empty files to baseline test

Author: sheetalkamat

src/testRunner/unittests/tsbuild/emptyFiles.ts

@@ -1,40 +1,25 @@
 namespace ts {
-    const projFs = loadProjectFromDisk("tests/projects/empty-files");
-
-    const allExpectedOutputs = [
-        "/src/core/index.js",
-        "/src/core/index.d.ts",
-        "/src/core/index.d.ts.map",
-    ];
-
     describe("unittests:: tsbuild - empty files option in tsconfig", () => {
-        it("has empty files diagnostic when files is empty and no references are provided", () => {
-            const fs = projFs.shadow();
-            const host = fakes.SolutionBuilderHost.create(fs);
-            const builder = createSolutionBuilder(host, ["/src/no-references"], { dry: false, force: false, verbose: false });
-
-            host.clearDiagnostics();
-            builder.build();
-            host.assertDiagnosticMessages({
-                message: [Diagnostics.The_files_list_in_config_file_0_is_empty, "/src/no-references/tsconfig.json"],
-                location: expectedLocationLastIndexOf(fs, "/src/no-references/tsconfig.json", "[]"),
-            });
-
-            // Check for outputs to not be written.
-            verifyOutputsAbsent(fs, allExpectedOutputs);
+        let projFs: vfs.FileSystem;
+        before(() => {
+            projFs = loadProjectFromDisk("tests/projects/empty-files");
+        });
+        after(() => {
+            projFs = undefined!;
         });
 
-        it("does not have empty files diagnostic when files is empty and references are provided", () => {
-            const fs = projFs.shadow();
-            const host = fakes.SolutionBuilderHost.create(fs);
-            const builder = createSolutionBuilder(host, ["/src/with-references"], { dry: false, force: false, verbose: false });
-
-            host.clearDiagnostics();
-            builder.build();
-            host.assertDiagnosticMessages(/*empty*/);
+        verifyTsc({
+            scenario: "emptyFiles",
+            subScenario: "does not have empty files diagnostic when files is empty and references are provided",
+            fs: () => projFs,
+            commandLineArgs: ["--b", "/src/no-references"],
+        });
 
-            // Check for outputs to be written.
-            verifyOutputsPresent(fs, allExpectedOutputs);
+        verifyTsc({
+            scenario: "emptyFiles",
+            subScenario: "has empty files diagnostic when files is empty and no references are provided",
+            fs: () => projFs,
+            commandLineArgs: ["--b", "/src/with-references"],
         });
     });
 }

tests/baselines/reference/tsbuild/emptyFiles/initial-build/does-not-have-empty-files-diagnostic-when-files-is-empty-and-references-are-provided.js

@@ -0,0 +1,6 @@
+//// [/lib/initial-buildOutput.txt]
+/lib/tsc --b /src/no-references
+src/no-references/tsconfig.json(3,14): error TS18002: The 'files' list in config file '/src/no-references/tsconfig.json' is empty.
+exitCode:: ExitStatus.DiagnosticsPresent_OutputsSkipped
+
+

tests/baselines/reference/tsbuild/emptyFiles/initial-build/has-empty-files-diagnostic-when-files-is-empty-and-no-references-are-provided.js

@@ -0,0 +1,49 @@
+//// [/lib/initial-buildOutput.txt]
+/lib/tsc --b /src/with-references
+exitCode:: ExitStatus.Success
+
+
+//// [/src/core/index.d.ts]
+export declare function multiply(a: number, b: number): number;
+//# sourceMappingURL=index.d.ts.map
+
+//// [/src/core/index.d.ts.map]
+{"version":3,"file":"index.d.ts","sourceRoot":"","sources":["index.ts"],"names":[],"mappings":"AAAA,wBAAgB,QAAQ,CAAC,CAAC,EAAE,MAAM,EAAE,CAAC,EAAE,MAAM,UAAmB"}
+
+//// [/src/core/index.js]
+"use strict";
+exports.__esModule = true;
+function multiply(a, b) { return a * b; }
+exports.multiply = multiply;
+
+
+//// [/src/core/tsconfig.tsbuildinfo]
+{
+  "program": {
+    "fileInfos": {
+      "../../lib/lib.d.ts": {
+        "version": "3858781397-/// <reference no-default-lib=\"true\"/>\ninterface Boolean {}\ninterface Function {}\ninterface CallableFunction {}\ninterface NewableFunction {}\ninterface IArguments {}\ninterface Number { toExponential: any; }\ninterface Object {}\ninterface RegExp {}\ninterface String { charAt: any; }\ninterface Array<T> { length: number; [n: number]: T; }\ninterface ReadonlyArray<T> {}\ndeclare const console: { log(msg: any): void; };",
+        "signature": "3858781397-/// <reference no-default-lib=\"true\"/>\ninterface Boolean {}\ninterface Function {}\ninterface CallableFunction {}\ninterface NewableFunction {}\ninterface IArguments {}\ninterface Number { toExponential: any; }\ninterface Object {}\ninterface RegExp {}\ninterface String { charAt: any; }\ninterface Array<T> { length: number; [n: number]: T; }\ninterface ReadonlyArray<T> {}\ndeclare const console: { log(msg: any): void; };"
+      },
+      "./index.ts": {
+        "version": "5112841898-export function multiply(a: number, b: number) { return a * b; }\r\n",
+        "signature": "3361149553-export declare function multiply(a: number, b: number): number;\r\n//# sourceMappingURL=index.d.ts.map"
+      }
+    },
+    "options": {
+      "composite": true,
+      "declaration": true,
+      "declarationMap": true,
+      "skipDefaultLibCheck": true,
+      "configFilePath": "./tsconfig.json"
+    },
+    "referencedMap": {},
+    "exportedModulesMap": {},
+    "semanticDiagnosticsPerFile": [
+      "../../lib/lib.d.ts",
+      "./index.ts"
+    ]
+  },
+  "version": "FakeTSVersion"
+}
+