-that-is-not-ok-2 (doto (BasicDBObject.) (.put "ok" "false"))
result-that-is-ok-1 (doto (BasicDBObject.) (.put "ok" 1))
result-that-is-ok-2 (doto (BasicDBObject.) (.put "ok" "true"))
result-that-is-ok-3 (doto (BasicDBObject.) (.put "ok" 1.0))]
(is (not (monger.result/ok? result-that-is-not-ok-1)))
(is (not (monger.result/ok? result-that-is-not-ok-2)))
(is (monger.result/ok? result-that-is-ok-1))
(is (monger.result/ok? result-that-is-ok-2))
(is (monger.result/ok? result-that-is-ok-3))))
(deftest test-has-error?
(let [result-that-has-no-error1 (doto (BasicDBObject.) (.put "ok" 0))
result-that-has-no-error2 (doto (BasicDBObject.) (.put "err" ""))
result-that-has-error1 (doto (BasicDBObject.) (.put "err" (BasicDBObject.)))]
(is (not (monger.result/has-error? result-that-has-no-error1)))
(is (not (monger.result/has-error? result-that-has-no-error2)))
(is (monger.result/has-error? result-that-has-error1))))