/
rjsx-tests.el
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rjsx-tests.el
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;;; rjsx-tests.el --- Tests for rjsx-mode. -*- lexical-binding: t -*-
;; Copyright (C) 2016 Felipe Ochoa
;;;; Commentary:
;;
;;;; Code:
(load-file "./js2-tests.el")
(require 'rjsx-mode)
(require 'cl-lib)
(require 'ert)
(require 'ert-x)
(defun js2-mode--and-parse () ;; No point in advising, so we just overwrite this internal function
(rjsx-mode)
(js2-reparse))
(js2-deftest-parse no-attr-no-children-self-closing
"<div/>;")
(js2-deftest-parse no-attr-no-children-self-closing
"<div></div>;")
(js2-deftest-parse empty-attr-no-children
"<div attr></div>;")
(js2-deftest-parse no-children-self-closing
"<div a=\"1\" b={123} {...this.props}/>;")
(js2-deftest-parse no-attr-xml-child
"<div><span/></div>;")
(js2-deftest-parse no-attr-text-child
"<div>Hello world</div>;")
(js2-deftest-parse no-attr-expr-child
"let coolVar = false;\n<div>{coolVar ? 'abc' : 'xyz'}</div>;")
(js2-deftest-parse ultra-nested
"let fall = window.prompt('Fall?');\n<div a={<span>{fall ? <b>Fell</b> : <img src=\"s\"/>}</span>}></div>;")
(js2-deftest-parse hidden-behind-and
"let cond = true;\n<div>{cond && <span/>}</div>;")
(js2-deftest-parse ns-tag
"<xml:a/>;")
(js2-deftest-parse ns-tag-with-dashes
"<xml-lmx-m:a-b-c/>;")
(js2-deftest-parse ns-tag-with-dashes-at-end
"<xml-lmx-:a-b-/>;")
(js2-deftest-parse ns-attr
"<xml:a lmx:attr=\"1\"/>;")
(js2-deftest-parse ns-attr-with-dashes-at-end
"<xml:a lmx:attr-=\"1\"/>;")
(js2-deftest-parse ns-attr-with-dashes-at-end-of-ns
"<xml:a lmx-:attr=\"1\"/>;")
(js2-deftest-parse fragment
"<><span id='1'/><span id='2'></span></>;")
(js2-deftest-parse member-tag
"<Module.Component/>;"
:bind (js2-highlight-external-variables))
(js2-deftest-parse member-tag-many
"<Module.Component.Sub1.Sub2/>;"
:bind (js2-highlight-external-variables))
(js2-deftest-parse empty-attr-self-closing
"<Component required/>;"
:bind (js2-highlight-external-variables))
(js2-deftest-parse empty-attr-at-end
"<Component required>Hi</Component>;"
:bind (js2-highlight-external-variables))
(js2-deftest-parse empty-attr-in-middle
"<Component required otherAttr=\"123\"/>;"
:bind (js2-highlight-external-variables))
(js2-deftest-parse complex
"<form onSubmit={this.handleSubmit} className={className}>
<input type=\"text\"
onChange={this.getChangeHandler(\"name\")}
placeholder=\"Project name\"
className={errors.name ? \"invalid\" : \"\"}
ref={c => this._topInput = c}/>
{errors.name && <span className=\"error\">{errors.name}</span>}
{ } Empty is OK as child, but warning is issued
<Undeclared value={123}/>
{/* Node with comment gets no warning */}
hello <div { } /> This should be a spread, so error
<div empty={} /> Empty attributes are not allowed
{React.Children.count(this.props.children) === 1
? <OnlyChild {...this.props}>{this.props.children}</OnlyChild>
: React.Children.map(this.props.children, (child, index) => (
<li key={index} undefinedProp={notDefined}>
{index === 0 && <span className=\"first\"/>}
{React.cloneElement(child, {toolTip: <Tooltip index={index} />})}
</li>
))
}
</form>"
:errors-count 2
:warnings-count 2
:syntax-error "{ }")
(js2-deftest-parse empty-child
"<div>{}</div>;"
:warnings-count 1)
(js2-deftest-parse empty-child-with-comment
"<div>{/* this is a comment */}</div>;"
:warnings-count 0
:reference "<div>{}</div>;")
(js2-deftest-parse jsx-no-side-effects
"function abc() {\n <div/>;\n}"
:warnings-count 1)
(js2-deftest-parse undeclared-component
"const C = function() { return <Component abc={123}/>;\n};"
:warnings-count 1)
(js2-deftest-parse undeclared-component-lowercase-ok
"const C = function() { return <component abc={123}/>;\n};"
:warnings-count 0)
(ert-deftest rjsx-syntax-table-in-text ()
"Ensure JSX text sequences use the default syntax table."
(ert-with-test-buffer (:name 'rjsx)
(insert "const d = <div>{/* this is a comment */}This is")
(save-excursion (insert "' text{ anExpression }</div>;"))
(setq parse-sexp-lookup-properties t)
(js2-mode--and-parse)
(should (eq (syntax-class (syntax-after (point))) (syntax-class (string-to-syntax "."))))))
(defun rjsx-serialize-ast ()
"Return a streamlined ast representation."
(let ((stack '(())))
(js2-visit-ast
js2-mode-ast
(lambda (node end-p)
(if end-p
(push (nreverse (pop stack)) (car stack))
(push (list (js2-node-len node)
(js2-node-pos node)
(js2-node-short-name node))
stack))))
(caar stack)))
(ert-deftest rjsx-jsx-tag-names-ast ()
"Regression test for #54. Ensure the ast is properly built."
