96 lines
4.1 KiB
EmacsLisp
96 lines
4.1 KiB
EmacsLisp
;;; etaf-sqlite-tests.el --- ETAF SQLite source tests -*- lexical-binding: t; -*-
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(require 'ert)
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(require 'etaf-sqlite)
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(defun etaf-sqlite-test--database (file)
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"Return a small typed test DATABASE at FILE."
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(etaf-sqlite-database
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file
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(etaf-sqlite-table
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'items
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(list
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(etaf-sqlite-column :id "id" :type 'integer :primary t)
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(etaf-sqlite-column :name "name" :type 'text)
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(etaf-sqlite-column :score "score" :type 'integer))
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:id)))
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(cl-defmacro etaf-sqlite-test--with-database ((database) &rest body)
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"Create a temporary DATABASE while evaluating BODY."
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(declare (indent 1))
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`(let* ((directory (make-temp-file "etaf-sqlite-" t))
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(file (expand-file-name "data.sqlite" directory))
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(,database (etaf-sqlite-test--database file)))
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(unwind-protect
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(progn
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(etaf-sqlite-initialize ,database)
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(let ((mutate (plist-get (etaf-sqlite-source ,database) :mutate)))
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(funcall mutate 'insert '(:id 1 :name "Ada" :score 10))
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(funcall mutate 'insert '(:id 2 :name "Grace" :score 20)))
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,@body)
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(when (file-exists-p directory)
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(delete-directory directory t)))))
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(ert-deftest etaf-sqlite-schema-rejects-unsafe-identifiers ()
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"Identifiers are validated before they can reach SQL text."
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(should-error (etaf-sqlite-column :id "id; DROP TABLE items")
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:type 'etaf-sqlite-schema-error)
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(should-error
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(etaf-sqlite-table
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'items (list (etaf-sqlite-column :id "id")) :missing)
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:type 'etaf-sqlite-schema-error))
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(ert-deftest etaf-sqlite-source-loads-and-filters-pages ()
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"The source should implement ETAF Data's load capability."
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(etaf-sqlite-test--with-database (database)
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(let* ((source (etaf-sqlite-source database))
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(result (funcall (plist-get source :load) nil 1 1))
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(filtered (funcall (plist-get source :load)
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'(:name "Grace") 1 10)))
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(should (= (plist-get result :total) 2))
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(should (= (length (plist-get result :items)) 1))
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(should (equal (plist-get (car (plist-get result :items)) :name)
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"Ada"))
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(should (= (plist-get filtered :total) 1)))))
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(ert-deftest etaf-sqlite-source-mutations-are-visible-to-data-controller ()
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"Insert, update, and delete should share the Data source contract."
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(etaf-sqlite-test--with-database (database)
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(let ((controller (etaf-data-controller (etaf-sqlite-source database)
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:page-size 20 :auto-load t)))
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(unwind-protect
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(progn
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(let ((result (etaf-data-mutate
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controller 'insert
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'(:id 3 :name "Alan" :score 30))))
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(should (equal 'insert (plist-get result :operation)))
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(should (= 3 (plist-get result :id)))
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(should (= 1 (plist-get result :changes))))
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(should (= (etaf-value (etaf-data-total controller)) 3))
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(etaf-data-mutate controller 'update
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'(:id 3 :name "Alan Turing" :score 31))
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(should (string= (plist-get
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(car (cl-remove-if-not
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(lambda (row)
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(= (plist-get row :id) 3))
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(etaf-value
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(etaf-data-items controller))))
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:name)
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"Alan Turing"))
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(etaf-data-mutate controller 'delete 3)
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(should (= (etaf-value (etaf-data-total controller)) 2)))
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(etaf-data-stop controller)))))
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(ert-deftest etaf-sqlite-source-declares-provider-identity ()
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"Expose SQLite identity without depending on ETAF observer internals."
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(etaf-sqlite-test--with-database (database)
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(let ((source (etaf-sqlite-source database)))
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(should (eq 'sqlite (plist-get source :provider)))
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(should (functionp (plist-get source :load)))
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(should (functionp (plist-get source :mutate)))
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(should-not (plist-member source :dispose)))))
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(provide 'etaf-sqlite-tests)
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;;; etaf-sqlite-tests.el ends here
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