JS: test case for transform-react-jsx plugin

asger-semmle · asger-semmle · commit d7eb4ef40e75 · 2018-10-26T12:06:18.000+01:00
diff --git a/javascript/ql/test/query-tests/Declarations/UnusedVariable/Babelrc/.babelrc.json b/javascript/ql/test/query-tests/Declarations/UnusedVariable/Babelrc/.babelrc.json
@@ -0,0 +1,5 @@
+{
+  "plugins": [
+    ["transform-react-jsx", { "pragma": "h" }]
+  ]
+}
diff --git a/javascript/ql/test/query-tests/Declarations/UnusedVariable/Babelrc/importPragma.jsx b/javascript/ql/test/query-tests/Declarations/UnusedVariable/Babelrc/importPragma.jsx
@@ -0,0 +1,4 @@
+import { h } from 'preact'; // OK - JSX element uses 'h' after babel compilation
+import { q } from 'preact'; // NOT OK - not used 
+
+export default (<div>Hello</div>);
diff --git a/javascript/ql/test/query-tests/Declarations/UnusedVariable/UnusedVariable.expected b/javascript/ql/test/query-tests/Declarations/UnusedVariable/UnusedVariable.expected
@@ -1,6 +1,9 @@
+| Babelrc/importPragma.jsx:1:1:1:27 | import  ... react'; | Unused import h. |
+| Babelrc/importPragma.jsx:2:1:2:27 | import  ... react'; | Unused import q. |
 | decorated.ts:1:1:1:126 | import  ... where'; | Unused import actionHandler. |
 | decorated.ts:4:10:4:12 | fun | Unused function fun. |
 | externs.js:6:5:6:13 | iAmUnused | Unused variable iAmUnused. |
+| importWithoutPragma.jsx:1:1:1:27 | import  ... react'; | Unused import h. |
 | multi-imports.js:1:1:1:29 | import  ... om 'x'; | Unused imports a, b, d. |
 | multi-imports.js:2:1:2:42 | import  ... om 'x'; | Unused imports alphabetically, ordered. |
 | typeoftype.ts:9:7:9:7 | y | Unused variable y. |
diff --git a/javascript/ql/test/query-tests/Declarations/UnusedVariable/importWithoutPragma.jsx b/javascript/ql/test/query-tests/Declarations/UnusedVariable/importWithoutPragma.jsx
@@ -0,0 +1,3 @@
+import { h } from 'preact'; // NOT OK - not in scope of .babelrc file
+
+export default (<div>Hello</div>);

-Original file line number
+Diff line change
@@ @@ -0,0 +1,5 @@ @@
 +{
 +  "plugins": [
 +    ["transform-react-jsx", { "pragma": "h" }]
 +  ]
 +}
Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	`+import { h } from 'preact'; // NOT OK - not in scope of .babelrc file`
	`2`	`+`
	`3`	`+export default (<div>Hello</div>);`