(ert-with-test-buffer (:name 'rjsx)
(insert "import Comp from 'abc';\n\nconst c = () => (\n <Comp>Child</Comp>\n);")
(js2-mode--and-parse)
(should (equal (rjsx-serialize-ast)
'("js2-ast-root" 1 66
("js2-import-node" 0 23
("js2-import-clause-node" 0 11
("js2-export-binding-node" 7 4
("js2-name-node" 0 4)))
("js2-from-clause-node" 12 10))
("js2-expr-stmt-node" 25 41
("js2-var-decl-node" 0 40
("js2-var-init-node" 6 34
("js2-name-node" 0 1)
("js2-function-node" 4 30
("js2-paren-node" 6 24
("rjsx-node" 4 18
("rjsx-member" 1 4
("rjsx-identifier" 0 4
("js2-name-node" 0 4)))
("rjsx-text" 6 5)
("rjsx-closing-tag" 11 7
("rjsx-member" 2 4
("rjsx-identifier" 0 4
("js2-name-node" 0 4)))))))))))))))
(ert-deftest rjsx-jsx-self-closing-tag-names-ast ()
"Regression test for #54. Ensure the ast is properly built."
(ert-with-test-buffer (:name 'rjsx)
(insert "import Component from 'abc';\n\nconst c = () => (\n <Component/>\n);")
(js2-mode--and-parse)
(should (equal (rjsx-serialize-ast)
'("js2-ast-root" 1 65
("js2-import-node" 0 28
("js2-import-clause-node" 0 16
("js2-export-binding-node" 7 9
("js2-name-node" 0 9)))
("js2-from-clause-node" 17 10))
("js2-expr-stmt-node" 30 35
("js2-var-decl-node" 0 34
("js2-var-init-node" 6 28
("js2-name-node" 0 1)
("js2-function-node" 4 24
("js2-paren-node" 6 18
("rjsx-node" 4 12
("rjsx-member" 1 9
("rjsx-identifier" 0 9
("js2-name-node" 0 9))))))))))))))
(ert-deftest rjsx-jsx-attr-pos-ast ()
"Regression test for #54. Ensure the ast is properly built."
(ert-with-test-buffer (:name 'rjsx)
(insert "import Comp from 'abc';\n\nconst c = () => (\n <Comp a=\"b\" {...{}}>Child</Comp>\n);")
(js2-mode--and-parse)
(should (equal (rjsx-serialize-ast)
'("js2-ast-root" 1 80
("js2-import-node" 0 23
("js2-import-clause-node" 0 11
("js2-export-binding-node" 7 4
("js2-name-node" 0 4)))
("js2-from-clause-node" 12 10))
("js2-expr-stmt-node" 25 55
("js2-var-decl-node" 0 54
("js2-var-init-node" 6 48
("js2-name-node" 0 1)
("js2-function-node" 4 44
("js2-paren-node" 6 38
("rjsx-node" 4 32
("rjsx-member" 1 4
("rjsx-identifier" 0 4
("js2-name-node" 0 4)))
("rjsx-attr" 6 5
("rjsx-identifier" 0 1
("js2-name-node" 0 1))
("js2-string-node" 2 3))
("rjsx-spread" 12 7
("js2-object-node" 4 2))
("rjsx-text" 20 5)
("rjsx-closing-tag" 25 7
("rjsx-member" 2 4
("rjsx-identifier" 0 4
("js2-name-node" 0 4)))))))))))))))
;;; Now we test all of the malformed bits:
(defun jsx-test--forms (forms)
"Test the parsing of FORMS.
FORMS must be a list of (CODE-STRING SYNTAX-ERROR &optional ERRORS-COUNT)
forms, where the values are as in `js2-parse-string'."
(ert-with-test-buffer (:name 'origin)
(dolist (form forms)
(cl-destructuring-bind (code-string syntax-error &optional (errors-count 1)) form
(erase-buffer)
(let* ((ast (js2-test-string-to-ast code-string))
(errors (js2-ast-root-errors ast)))
(should (= errors-count (length errors)))
(cl-destructuring-bind (_ pos len) (car (last errors))
(should (string= syntax-error (substring code-string
(1- pos) (+ pos len -1))))))
(message (format "Completed test for: %s" code-string))))))
(cl-defmacro jsx-deftest (name &rest forms)
"Define a new test for compactly checking multiple strings' parsing.
The test is named rjsx-NAME. FORMS is a list of (CODE-STRING
SYNTAX-ERROR ERRORS-COUNT) forms, where the values are as in
`js2-parse-string'. `:expect-fail' can be inserted anywhere between
between the forms to split the test into two: forms before the marker
are expected to pass and forms after the marker are expected to fail.
Currently only forms with syntax errors are supported.
\(fn NAME PASS-FORMS... [:expect-fail FAIL-FORMS...])"
