test: add policies unit tests

test/operations/policies/alterPolicy.spec.ts

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+import { describe, expect, it } from 'vitest';
+import { alterPolicy } from '../../../src/operations/policies';
+import { options1 } from '../../utils';
+
+describe('operations', () => {
+  describe('policies', () => {
+    describe('alterPolicy', () => {
+      const alterPolicyFn = alterPolicy(options1);
+
+      it('should return a function', () => {
+        expect(alterPolicyFn).toBeTypeOf('function');
+      });
+
+      // TODO @Shinigami92 2024-03-09: This should throw an error
+      it('should return sql statement', () => {
+        const statement = alterPolicyFn('my_table', 'p1', {});
+
+        expect(statement).toBeTypeOf('string');
+        expect(statement).toStrictEqual('ALTER POLICY "p1" ON "my_table" ;');
+      });
+
+      it('should return sql statement with policyOptions', () => {
+        const statement = alterPolicyFn('my_table', 'p1', {
+          role: 'CURRENT_USER',
+          check: 'true',
+          using: 'true',
+        });
+
+        expect(statement).toBeTypeOf('string');
+        expect(statement).toStrictEqual(
+          'ALTER POLICY "p1" ON "my_table" TO CURRENT_USER USING (true) WITH CHECK (true);'
+        );
+      });
+    });
+  });
+});

test/operations/policies/createPolicy.spec.ts

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+import { describe, expect, it } from 'vitest';
+import { createPolicy } from '../../../src/operations/policies';
+import { options1 } from '../../utils';
+
+describe('operations', () => {
+  describe('policies', () => {
+    describe('createPolicy', () => {
+      const createPolicyFn = createPolicy(options1);
+
+      it('should return a function', () => {
+        expect(createPolicyFn).toBeTypeOf('function');
+      });
+
+      it('should return sql statement', () => {
+        const statement = createPolicyFn('my_table', 'p1');
+
+        expect(statement).toBeTypeOf('string');
+        expect(statement).toStrictEqual(
+          'CREATE POLICY "p1" ON "my_table" FOR ALL TO PUBLIC;'
+        );
+      });
+
+      it('should return sql statement with policyOptions', () => {
+        const statement = createPolicyFn('my_table', 'p1', {
+          role: 'CURRENT_USER',
+          check: 'true',
+          using: 'true',
+          command: 'SELECT',
+          ifExists: true,
+        });
+
+        expect(statement).toBeTypeOf('string');
+        expect(statement).toStrictEqual(
+          'CREATE POLICY "p1" ON "my_table" FOR SELECT TO CURRENT_USER USING (true) WITH CHECK (true);'
+        );
+      });
+
+      it('should return sql statement with schema', () => {
+        const statement = createPolicyFn(
+          { name: 'my_table', schema: 'myschema' },
+          'p1'
+        );
+
+        expect(statement).toBeTypeOf('string');
+        expect(statement).toStrictEqual(
+          'CREATE POLICY "p1" ON "myschema"."my_table" FOR ALL TO PUBLIC;'
+        );
+      });
+
+      describe('reverse', () => {
+        it('should contain a reverse function', () => {
+          expect(createPolicyFn.reverse).toBeTypeOf('function');
+        });
+
+        it('should return sql statement', () => {
+          const statement = createPolicyFn.reverse('my_table', 'p1');
+
+          expect(statement).toBeTypeOf('string');
+          expect(statement).toBe('DROP POLICY "p1" ON "my_table";');
+        });
+      });
+    });
+  });
+});

test/operations/policies/dropPolicy.spec.ts

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+import { describe, expect, it } from 'vitest';
+import { dropPolicy } from '../../../src/operations/policies';
+import { options1 } from '../../utils';
+
+describe('operations', () => {
+  describe('policies', () => {
+    describe('dropPolicy', () => {
+      const dropPolicyFn = dropPolicy(options1);
+
+      it('should return a function', () => {
+        expect(dropPolicyFn).toBeTypeOf('function');
+      });
+
+      it('should return sql statement', () => {
+        const statement = dropPolicyFn('my_table', 'p1');
+
+        expect(statement).toBeTypeOf('string');
+        expect(statement).toStrictEqual('DROP POLICY "p1" ON "my_table";');
+      });
+
+      it('should return sql statement with dropOptions', () => {
+        const statement = dropPolicyFn('my_table', 'p1', {
+          ifExists: true,
+        });
+
+        expect(statement).toBeTypeOf('string');
+        expect(statement).toStrictEqual(
+          'DROP POLICY IF EXISTS "p1" ON "my_table";'
+        );
+      });
+    });
+  });
+});

test/operations/policies/renamePolicy.spec.ts

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+import { describe, expect, it } from 'vitest';
+import { renamePolicy } from '../../../src/operations/policies';
+import { options1 } from '../../utils';
+
+describe('operations', () => {
+  describe('policies', () => {
+    describe('renamePolicy', () => {
+      const renamePolicyFn = renamePolicy(options1);
+
+      it('should return a function', () => {
+        expect(renamePolicyFn).toBeTypeOf('function');
+      });
+
+      it('should return sql statement', () => {
+        const statement = renamePolicyFn('my_table', 'p1', 'p2');
+
+        expect(statement).toBeTypeOf('string');
+        expect(statement).toStrictEqual(
+          'ALTER POLICY "p1" ON "my_table" RENAME TO "p2";'
+        );
+      });
+
+      it('should return sql statement with schema', () => {
+        const statement = renamePolicyFn(
+          { name: 'my_table', schema: 'myschema' },
+          'p1',
+          'p2'
+        );
+
+        expect(statement).toBeTypeOf('string');
+        expect(statement).toStrictEqual(
+          'ALTER POLICY "p1" ON "myschema"."my_table" RENAME TO "p2";'
+        );
+      });
+
+      describe('reverse', () => {
+        it('should contain a reverse function', () => {
+          expect(renamePolicyFn.reverse).toBeTypeOf('function');
+        });
+
+        it('should return sql statement', () => {
+          const statement = renamePolicyFn.reverse('my_table', 'p1', 'p2');
+
+          expect(statement).toBeTypeOf('string');
+          expect(statement).toBe(
+            'ALTER POLICY "p2" ON "my_table" RENAME TO "p1";'
+          );
+        });
+      });
+    });
+  });
+});