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| 1 | +(ns practitest-firecracker.query-dsl |
| 2 | + (:require |
| 3 | + [clojure.string :as string] |
| 4 | + [clojure.edn :as edn])) |
| 5 | + |
| 6 | + |
| 7 | +(defn fix-abbreviations [tokens] |
| 8 | + (loop [results [] input tokens] |
| 9 | + (if (empty? input) |
| 10 | + results |
| 11 | + (let [[head & tail] input] |
| 12 | + (if (and (= 1 (count head)) |
| 13 | + (not-empty (last results)) |
| 14 | + (every? #?(:clj #(Character/isUpperCase %) |
| 15 | + :cljs #(.toUpperCase %)) |
| 16 | + (last results))) |
| 17 | + (recur (conj (vec (drop-last results)) |
| 18 | + (str (last results) head)) |
| 19 | + tail) |
| 20 | + (recur (conj results head) tail)))))) |
| 21 | + |
| 22 | +(defn parse-int [s] |
| 23 | + #?(:clj (Integer. (re-find #"\d+" s )) |
| 24 | + :cljs (js/parseInt s 10))) |
| 25 | + |
| 26 | +(defn return-error [error-message query] |
| 27 | + #?(:clj (throw |
| 28 | + (ex-info error-message |
| 29 | + {:query query})) |
| 30 | + :cljs (str error-message query))) |
| 31 | + |
| 32 | +(defn parse-methods [op args query] |
| 33 | + (condp = op |
| 34 | + 'tokenize-package (if (= 1 (count args)) |
| 35 | + (string/split (first args) #"\.") |
| 36 | + (return-error "Syntax error: 'tokenize-package' must have one argument" query)) |
| 37 | + 'tokenize-class-name (if (= 1 (count args)) |
| 38 | + (->> (string/split (first args) #"(?=[A-Z])") |
| 39 | + (map #(string/replace % "_" "")) |
| 40 | + (remove string/blank?) |
| 41 | + fix-abbreviations) |
| 42 | + (return-error "Syntax error: 'tokenize-class-name' must have one argument" query)) |
| 43 | + 'take (if (= 2 (count args)) |
| 44 | + (if (or (string? (last args)) (coll? (last args))) |
| 45 | + (take (parse-int (first args)) (last args)) |
| 46 | + (return-error "Syntax error: 'take' second argument has to be ISeqable (String, Array etc.)" query)) |
| 47 | + (return-error "Syntax error: 'take' must have two arguments" query)) |
| 48 | + 'drop (if (= 2 (count args)) |
| 49 | + (if (or (string? (last args)) (coll? (last args))) |
| 50 | + (drop (parse-int (first args)) (last args)) |
| 51 | + (return-error "Syntax error: 'drop' second argument has to be ISeqable (String, Array etc.)" query)) |
| 52 | + (return-error "Syntax error: 'drop' must have two arguments" query)) |
| 53 | + 'drop-last (if (<= 1 (count args) 2) |
| 54 | + (if (or (string? (last args)) (coll? (last args))) |
| 55 | + (apply drop-last args) |
| 56 | + (return-error "Syntax error: 'drop-last' second argument has to be ISeqable (String, Array etc.)" query)) |
| 57 | + (return-error "Syntax error: 'drop-last' must have one or two arguments" query)) |
| 58 | + 'take-last (case (count args) |
| 59 | + 1 (take-last 1 (first args)) |
| 60 | + 2 (take-last (first args) (second args)) |
| 61 | + (return-error "Syntax error: 'take-last' must have one or two arguments" query)) |
| 62 | + 'concat (apply str args) |
| 63 | + 'capitalize (if (= 1 (count args)) |
| 64 | + (if (or (string? (last args)) (coll? (last args))) |
| 65 | + (map string/capitalize (first args)) |
| 66 | + (return-error "Syntax error: 'capitalize' argument has to be ISeqable (String, Array etc.)" query)) |
| 67 | + (return-error "Syntax error: 'capitalize' must have one argument" query)) |
| 68 | + 'join (if (= 1 (count args)) |