(declare (indent defun))
(let (fail-forms pass-forms found-marker)
(dolist (form forms)
(if (eq :expect-fail form)
(if found-marker
(error "Received multiple :expect-fail markers")
(setq found-marker t))
(if found-marker
(push form fail-forms)
(push form pass-forms))))
(setq fail-forms (nreverse fail-forms)
pass-forms (nreverse pass-forms))
(let* ((i 0)
(tests (nconc
(and pass-forms
(list `(ert-deftest ,(intern (format "rjsx-%s" name)) ()
(jsx-test--forms ',pass-forms))))
(mapcar
(lambda (form)
`(ert-deftest ,(intern (format "rjsx-%s-expected-fail-%d" name (cl-incf i))) ()
:expected-result :failed
(jsx-test--forms '(,form))))
fail-forms))))
(cl-case (length tests)
(0 (error "Did not specify any forms"))
(1 (car tests))
(t `(progn ,@tests))))))
(defvar rjsx--find-test-regexp
(concat "^\\s-*(rjsx-deftest"
find-function-space-re
"%s\\(\\s-\\|$\\)")
"The regexp the `find-function' mechanisms use for finding RJSX test definitions.")
(push '(rjsx-deftest . rjsx--find-test-regexp) find-function-regexp-alist)
(defun rjsx-find-test-advice (orig-fn test-name)
"Advice for `ert-find-test-other-window' (ORIG-FN) to find TEST-NAME."
(interactive (list (ert-read-test-name-at-point "Find test definition: ")))
(if (string-match "^rjsx-\\([a-z-]+?\\)\\(-expected-fail\\)?$" (symbol-name test-name))
(let* ((file (symbol-file test-name 'ert-deftest))
(buffer-point (find-definition-noselect (intern (match-string 1 (symbol-name test-name)))
'rjsx-deftest
file))
(switch-fn 'switch-to-buffer-other-window)
;; The rest of this let-form was copy-pasted from
;; `find-funciton-do-it' to be able to override the
;; buffer-finding bit
(orig-point (point))
(orig-buffers (buffer-list))
;(buffer-point (save-excursion (find-definition-noselect symbol type)))
(new-buf (car buffer-point))
(new-point (cdr buffer-point)))
(when buffer-point
(when (memq new-buf orig-buffers)
(push-mark orig-point))
(funcall switch-fn new-buf)
(when new-point (goto-char new-point))
(recenter find-function-recenter-line)
(run-hooks 'find-function-after-hook)))
(funcall orig-fn test-name)))
(advice-add 'ert-find-test-other-window :around #'rjsx-find-test-advice)
;; Tag problems
(jsx-deftest mismatched-tags
("<div></vid>" "</vid>")
("<div-></vid->" "</vid->")
("<div-></div>" "</div>")
("<div-name></divname>" "</divname>")
("<ns:div></div>" "</div>")
("<ns-:div></ns:div>" "</ns:div>")
("<ns-a:div></nsa:div>" "</nsa:div>")
("<ns-a:div-></ns-a:div>" "</ns-a:div>"))
(js2-deftest-parse invalid-tag-member-and-ns-self-closing
"<xml:Component.Child/>"
:syntax-error ".") ;; TODO: report the error over the entire tag
(js2-deftest-parse invalid-ns-tag-with-double-dashes
"<xml-lmx--m:a-b-c/>;"
:syntax-error "--") ;; TODO: report the error over the entire tag
(js2-deftest-parse invalid-tag-whitespace-before-dash
"<div -attr/>"
:syntax-error "-")
(js2-deftest-parse missing-closing-lt-self-closing
"<div/"
:syntax-error "<div/")
(js2-deftest-parse invalid-tag-name
"<123 />"
:errors-count 2
:syntax-error "123")
(js2-deftest-parse invalid-tag-name-only-ns
"<abc: />"
:syntax-error "abc:")
(js2-deftest-parse invalid-attr-name-only-ns
"<xyz abc:={1} />"
:syntax-error "abc:")
;; Make sure we don't hang with unclosed tags
(js2-deftest-parse falls-off-a-cliff-but-doesnt-hang
"const Component = ({prop}) => <span>;\n\nexport default Component;"
:syntax-error "<span>;\n\nexport default Component;")
(js2-deftest-parse falls-off-a-cliff-but-doesnt-hang-even-with-braces
"const Component = ({prop}) => <span>;\n\nexport { Component };"
:syntax-error "<span>;\n\nexport { Component };")
(js2-deftest-parse falls-off-a-cliff-but-doesnt-hang-even-with-other-jsx
"const Component = ({prop}) => <span>;\nconst C2 = () => <span></span>\n\n"
:errors-count 2 ; 1 from the stray > in the arrow function and 1 from the missing closer
:syntax-error ";\nconst C2 = () =>")
(js2-deftest-parse falls-off-a-cliff-in-recursive-parse
"const Component = ({prop}) => <div>{pred && <span>};\n\nexport { Component }"
:errors-count 2
:syntax-error "}")
(jsx-deftest empty-tag-encounter-survived
("</>" "<")
("<div></></div>" "<")
("<div>{a && </>}</div>" "<"))
;; Malformed attributes have a number of permutations:
;;
;; A/ Missing value, missing right curly, bad expression
;; B/ Before another attribute (spread vs expr vs string) or
;; at the end of the tag (self-closing or not)
;; C/ No dashes in its name, ends in a dash, dashes but not at the end
;; D/ With a namespaced name or not
;;
;; Combinatorial explosion! 3 * 5 * 3 * 2 = 90!
