Merge pull request #936 from notaphplover/chore/add-libraries-mutatio…

…n-testing Add mutation testing
notaphplover · Feb 3, 2024 · a858b6a · a858b6a
2 parents 1fd1e00 + 72dcf68
commit a858b6a
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Showing 15 changed files with 205 additions and 38 deletions.
diff --git a/packages/backend/libraries/backend-api-validators/stryker.conf.json b/packages/backend/libraries/backend-api-validators/stryker.conf.json
@@ -1,5 +1,6 @@
 {
   "checkers": ["typescript"],
+  "cleanTempDir": "always",
   "coverageAnalysis": "perTest",
   "disableTypeChecks": "src/**/*.ts",
   "jest": {

diff --git a/packages/backend/libraries/backend-db/stryker.conf.json b/packages/backend/libraries/backend-db/stryker.conf.json
@@ -1,5 +1,6 @@
 {
   "checkers": ["typescript"],
+  "cleanTempDir": "always",
   "coverageAnalysis": "perTest",
   "disableTypeChecks": "src/**/*.ts",
   "jest": {

diff --git a/packages/backend/libraries/backend-graphql/.gitignore b/packages/backend/libraries/backend-graphql/.gitignore
@@ -7,6 +7,12 @@
 # test coverage reports
 /coverage
 
+# Stryker reports
+/reports
+
+# Stryker temp files
+/stryker-tmp
+
 # Turborepo files
 .turbo/
 

diff --git a/packages/backend/libraries/backend-graphql/jest.config.stryker.mjs b/packages/backend/libraries/backend-graphql/jest.config.stryker.mjs
@@ -0,0 +1,9 @@
+import { getJestTsProjectConfig } from '@cornie-js/backend-jest-config';
+
+const tsGlobalConfig = getJestTsProjectConfig(
+  'All',
+  ['/node_modules', '.int.spec.ts'],
+  '.spec.ts',
+);
+
+export default tsGlobalConfig;
diff --git a/packages/backend/libraries/backend-graphql/package.json b/packages/backend/libraries/backend-graphql/package.json
@@ -12,6 +12,9 @@
   },
   "devDependencies": {
     "@jest/globals": "29.7.0",
+    "@stryker-mutator/core": "8.2.3",
+    "@stryker-mutator/jest-runner": "8.2.3",
+    "@stryker-mutator/typescript-checker": "8.2.3",
     "@types/node": "20.11.16",
     "@typescript-eslint/eslint-plugin": "6.20.0",
     "@typescript-eslint/parser": "6.20.0",
@@ -48,6 +51,7 @@
     "test:integration:js": "pnpm run test:js --selectProjects Integration",
     "test:js": "jest --config=jest.js.config.mjs --runInBand",
     "test:js:coverage": "pnpm run test:js --coverage",
+    "test:mutation": "stryker run",
     "test:uncommitted": "pnpm run test --changedSince=HEAD",
     "test:unit:js": "pnpm run test:js --selectProjects Unit"
   },

diff --git a/...phql/src/foundation/graphql/adapter/graphql/builders/GraphQlErrorFromErrorBuilder.spec.ts b/...phql/src/foundation/graphql/adapter/graphql/builders/GraphQlErrorFromErrorBuilder.spec.ts
@@ -23,53 +23,89 @@ describe(GraphQlErrorFromErrorBuilder.name, () => {
   });
 
   describe('.build', () => {
-    let appErrorFixture: AppError;
-    let statusCodeFixture: number;
+    describe.each<[unknown]>([[undefined], [null], [{}]])(
+      'having a non AppError',
+      (errorFixture: unknown) => {
+        describe('when called', () => {
+          let result: unknown;
 
-    beforeAll(() => {
-      appErrorFixture = new AppError(AppErrorKind.contractViolation);
-      statusCodeFixture = HttpStatus.ACCEPTED;
-    });
+          beforeAll(() => {
+            result = graphQlErrorFromAppErrorBuilder.build(errorFixture);
+          });
 
-    describe('when called', () => {
-      let result: unknown;
+          afterAll(() => {
+            jest.clearAllMocks();
+          });
 
-      beforeAll(() => {
-        httpStatusCodeFromErrorBuilderMock.build.mockReturnValueOnce(
-          statusCodeFixture,
-        );
+          it('should return a GraphQLError', () => {
+            const expectedProperties: Partial<GraphQLError> = {
+              extensions: {
+                http: {
+                  status: HttpStatus.INTERNAL_SERVER_ERROR,
+                },
+              },
+            };
 
-        result = graphQlErrorFromAppErrorBuilder.build(appErrorFixture);
-      });
+            expect(result).toBeInstanceOf(GraphQLError);
+            expect(result).toStrictEqual(
+              expect.objectContaining(expectedProperties),
+            );
+          });
+        });
+      },
+    );
 
