Test when module resolution because of path mapping takes to json file

sheetalkamat · sheetalkamat · commit aa8f1e5b6acc · 2018-08-14T16:23:07.000-07:00
Test for microsoft#26402
diff --git a/tests/baselines/reference/requireOfJsonFileWithoutResolveJsonModuleAndPathMapping.js b/tests/baselines/reference/requireOfJsonFileWithoutResolveJsonModuleAndPathMapping.js
@@ -0,0 +1,14 @@
+//// [tests/cases/compiler/requireOfJsonFileWithoutResolveJsonModuleAndPathMapping.ts] ////
+
+//// [foobar.json]
+{ "a": 10 }
+
+//// [a.ts]
+import foobar from "foo/bar/foobar.json";
+
+
+//// [/bin/node_modules/foo/bar/foobar.json]
+{ "a": 10 }
+//// [/bin/a.js]
+"use strict";
+exports.__esModule = true;
diff --git a/tests/baselines/reference/requireOfJsonFileWithoutResolveJsonModuleAndPathMapping.symbols b/tests/baselines/reference/requireOfJsonFileWithoutResolveJsonModuleAndPathMapping.symbols
@@ -0,0 +1,8 @@
+=== /a.ts ===
+import foobar from "foo/bar/foobar.json";
+>foobar : Symbol(foobar, Decl(a.ts, 0, 6))
+
+=== /node_modules/foo/bar/foobar.json ===
+{ "a": 10 }
+>"a" : Symbol("a", Decl(foobar.json, 0, 1))
+
diff --git a/tests/baselines/reference/requireOfJsonFileWithoutResolveJsonModuleAndPathMapping.trace.json b/tests/baselines/reference/requireOfJsonFileWithoutResolveJsonModuleAndPathMapping.trace.json
@@ -0,0 +1,10 @@
+[
+    "======== Resolving module 'foo/bar/foobar.json' from '/a.ts'. ========",
+    "Module resolution kind is not specified, using 'NodeJs'.",
+    "'baseUrl' option is set to '/', using this value to resolve non-relative module name 'foo/bar/foobar.json'.",
+    "'paths' option is specified, looking for a pattern to match module name 'foo/bar/foobar.json'.",
+    "Module name 'foo/bar/foobar.json', matched pattern '*'.",
+    "Trying substitution 'node_modules/*', candidate module location: 'node_modules/foo/bar/foobar.json'.",
+    "File '/node_modules/foo/bar/foobar.json' exist - use it as a name resolution result.",
+    "======== Module name 'foo/bar/foobar.json' was successfully resolved to '/node_modules/foo/bar/foobar.json'. ========"
+]
diff --git a/tests/baselines/reference/requireOfJsonFileWithoutResolveJsonModuleAndPathMapping.types b/tests/baselines/reference/requireOfJsonFileWithoutResolveJsonModuleAndPathMapping.types
@@ -0,0 +1,10 @@
+=== /a.ts ===
+import foobar from "foo/bar/foobar.json";
+>foobar : { "a": number; }
+
+=== /node_modules/foo/bar/foobar.json ===
+{ "a": 10 }
+>{ "a": 10 } : { "a": number; }
+>"a" : number
+>10 : 10
+
diff --git a/tests/cases/compiler/requireOfJsonFileWithoutResolveJsonModuleAndPathMapping.ts b/tests/cases/compiler/requireOfJsonFileWithoutResolveJsonModuleAndPathMapping.ts
@@ -0,0 +1,24 @@
+// @noImplicitReferences: true
+// @traceResolution: true
+// @allowJs: true
+// @esModuleInterop: true
+// @fullEmitPaths: true
+// @resolveJsonModule: false
+
+// @Filename: /node_modules/foo/bar/foobar.json
+{ "a": 10 }
+
+// @Filename: /a.ts
+import foobar from "foo/bar/foobar.json";
+
+// @Filename: /tsconfig.json
+{
+    "compilerOptions": {
+        "baseUrl": ".",
+        "paths": {
+            "*": ["node_modules/*", "src/types"]
+        },
+        "allowJs": true,
+        "outDir": "bin"
+    }
+}