;; Here are all the missing values sign tests:
(jsx-deftest attr-missing-value-no-dashes
("<div attr= attr2={123}/>" "attr=")
("<div attr= attr2=\"123\"/>" "attr=")
("<div attr=/>" "attr=")
:expect-fail
("<div attr= {...attr2}/>" "attr=") ; spread parsed as attribute value
("<div attr=></div>" "attr=")) ; JS2 parses the => as an arrow
(jsx-deftest attr-missing-value-ends-in-dash
("<div attr-= attr2={123}/>" "attr-=")
("<div attr-= attr2=\"123\"/>" "attr-=")
("<div attr-=/>" "attr-=")
:expect-fail
("<div attr-= {...attr2}/>" "attr-=")
("<div attr-=></div>" "attr-="))
(jsx-deftest attr-missing-value-interior-dashes
("<div attr-name= attr2={123}/>" "attr-name=")
("<div attr-name= attr2=\"123\"/>" "attr-name=")
("<div attr-name=/>" "attr-name=")
:expect-fail
("<div attr-name= {...attr2}/>" "attr-name=")
("<div attr-name=></div>" "attr-name="))
(jsx-deftest attr-missing-value-no-dashes-namespaced
("<div ns:attr= attr2={123}/>" "ns:attr=")
("<div ns:attr= attr2=\"123\"/>" "ns:attr=")
("<div ns:attr=/>" "ns:attr=")
:expect-fail
("<div ns:attr= {...attr2}/>" "ns:attr=")
("<div ns:attr=></div>" "ns:attr="))
(jsx-deftest attr-missing-value-ends-in-dash-namespaced
("<div ns:attr-= attr2={123}/>" "ns:attr-=")
("<div ns:attr-= attr2=\"123\"/>" "ns:attr-=")
("<div ns:attr-=/>" "ns:attr-=")
:expect-fail
("<div ns:attr-= {...attr2}/>" "ns:attr-=")
("<div ns:attr-=></div>" "ns:attr-="))
(jsx-deftest attr-missing-value-interior-dashes-namespaced
("<div ns:attr-name= attr2={123}/>" "ns:attr-name=")
("<div ns:attr-name= attr2=\"123\"/>" "ns:attr-name=")
("<div ns:attr-name=/>" "ns:attr-name=")
:expect-fail
("<div ns:attr-name= {...attr2}/>" "ns:attr-name=")
("<div ns:attr-name=></div>" "ns:attr-name="))
;; Missing right curly in attribute
(jsx-deftest attr-missing-rc-no-dashes
:expect-fail
("<div attr={123 {...attr2}/>" "attr={123")
("<div attr={123 attr2={123}/>" "attr={123")
("<div attr={123 attr2=\"123\"/>" "attr={123")
("<div attr={123/>" "attr={123")
("<div attr={123></div>" "attr={123"))
(jsx-deftest attr-missing-rc-ends-in-dash
:expect-fail
("<div attr-={123 {...attr2}/>" "attr-={123")
("<div attr-={123 attr2={123}/>" "attr-={123")
("<div attr-={123 attr2=\"123\"/>" "attr-={123")
("<div attr-={123/>" "attr-={123")
("<div attr-={123></div>" "attr-={123"))
(jsx-deftest attr-missing-rc-interior-dashes
:expect-fail
("<div attr-name={123 {...attr2}/>" "attr-name={123")
("<div attr-name={123 attr2={123}/>" "attr-name={123")
("<div attr-name={123 attr2=\"123\"/>" "attr-name={123")
("<div attr-name={123/>" "attr-name={123")
("<div attr-name={123></div>" "attr-name={123"))
(jsx-deftest attr-missing-rc-no-dashes-namespaced
:expect-fail
("<div ns:attr={123 {...attr2}/>" "ns:attr={123")
("<div ns:attr={123 attr2={123}/>" "ns:attr={123")
("<div ns:attr={123 attr2=\"123\"/>" "ns:attr={123")
("<div ns:attr={123/>" "ns:attr={123")
("<div ns:attr={123></div>" "ns:attr={123"))
(jsx-deftest attr-missing-rc-ends-in-dash-namespaced
:expect-fail
("<div ns:attr-={123 {...attr2}/>" "ns:attr-={123")
("<div ns:attr-={123 attr2={123}/>" "ns:attr-={123")
("<div ns:attr-={123 attr2=\"123\"/>" "ns:attr-={123")
("<div ns:attr-={123/>" "ns:attr-={123")
("<div ns:attr-={123></div>" "ns:attr-={123"))
(jsx-deftest attr-missing-rc-interior-dashes-namespaced
:expect-fail
("<div ns:attr-name={123 {...attr2}/>" "ns:attr-name={123")
("<div ns:attr-name={123 attr2={123}/>" "ns:attr-name={123")
("<div ns:attr-name={123 attr2=\"123\"/>" "ns:attr-name={123")
("<div ns:attr-name={123/>" "ns:attr-name={123")
("<div ns:attr-name={123></div>" "ns:attr-name={123"))
;; Here are all the bad values sign tests:
(jsx-deftest attr-bad-value-no-dashes
("<div attr={&&} attr2={123}/>" "{&&}")
("<div attr={&&} {...attr2}/>" "{&&}")
("<div attr={&&} attr2=\"123\"/>" "{&&}")
("<div attr={&&}/>" "{&&}")
("<div attr={&&}></div>" "{&&}"))
(jsx-deftest attr-bad-value-ends-in-dash
("<div attr-={&&} {...attr2}/>" "{&&}")
("<div attr-={&&} attr2={123}/>" "{&&}")
("<div attr-={&&} attr2=\"123\"/>" "{&&}")
("<div attr-={&&}/>" "{&&}")
("<div attr-={&&}></div>" "{&&}"))
(jsx-deftest attr-bad-value-interior-dashes
("<div attr-name={&&} {...attr2}/>" "{&&}")
("<div attr-name={&&} attr2={123}/>" "{&&}")