-      afterAll(() => {
-        jest.clearAllMocks();
-      });
+    describe('having an AppError', () => {
+      let appErrorFixture: AppError;
 
-      it('should call httpStatusCodeFromErrorBuilder.build()', () => {
-        expect(httpStatusCodeFromErrorBuilderMock.build).toHaveBeenCalledTimes(
-          1,
-        );
-        expect(httpStatusCodeFromErrorBuilderMock.build).toHaveBeenCalledWith(
-          appErrorFixture,
-        );
+      beforeAll(() => {
+        appErrorFixture = new AppError(AppErrorKind.contractViolation);
       });
 
-      it('should return a GraphQLError', () => {
-        const expectedProperties: Partial<GraphQLError> = {
-          extensions: {
-            code: 'API_ERROR',
-            http: {
-              status: statusCodeFixture,
+      describe('when called', () => {
+        let statusCodeFixture: number;
+
+        let result: unknown;
+
+        beforeAll(() => {
+          statusCodeFixture = HttpStatus.ACCEPTED;
+
+          httpStatusCodeFromErrorBuilderMock.build.mockReturnValueOnce(
+            statusCodeFixture,
+          );
+
+          result = graphQlErrorFromAppErrorBuilder.build(appErrorFixture);
+        });
+
+        afterAll(() => {
+          jest.clearAllMocks();
+        });
+
+        it('should call httpStatusCodeFromErrorBuilder.build()', () => {
+          expect(
+            httpStatusCodeFromErrorBuilderMock.build,
+          ).toHaveBeenCalledTimes(1);
+          expect(httpStatusCodeFromErrorBuilderMock.build).toHaveBeenCalledWith(
+            appErrorFixture,
+          );
+        });
+
+        it('should return a GraphQLError', () => {
+          const expectedProperties: Partial<GraphQLError> = {
+            extensions: {
+              code: 'API_ERROR',
+              http: {
+                status: statusCodeFixture,
+              },
             },
-          },
-          message: appErrorFixture.message,
-        };
-
-        expect(result).toBeInstanceOf(GraphQLError);
-        expect(result).toStrictEqual(
-          expect.objectContaining(expectedProperties),
-        );
+            message: appErrorFixture.message,
+          };
+
+          expect(result).toBeInstanceOf(GraphQLError);
+          expect(result).toStrictEqual(
+            expect.objectContaining(expectedProperties),
+          );
+        });
       });
     });
   });

diff --git a/packages/backend/libraries/backend-graphql/stryker.conf.json b/packages/backend/libraries/backend-graphql/stryker.conf.json
@@ -0,0 +1,24 @@
+{
+  "checkers": ["typescript"],
+  "cleanTempDir": "always",
+  "coverageAnalysis": "perTest",
+  "disableTypeChecks": "src/**/*.ts",
+  "jest": {
+    "configFile": "./jest.config.stryker.mjs",
+    "enableFindRelatedTests": true,
+    "projectType": "custom"
+  },
+  "mutate": [
+    "src/**/*.ts",
+    "!src/**/*.spec.ts",
+    "!src/**/*{Fixtures,Mocks}.ts"
+  ],
+  "packageManager": "pnpm",
+  "plugins": [
+    "@stryker-mutator/jest-runner",
+    "@stryker-mutator/typescript-checker"
+  ],
+  "tempDirName": "stryker-tmp",
+  "testRunner": "jest",
+  "tsconfigFile": "./tsconfig.json"
+}
diff --git a/packages/backend/libraries/backend-http/.gitignore b/packages/backend/libraries/backend-http/.gitignore
@@ -7,5 +7,11 @@
 # test coverage reports
 /coverage
 
+# Stryker reports
+/reports
+
+# Stryker temp files
+/stryker-tmp
+
 # Turborepo files
 .turbo/
diff --git a/packages/backend/libraries/backend-http/jest.config.stryker.mjs b/packages/backend/libraries/backend-http/jest.config.stryker.mjs
@@ -0,0 +1,9 @@
+import { getJestTsProjectConfig } from '@cornie-js/backend-jest-config';
+
+const tsGlobalConfig = getJestTsProjectConfig(
+  'All',
+  ['/node_modules', '.int.spec.ts'],
+  '.spec.ts',
+);
+
+export default tsGlobalConfig;
diff --git a/packages/backend/libraries/backend-http/package.json b/packages/backend/libraries/backend-http/package.json
@@ -14,6 +14,9 @@
   },
   "devDependencies": {
     "@jest/globals": "29.7.0",
+    "@stryker-mutator/core": "8.2.3",
+    "@stryker-mutator/jest-runner": "8.2.3",
+    "@stryker-mutator/typescript-checker": "8.2.3",
     "@types/node": "20.11.16",
     "@typescript-eslint/eslint-plugin": "6.20.0",
     "@typescript-eslint/parser": "6.20.0",
@@ -51,6 +54,7 @@
     "test:integration:js": "pnpm run test:js --selectProjects Integration",
     "test:js": "jest --config=jest.js.config.mjs --runInBand",
     "test:js:coverage": "pnpm run test:js --coverage",
+    "test:mutation": "stryker run",
     "test:uncommitted": "pnpm run test --changedSince=HEAD",
     "test:unit:js": "pnpm run test:js --selectProjects Unit"
   },