| 69 | + (if (or (string? (last args)) (coll? (last args))) |
| 70 | + (string/join (first args)) |
| 71 | + (return-error "Syntax error: 'join' argument has to be ISeqable (String, Array etc.)" query)) |
| 72 | + (return-error "Syntax error: 'join' must have one argument" query)) |
| 73 | + 'split (if (= 2 (count args)) |
| 74 | + (let [quoted #?(:clj (string/escape (first args) char-escape-string) |
| 75 | + :cljs (first args)) |
| 76 | + complied #?(:clj (java.util.regex.Pattern/compile quoted) |
| 77 | + :cljs (js/RegExp. quoted))] |
| 78 | + (string/split (second args) complied)) |
| 79 | + (return-error "Syntax error: 'split' must have two arguments" query)) |
| 80 | + 'get (if (= 2 (count args)) |
| 81 | + (first (take 1 (drop (- (parse-int (first args)) 1) (last args)))) |
| 82 | + (return-error "Syntax error: 'get' must have two arguments" query)) |
| 83 | + 'trim (if (= 1 (count args)) |
| 84 | + (if (string? (first args)) |
| 85 | + (string/trim (first args)) |
| 86 | + (return-error "Syntax error: 'trim' should be applied on a string" query)) |
| 87 | + (return-error "Syntax error: 'trim' must have only one argument" query)) |
| 88 | + (return-error #?(:clj (format "Syntax error: unsupported function '%s'" op) |
| 89 | + :cljs (str "Syntax error: unsupported function: " op)) query))) |
| 90 | + |
| 91 | +(defn eval-query [entity-hash query] |
| 92 | + (if (map? query) |
| 93 | + (let [{:keys [op args]} query |
| 94 | + args (map (partial eval-query entity-hash) args)] |
| 95 | + (parse-methods op args query)) |
| 96 | + #?(:cljs (cond |
| 97 | + (= '?field query) entity-hash |
| 98 | + (string/starts-with? (str query) "?") (throw |
| 99 | + (ex-info (str "Syntax error: unsupported variable " query) |
| 100 | + {:query query})) |
| 101 | + (number? query) query |
| 102 | + :else (str query)) |
| 103 | + :clj (let [key (keyword (string/join (drop 1 (str query))))] |
| 104 | + (cond |
| 105 | + (or (= :test-suite-name key) |
| 106 | + (= :test-case-name key)) (:name entity-hash) |
| 107 | + (and (not (= entity-hash nil)) |
| 108 | + (contains? entity-hash key)) (key entity-hash) |
| 109 | + (string/starts-with? (str query) "?") (str "") |
| 110 | + :else (str query)))))) |
| 111 | + |
| 112 | +(defn read-query [s] |
| 113 | + (let [query (edn/read-string s) |
| 114 | + compiler (fn compile-query [query] |
| 115 | + (if (list? query) |
| 116 | + (let [[op & args] query] |
| 117 | + {:op (compile-query op) |
| 118 | + :args (vec (map compile-query args))}) |
| 119 | + query))] |
| 120 | + #?(:cljs (if (and (not (number? query)) (not (string? query))) |
| 121 | + (with-meta (compiler query) |
| 122 | + {:query true}) |
| 123 | + (compiler query)) |
| 124 | + :clj (if (not (or (= java.lang.Long (type query)) |
| 125 | + (= java.lang.Double (type query)) |
| 126 | + (and (= java.lang.String (type query))))) |
| 127 | + (with-meta (compiler query) |
| 128 | + {:query true}) |
| 129 | + (compiler query))))) |
| 130 | + |
| 131 | +(defn try-read-query [s] |
| 132 | + #?(:cljs |
| 133 | + (try |
| 134 | + (read-query s) |
| 135 | + (catch js/Error e (str "caught exception: " e)) |
| 136 | + (catch js/Object e |
| 137 | + (str "Error: " e))))) |
| 138 | + |
| 139 | +(defn query? [obj] |
| 140 | + (boolean (:query (meta obj)))) |
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