("<div attr-name={&&} attr2=\"123\"/>" "{&&}")
("<div attr-name={&&}/>" "{&&}")
("<div attr-name={&&}></div>" "{&&}"))
(jsx-deftest attr-bad-value-no-dashes-namespaced
("<div ns:attr={&&} {...attr2}/>" "{&&}")
("<div ns:attr={&&} attr2={123}/>" "{&&}")
("<div ns:attr={&&} attr2=\"123\"/>" "{&&}")
("<div ns:attr={&&}/>" "{&&}")
("<div ns:attr={&&}></div>" "{&&}"))
(jsx-deftest attr-bad-value-ends-in-dash-namespaced
("<div ns:attr-={&&} {...attr2}/>" "{&&}")
("<div ns:attr-={&&} attr2={123}/>" "{&&}")
("<div ns:attr-={&&} attr2=\"123\"/>" "{&&}")
("<div ns:attr-={&&}/>" "{&&}")
("<div ns:attr-={&&}></div>" "{&&}"))
(jsx-deftest attr-bad-value-interior-dashes-namespaced
("<div ns:attr-name={&&} {...attr2}/>" "{&&}")
("<div ns:attr-name={&&} attr2={123}/>" "{&&}")
("<div ns:attr-name={&&} attr2=\"123\"/>" "{&&}")
("<div ns:attr-name={&&}/>" "{&&}")
("<div ns:attr-name={&&}></div>" "{&&}"))
;; Invalid jsx-strings
(js2-deftest-parse invalid-jsx-string-in-attr
"<div a=\"He said, \\\"Don't you worry child\\\"\"/>"
:syntax-error "\"He said, \\\"Don't you worry child\\\"\"")
(js2-deftest-parse invalid-jsx-string-in-attr-single-quotes
"<div a='He said, \"Don\\'t you worry child\"'/>"
:syntax-error "'He said, \"Don\\'t you worry child\"'")
;; Spread-specific errors also have some combinatorial complexity:
;; A/ Missing value or bad value or good value
;; B/ With or without dots
;; C/ With or without right curly (except if good value and dots are there)
;; D/ Before another attribute (spread vs expr vs string) or
;; at the end of the tag (self-closing or not)
;;
;; Total = (3 * 2 * 2 - 1) * 5 = 55
(jsx-deftest spread-no-value-no-dots-no-rc
:expect-fail
("<div { {...other}/>" "{")
("<div { attr={123}/>" "{")
("<div { attr=\"123\"/>" "{")
("<div { />" "{")
("<div { ></div>" "{"))
(jsx-deftest spread-no-value-no-dots-with-rc
("<div {} {...other}/>" "{}")
("<div {} attr={123}/>" "{}")
("<div {} attr=\"123\"/>" "{}")
("<div {} />" "{}")
("<div {} ></div>" "{}"))
(jsx-deftest spread-no-value-with-dots-no-rc
:expect-fail
("<div {... {...other}/>" "{...")
("<div {... attr={123}/>" "{...")
("<div {... attr=\"123\"/>" "{...")
("<div {... />" "{...")
("<div {... ></div>" "{..."))
(jsx-deftest spread-no-value-with-dots-with-rc
("<div {...} />" "{...}")
("<div {...} attr={123}/>" "{...}")
("<div {...} {...other}/>" "{...}")
("<div {...} attr=\"123\"/>" "{...}")
("<div {...} ></div>" "{...}"))
(jsx-deftest spread-bad-value-no-dots-no-rc
:expect-fail
("<div {&& {...other}/>" "{&&")
("<div {&& attr={123}/>" "{&&")
("<div {&& attr=\"123\"/>" "{&&")
("<div {&& />" "{&&")
("<div {&& ></div>" "{&&"))
(jsx-deftest spread-bad-value-no-dots-with-rc
("<div {&&} {...other}/>" "{&&}")
("<div {&&} attr={123}/>" "{&&}")
("<div {&&} attr=\"123\"/>" "{&&}")
("<div {&&} />" "{&&}")
("<div {&&} ></div>" "{&&}"))
(jsx-deftest spread-bad-value-with-dots-with-rc
("<div {...&&} {...other}/>" "{...&&}")
("<div {...&&} attr={123}/>" "{...&&}")
("<div {...&&} attr=\"123\"/>" "{...&&}")
("<div {...&&} />" "{...&&}")
("<div {...&&} ></div>" "{...&&}"))
(jsx-deftest spread-good-value-no-dots-no-rc
:expect-fail
("<div {{a: 123} {...other}/>" "{{a: 123}")
("<div {{a: 123} attr={123}/>" "{{a: 123}")
("<div {{a: 123} attr=\"123\"/>" "{{a: 123}")
("<div {{a: 123} />" "{{a: 123}")
("<div {{a: 123} ></div>" "{{a: 123}"))
(jsx-deftest spread-good-value-no-dots-with-rc
("<div {{a: 123}} {...other}/>" "{{a: 123}}")
("<div {{a: 123}} attr={123}/>" "{{a: 123}}")
("<div {{a: 123}} attr=\"123\"/>" "{{a: 123}}")
("<div {{a: 123}} />" "{{a: 123}}")
("<div {{a: 123}} ></div>" "{{a: 123}}"))
;; Other odds and ends
(ert-deftest rjsx-<->-token-class ()
(ert-with-test-buffer (:name 'origin)
(dolist (test '(("<" "div/" ">")
("<" "div" ">" "" "<" "/div" ">")
("<" "div" ">" "" "<" "/vid" ">")
("<" "" ">" "" "<" "/" ">")
("<" "div" ">" "\n hi\n {123 < 5}\n " "<" "span/" ">" "\n" "<" "/div" ">")))
(erase-buffer)
(mapc #'insert test)
(rjsx-mode)
(js2-reparse)
(goto-char (point-min))
(let ((is-tag t))
(dolist (frag test)
(cond
((string= frag ""))
(is-tag (should (memq (get-char-property (point) 'rjsx-class) '(< >))))
(t (should-not (memq (get-char-property (point) 'rjsx-class) '(< >)))))
