Merge pull request #14 from GuentherJulian/feature_assertionFileExists

Created assertion fileExist

Author: SchettlerKoehler

assertions/directoryExist.ts

@@ -1,4 +1,3 @@
-import { RunResult } from "../engine/run_result";
 import * as fs from "fs";
 
 export class DirectoryExist {

assertions/fileExist.ts

@@ -0,0 +1,9 @@
+import * as fs from "fs";
+
+export class FileExist {
+    public static run(filepath: string): void {
+        if(!fs.existsSync(filepath)) {
+            throw new Error("file " + filepath + " does not exist");
+        }
+    }
+}

assertions/index.ts

@@ -4,6 +4,7 @@ import { Command } from "../engine/command";
 import { NoErrorCode } from "./noErrorCode";
 import { NoException } from "./noException";
 import { DirectoryExist } from "./directoryExist";
+import { FileExist } from "./fileExist";
 
 
 export class Assertions {
@@ -22,4 +23,9 @@ export class Assertions {
         DirectoryExist.run(directory);
         return this;
     }
+
+    public fileExits(filepath: string): Assertions {
+        FileExist.run(filepath);
+        return this;
+    }
 }