diff --git a/packages/backend/libraries/backend-http/stryker.conf.json b/packages/backend/libraries/backend-http/stryker.conf.json
@@ -0,0 +1,24 @@
+{
+  "checkers": ["typescript"],
+  "cleanTempDir": "always",
+  "coverageAnalysis": "perTest",
+  "disableTypeChecks": "src/**/*.ts",
+  "jest": {
+    "configFile": "./jest.config.stryker.mjs",
+    "enableFindRelatedTests": true,
+    "projectType": "custom"
+  },
+  "mutate": [
+    "src/**/*.ts",
+    "!src/**/*.spec.ts",
+    "!src/**/*{Fixtures,Mocks}.ts"
+  ],
+  "packageManager": "pnpm",
+  "plugins": [
+    "@stryker-mutator/jest-runner",
+    "@stryker-mutator/typescript-checker"
+  ],
+  "tempDirName": "stryker-tmp",
+  "testRunner": "jest",
+  "tsconfigFile": "./tsconfig.json"
+}
diff --git a/packages/backend/libraries/backend-jwt/.gitignore b/packages/backend/libraries/backend-jwt/.gitignore
@@ -7,5 +7,11 @@
 # test coverage reports
 /coverage
 
+# Stryker reports
+/reports
+
+# Stryker temp files
+/stryker-tmp
+
 # Turborepo files
 .turbo/
diff --git a/packages/backend/libraries/backend-jwt/jest.config.stryker.mjs b/packages/backend/libraries/backend-jwt/jest.config.stryker.mjs
@@ -0,0 +1,9 @@
+import { getJestTsProjectConfig } from '@cornie-js/backend-jest-config';
+
+const tsGlobalConfig = getJestTsProjectConfig(
+  'All',
+  ['/node_modules', '.int.spec.ts'],
+  '.spec.ts',
+);
+
+export default tsGlobalConfig;
diff --git a/packages/backend/libraries/backend-jwt/package.json b/packages/backend/libraries/backend-jwt/package.json
@@ -11,6 +11,9 @@
   },
   "devDependencies": {
     "@jest/globals": "29.7.0",
+    "@stryker-mutator/core": "8.2.3",
+    "@stryker-mutator/jest-runner": "8.2.3",
+    "@stryker-mutator/typescript-checker": "8.2.3",
     "@types/node": "20.11.16",
     "@typescript-eslint/eslint-plugin": "6.20.0",
     "@typescript-eslint/parser": "6.20.0",
@@ -47,6 +50,7 @@
     "test:integration:js": "pnpm run test:js --selectProjects Integration",
     "test:js": "jest --config=jest.js.config.mjs --runInBand",
     "test:js:coverage": "pnpm run test:js --coverage",
+    "test:mutation": "stryker run",
     "test:uncommitted": "pnpm run test --changedSince=HEAD",
     "test:unit:js": "pnpm run test:js --selectProjects Unit"
   },

diff --git a/packages/backend/libraries/backend-jwt/stryker.conf.json b/packages/backend/libraries/backend-jwt/stryker.conf.json
@@ -0,0 +1,24 @@
+{
+  "checkers": ["typescript"],
+  "cleanTempDir": "always",
+  "coverageAnalysis": "perTest",
+  "disableTypeChecks": "src/**/*.ts",
+  "jest": {
+    "configFile": "./jest.config.stryker.mjs",
+    "enableFindRelatedTests": true,
+    "projectType": "custom"
+  },
+  "mutate": [
+    "src/**/*.ts",
+    "!src/**/*.spec.ts",
+    "!src/**/*{Fixtures,Mocks}.ts"
+  ],
+  "packageManager": "pnpm",
+  "plugins": [
+    "@stryker-mutator/jest-runner",
+    "@stryker-mutator/typescript-checker"
+  ],
+  "tempDirName": "stryker-tmp",
+  "testRunner": "jest",
+  "tsconfigFile": "./tsconfig.json"
+}