(setq is-tag (not is-tag))
(forward-char (length frag)))))))
(ert-deftest rjsx-node-opening-tag ()
(ert-with-test-buffer (:name 'origin)
(dolist (test '(("<div/>" "div" "div")
("<div></div>" "div" "div")
("<div></vid>" "div" "div")
("<C-d-e:f-g-h-></C-d-e:f-g-h->" "C-d-e:f-g-h" "C-d-e:f-g-h")
("<C.D.E></C.D.E>" "C.D.E" "C.D.E")
("<C-a.D-a.E-a/>" "C-a.D-a.E-a" nil)
("<></>" "" "")))
(erase-buffer)
(js2-visit-ast
(js2-test-string-to-ast (car test))
(lambda (node end-p)
(when (not end-p)
(cond
((rjsx-node-p node)
(should (string= (cadr test) (rjsx-node-opening-tag-name node))))
((rjsx-closing-tag-p node)
(should (string= (caddr test) (rjsx-closing-tag-full-name node))))))
nil)))))
(ert-deftest rjsx-electric-lt ()
(let ((cases '("let c = "
"let c = (\n "
"let c = (\n <div>\n "
"let c = name => "
"let c = (\n <div>\n {value}\n "
"let c = <div a={"
"let c = [\n <div />,\n "
"let c = <div>{a && "
"let c = <div>{a || "
"let c = <div>{a ? "
"let c = <div>{a ? null :"
"return "
"return /*\n hello world \n*/\n // more comments\n ")))
(ert-with-test-buffer (:name 'origin)
(dolist (contents cases)
(insert contents)
(rjsx-mode) ; rjsx-electric-lt depends on the syntax table
(rjsx-electric-lt 1)
(should (string= (buffer-substring-no-properties (point-min) (point))
(concat contents "<")))
(should (string= (buffer-substring-no-properties (point) (point-max))
"/>"))
(erase-buffer)))))
(ert-deftest rjsx-electric-lt-in-jsx-text ()
"Regression test for #68"
;; This test ensures that newlines are properly skipped in JSX text when looking for the prior
;; token. In JSX text, newlines are not whitespace (cf #67) or comment enders, so aren't skipped
;; over by forward-comment
(ert-with-test-buffer (:name 'electric-lt-in-jsx-text)
(let ((pre "let c = (\n <div>\n ")
(post "\n </div>\n);"))
(insert pre)
(save-excursion (insert post))
(rjsx-mode)
(js2-reparse)
(rjsx-electric-lt 1)
(should (string= (buffer-substring-no-properties (point-min) (point))
(concat pre "<")))
(should (string= (buffer-substring-no-properties (point) (point-max))
(concat "/>" post)))
(erase-buffer))))
(ert-deftest rjsx-electric-lt-grounded ()
(let ((cases '("let c = 3 "
"if (n "
"(abc && def) ")))
(ert-with-test-buffer (:name 'origin)
(dolist (contents cases)
(insert contents)
(rjsx-electric-lt 1)
(should (string= (buffer-substring-no-properties (point-min) (point))
(concat contents "<")))
(should (string= (buffer-substring-no-properties (point) (point-max))
""))
(erase-buffer)))))
(ert-deftest rjsx-electric-lt-prefix-arg ()
(let ((cases '("let c = "
"let c = (\n "
"let c = (\n <div>\n "
"let c = name => "
"let c = (\n <div>\n {value}\n "
"let c = <div a={"
"let c = [\n <div />,\n "
"let c = <div>{a && "
"let c = <div>{a || "
"let c = <div>{a ? "
"let c = <div>{a ? null :"
"return "
"return /*\n hello world \n*/\n // more comments\n ")))
(ert-with-test-buffer (:name 'origin)
(dolist (contents cases)
(insert contents)
(rjsx-mode)
(rjsx-electric-lt 3)
(should (string= (buffer-substring-no-properties (point-min) (point))
(concat contents "<<<")))
(should (string= (buffer-substring-no-properties (point) (point-max))
""))
(erase-buffer)))))
(ert-deftest rjsx-electric-gt ()
(let ((cases '("let c = (\n <div>\n <Component a=\"123\"/>\n </div>)"
"let c = <Component/>"
"let c = (\n <Component {...props}/>\n)"
"let c = name => <Component b='123'/>"
"let c = (\n <div>\n {value}\n <Component/>\n </div>)"
"let c = <div a={<Component/>}/>"
"let c = <div>{a && <Component a={123}/>}</div>"
"let c = <div>{a || <Component/>}</div>"
"let c = <div>{a ? <Component/> : null}</div>"
"let c = <div>{a ? null : <Component/>}</div>"
"return <Component/>")))
(ert-with-test-buffer (:name 'origin)
(dolist (contents cases)
(insert contents)
(goto-char 0)
(search-forward "/>")
(backward-char 2)
(js2-mode--and-parse)
(let ((start-point (point)))
(rjsx-electric-gt 1)
(should (= (1+ start-point) (point)))
(should (string= (buffer-substring-no-properties (point-min) (point))
(concat (substring contents 0 (1- start-point)) ">")))
(should (string= (buffer-substring-no-properties (point) (point-max))
(concat "</Component>" (substring contents (1+ start-point)))))
(erase-buffer))
