codegen: use "require.NoError(...)" when saving objects that return errors

pkg/codegen/modelgenerate/generate_testfile.go

@@ -118,6 +118,103 @@ func GenerateModelTestAST(tbl pkgschema.Table, schema pkgschema.Schema, gomodNam
 		},
 	}
 
+	// Generate FK Check test func first, because it also detects whether there are foreign keys
+	shouldIncludeTestFkCheck := false
+	testFkChecking := &ast.FuncDecl{
+		Name: ast.NewIdent("Test" + tbl.GoTypeName + "FkChecking"),
+		Type: testFuncType,
+		Body: &ast.BlockStmt{
+			List: func() (stmts []ast.Stmt) {
+				isFirst := true
+				for _, col := range tbl.Columns {
+					if !col.IsForeignKey {
+						continue
+					}
+					shouldIncludeTestFkCheck = true
+
+					// post := MakePost()
+					if !isFirst {
+						stmts = append(stmts, BlankLine())
+					}
+
+					stmts = append(stmts, []ast.Stmt{
+						// Comment header
+						Comment(fmt.Sprintf("Invalid %s", col.GoFieldName())),
+
+						// `Invalid
+						&ast.AssignStmt{
+							Lhs: []ast.Expr{ast.NewIdent(tbl.VarName)},
+							Tok: map[bool]token.Token{true: token.DEFINE, false: token.ASSIGN}[isFirst],
+							Rhs: []ast.Expr{
+								&ast.CallExpr{
+									Fun: ast.NewIdent("Make" + tbl.GoTypeName),
+								},
+							},
+						},
+
+						// `post.QuotedPostID = 94354538969386985`
+						&ast.AssignStmt{
+							Lhs: []ast.Expr{
+								&ast.SelectorExpr{
+									X:   ast.NewIdent(tbl.VarName),
+									Sel: ast.NewIdent(col.GoFieldName()),
+								},
+							},
+							Tok: token.ASSIGN,
+							Rhs: []ast.Expr{
+								&ast.BasicLit{
+									Kind:  token.INT,
+									Value: "94354538969386985",
+								},
+							},
+						},
+
+						// `err := db.SavePost(&post)`
+						&ast.AssignStmt{
+							Lhs: []ast.Expr{ast.NewIdent("err")},
+							Tok: map[bool]token.Token{true: token.DEFINE, false: token.ASSIGN}[isFirst],
+							Rhs: []ast.Expr{
+								&ast.CallExpr{
+									Fun: &ast.SelectorExpr{
+										X:   testDB,
+										Sel: ast.NewIdent("Save" + tbl.GoTypeName),
+									},
+									Args: []ast.Expr{
+										&ast.UnaryExpr{
+											Op: token.AND,
+											X:  ast.NewIdent(tbl.VarName),
+										},
+									},
+								},
+							},
+						},
+
+						// `assertForeignKeyError(t, err, "QuotedPostID", post.QuotedPostID)`
+						&ast.ExprStmt{
+							X: &ast.CallExpr{
+								Fun: ast.NewIdent("AssertForeignKeyError"),
+								Args: []ast.Expr{
+									ast.NewIdent("t"),
+									ast.NewIdent("err"),
+									&ast.BasicLit{
+										Kind:  token.STRING,
+										Value: fmt.Sprintf("%q", col.GoFieldName()),
+									},
+									&ast.SelectorExpr{
+										X:   ast.NewIdent(tbl.VarName),
+										Sel: ast.NewIdent(col.GoFieldName()),
+									},
+								},
+							},
+						},
+					}...)
+					isFirst = false
+				}
+				return stmts
+			}(),
+		},
+	}
+
 	testCreateUpdateDelete := &ast.FuncDecl{
 		Name: ast.NewIdent("TestCreateUpdateDelete" + tbl.GoTypeName),
 		Type: testFuncType,
@@ -156,11 +253,21 @@ func GenerateModelTestAST(tbl pkgschema.Table, schema pkgschema.Schema, gomodNam
 						},
 					},
 