(message "succeeded with %s" (prin1 contents))))))
(ert-deftest rjsx-electric-gt-grounded ()
(let ((cases '(("let C = () => (\n <WithRegex a={" . "/>/}></WithRegex>\n);")
("let c = 3 " . "+ 4")
("if (n " . "=== undefined) return;")
("(abc && def) " . "\n")
("<Component><". "/Component"))))
(ert-with-test-buffer (:name 'origin)
(dolist (contents cases)
(insert (car contents))
(save-excursion (insert (cdr contents)))
(js2-mode--and-parse)
(rjsx-electric-gt 1)
(should (string= (buffer-substring-no-properties (point-min) (point))
(concat (car contents) ">")))
(should (string= (buffer-substring-no-properties (point) (point-max))
(cdr contents)))
(erase-buffer)))))
(ert-deftest rjsx-electric-gt-prefix-arg ()
(let ((cases '("let c = (\n <div>\n <Component a=\"123\"/>\n </div>)"
"let c = <Component/>"
"let c = (\n <Component {...props}/>\n)"
"let c = name => <Component b='123'/>"
"let c = (\n <div>\n {value}\n <Component/>\n </div>)"
"let c = <div a={<Component/>}/>"
"let c = <div>{a && <Component a={123}/>}</div>"
"let c = <div>{a || <Component/>}</div>"
"let c = <div>{a ? <Component/> : null}</div>"
"let c = <div>{a ? null : <Component/>}</div>"
"return <Component/>")))
(ert-with-test-buffer (:name 'origin)
(dolist (contents cases)
(insert contents)
(goto-char 0)
(search-forward "/>")
(backward-char 2)
(js2-mode--and-parse)
(let ((start-point (point)))
(rjsx-electric-gt 2)
(should (= (+ 2 start-point) (point)))
(should (string= (buffer-substring-no-properties (point-min) (point))
(concat (substring contents 0 (1- start-point)) ">>")))
(should (string= (buffer-substring-no-properties (point) (point-max))
(substring contents (1- start-point))))
(erase-buffer))
(message "succeeded with %s" (prin1 contents))))))
(ert-deftest rjsx-delete-creates-full-tag ()
(let ((cases '("let c = (\n <div>\n <Component a=\"123\"/>\n </div>)"
"let c = <Component/>"
"let c = (\n <Component {...props}/>\n)"
"let c = name => <Component b='123'/>"
"let c = (\n <div>\n {value}\n <Component/>\n </div>)"
"let c = <div a={<Component/>}/>"
"let c = <div>{a && <Component a={123}/>}</div>"
"let c = <div>{a || <Component/>}</div>"
"let c = <div>{a ? <Component/> : null}</div>"
"let c = <div>{a ? null : <Component/>}</div>"
"return <Component/>")))
(ert-with-test-buffer (:name 'origin)
(dolist (contents cases)
(insert contents)
(goto-char 0)
(search-forward "/>")
(backward-char 2)
(js2-mode--and-parse)
(let ((start-point (point)))
(rjsx-delete-creates-full-tag 1)
(should (= (1+ start-point) (point)))
(should (string= (buffer-substring-no-properties (point-min) (point))
(concat (substring contents 0 (1- start-point)) ">")))
(should (string= (buffer-substring-no-properties (point) (point-max))
(concat "</Component>" (substring contents (1+ start-point)))))
(erase-buffer))
(message "succeeded with %s" (prin1 contents))))))
(ert-deftest rjsx-delete-normal ()
(let ((cases '(("let C = () => (\n <WithRegex a={" . "/>/}></WithRegex>\n);")
("let c = 3 " . "+ 4")
("if (n " . "=== undefined) return;")
("(abc && def) " . "\n")
("<Component><". "/Component"))))
(ert-with-test-buffer (:name 'origin)
(dolist (contents cases)
(insert (car contents))
(save-excursion (insert (cdr contents)))
(js2-mode--and-parse)
(rjsx-delete-creates-full-tag 1)
(should (string= (buffer-substring-no-properties (point-min) (point))
(car contents)))
(should (string= (buffer-substring-no-properties (point) (point-max))
(substring (cdr contents) 1)))
(erase-buffer)))))
(ert-deftest rjsx-delete-normal-region ()
(let ((cases '(("let C = () => (\n <WithRegex a={" . "/>/}></WithRegex>\n);")
("let c = 3 " . "+ 4")
("if (n " . "=== undefined) return;")
("<Component><". "/Component"))))
(ert-with-test-buffer (:name 'origin)
(dolist (contents cases)
(insert (car contents))
(save-excursion (insert (cdr contents)))
(js2-mode--and-parse)
(let ((transient-mark-mode 1)
(delete-active-region t))
(set-mark (point))
(forward-char 3)
(call-interactively 'rjsx-delete-creates-full-tag))
(should (string= (buffer-substring-no-properties (point-min) (point))
(car contents)))
(should (string= (buffer-substring-no-properties (point) (point-max))
(substring (cdr contents) 3)))
(erase-buffer)))))
(ert-deftest rjsx--tag-at-point ()
(let ((cases '(("let c = (\n " " <div>\n <Component a=\"123\"/>\n </div>)" nil)
("let c = (\n " "<div>\n <Component a=\"123\"/>\n </div>)" "div")
("let c = (\n <" "div>\n <Component a=\"123\"/>\n </div>)" "div")
("let c = (\n <di" "v>\n <Component a=\"123\"/>\n </div>)" "div")
("let c = (\n <div" ">\n <Component a=\"123\"/>\n </div>)" "div")
("let c = (\n <div>\n " " <Component a=\"123\"/>\n </div>)" "div")
("let c = (\n <div>\n " "<Component a=\"123\"/>\n </div>)" "Component")
("let c = (\n <div>\n <" "Component a=\"123\"/>\n </div>)" "Component")
("let c = (\n <div>\n <Compo" "nent a=\"123\"/>\n </div>)" "Component")
("let c = (\n <div>\n <Component" " a=\"123\"/>\n </div>)" "Component")
("let c = (\n <div>\n <Component " "a=\"123\"/>\n </div>)" "Component")
("let c = (\n <div>\n <Component a" "=\"123\"/>\n </div>)" "Component")
("let c = (\n <div>\n <Component a=" "\"123\"/>\n </div>)" "Component")
("let c = (\n <div>\n <Component a=\"1" "23\"/>\n </div>)" "Component")
("let c = (\n <div>\n <Component a=\"123\"" "/>\n </div>)" "Component")
("let c = (\n <div>\n <Component a=\"123\"/" ">\n </div>)" "Component")
("let c = (\n <div>\n <Component a=\"123\"/>" "\n </div>)" "div")
("let c = (\n " " <Component {...props}/>\n)" nil)
("let c = (\n <Component " "{...props}/>\n)" "Component")
("let c = (\n <Component {" "...props}/>\n)" "Component")
("let c = (\n <Component {." "..props}/>\n)" "Component")
("let c = (\n <Component {..." "props}/>\n)" "Component")
("let c = (\n <Component {...pr" "ops}/>\n)" "Component")
("let c = (\n <Component {...props" "}/>\n)" "Component")
("let c = (\n <Component {...props}" "/>\n)" "Component")
("let c = (\n <Component {...props}/" ">\n)" "Component")
("let c = (\n <Component {...props}/>" "\n)" nil)
("let c = (\n <div>\n " "{value}\n <Component/>\n </div>)" "div")
("let c = (\n <div>\n {" "value}\n <Component/>\n </div>)" "div")
("let c = (\n <div>\n {v" "alue}\n <Component/>\n </div>)" "div")
("let c = (\n <div>\n {value" "}\n <Component/>\n </div>)" "div")
("let c = (\n <div>\n {value}" "\n <Component/>\n </div>)" "div")
("let c = <div a=" "{<Component/>}/>" "div")
("let c = <div a={" "<Component/>}/>" "Component")
("let c = <div a={<" "Component/>}/>" "Component")
("let c = <div a={<Comp" "onent/>}/>" "Component")
("let c = <div a={<Component" "/>}/>" "Component")
("let c = <div a={<Component/" ">}/>" "Component")
("let c = <div a={<Component/>" "}/>" "div")
("let c = <div a={<Component/>}" "/>" "div")
("let c = <div a={<Component/>}/" ">" "div")
("let c = <div a={<Component/>}/>" "" nil)
("let c = <div>{a && " "<Component a={123}/>}</div>" "Component")
("let c = <div>{a && <Component a={123}/" ">}</div>" "Component")
("let c = <div>{a &&" " <Component a={123}/>}</div>" "div")
("let c = <div>{a && <Component a={123}/>" "}</div>" "div"))))
(ert-with-test-buffer (:name 'origin)
(dolist (case cases)
(erase-buffer)
(cl-destructuring-bind (pre post exp) case
(insert pre)
(save-excursion (insert post))
(js2-mode--and-parse)
(let ((tag (rjsx--tag-at-point)))
(cond
(exp
(should (not (eq nil tag)))
(should (rjsx-node-p tag))
(should (string= (rjsx-node-opening-tag-name tag) exp)))
(t
(should (eq nil tag))))))))))
(ert-deftest rjsx-rename-tag-at-point ()
(let ((cases '(("let c = (\n " " <div>\n <Component a=\"123\"/>\n </div>)"
"let c = (\n <div>\n <Component a=\"123\"/>\n </div>)")
("let c = (\n <div>\n <Compo" "nent a=\"123\"/>\n </div>)"
"let c = (\n <div>\n <NewName a=\"123\"/>\n </div>)")
("let c = (\n <Component {" "...props}/>\n)"
"let c = (\n <NewName {...props}/>\n)")
("let c = <div a={<Comp" "onent/>}/>"
"let c = <div a={<NewName/>}/>")
("let c = <div>{a && <Component a={123}/" ">}</div>"
"let c = <div>{a && <NewName a={123}/>}</div>")
("let c = <div>{a && <" "></>}</div>"
"let c = <div>{a && <NewName></NewName>}</div>")
("let c = <div>{a && <>x" "yz\n <Component/></>}</div>"
"let c = <div>{a && <NewName>xyz\n <Component/></NewName>}</div>")
("let c = <div>{a && <" "><Component/></>}</div>"
"let c = <div>{a && <NewName><Component/></NewName>}</div>"))))
(ert-with-test-buffer (:name 'origin)
(dolist (case cases)
(erase-buffer)
(cl-destructuring-bind (pre post exp) case
(insert pre)