-					// TestDB.SaveItem(&item)
+					// TestDB.SaveItem(&item), possibly with error check
-					&ast.ExprStmt{X: &ast.CallExpr{
+					&ast.ExprStmt{X: func() *ast.CallExpr {
+						mainExpr := &ast.CallExpr{
 							Fun:  &ast.SelectorExpr{X: testDB, Sel: ast.NewIdent("Save" + tbl.GoTypeName)},
 							Args: []ast.Expr{&ast.UnaryExpr{Op: token.AND, X: testObj}},
-					}},
+						}
+						if shouldIncludeTestFkCheck {
+							// Also a check for whether the Save function returns an error
+							return &ast.CallExpr{
+								Fun:  &ast.SelectorExpr{X: ast.NewIdent("require"), Sel: ast.NewIdent("NoError")},
+								Args: []ast.Expr{ast.NewIdent("t"), mainExpr},
+							}
+						}
+						return mainExpr
+					}()},
 
 					// require.NotZero(t, item.ID)
 					&ast.ExprStmt{X: &ast.CallExpr{
@@ -318,102 +425,6 @@ func GenerateModelTestAST(tbl pkgschema.Table, schema pkgschema.Schema, gomodNam
 		},
 	}
 
-	shouldIncludeTestFkCheck := false
-	testFkChecking := &ast.FuncDecl{
-		Name: ast.NewIdent("Test" + tbl.GoTypeName + "FkChecking"),
-		Type: testFuncType,
-		Body: &ast.BlockStmt{
-			List: func() (stmts []ast.Stmt) {
-				isFirst := true
-				for _, col := range tbl.Columns {
-					if !col.IsForeignKey {
-						continue
-					}
-					shouldIncludeTestFkCheck = true
-
-					// post := MakePost()
-					if !isFirst {
-						stmts = append(stmts, BlankLine())
-					}
-
-					stmts = append(stmts, []ast.Stmt{
-						// Comment header
-						Comment(fmt.Sprintf("Invalid %s", col.GoFieldName())),
-
-						// `Invalid BlahBlahID`
-						&ast.AssignStmt{
-							Lhs: []ast.Expr{ast.NewIdent(tbl.VarName)},
-							Tok: map[bool]token.Token{true: token.DEFINE, false: token.ASSIGN}[isFirst],
-							Rhs: []ast.Expr{
-								&ast.CallExpr{
-									Fun: ast.NewIdent("Make" + tbl.GoTypeName),
-								},
-							},
-						},
-
-						// `post.QuotedPostID = 94354538969386985`
-						&ast.AssignStmt{
-							Lhs: []ast.Expr{
-								&ast.SelectorExpr{
-									X:   ast.NewIdent(tbl.VarName),
-									Sel: ast.NewIdent(col.GoFieldName()),
-								},
-							},
-							Tok: token.ASSIGN,
-							Rhs: []ast.Expr{
-								&ast.BasicLit{
-									Kind:  token.INT,
-									Value: "94354538969386985",
-								},
-							},
-						},
-
-						// `err := db.SavePost(&post)`
-						&ast.AssignStmt{
-							Lhs: []ast.Expr{ast.NewIdent("err")},
-							Tok: map[bool]token.Token{true: token.DEFINE, false: token.ASSIGN}[isFirst],
-							Rhs: []ast.Expr{
-								&ast.CallExpr{
-									Fun: &ast.SelectorExpr{
-										X:   testDB,
-										Sel: ast.NewIdent("Save" + tbl.GoTypeName),
-									},
-									Args: []ast.Expr{
-										&ast.UnaryExpr{
-											Op: token.AND,
-											X:  ast.NewIdent(tbl.VarName),
-										},
-									},
-								},
-							},
-						},
-
-						// `assertForeignKeyError(t, err, "QuotedPostID", post.QuotedPostID)`
-						&ast.ExprStmt{
-							X: &ast.CallExpr{
-								Fun: ast.NewIdent("AssertForeignKeyError"),
-								Args: []ast.Expr{
-									ast.NewIdent("t"),
-									ast.NewIdent("err"),
-									&ast.BasicLit{
-										Kind:  token.STRING,
-										Value: fmt.Sprintf("%q", col.GoFieldName()),
-									},
-									&ast.SelectorExpr{
-										X:   ast.NewIdent(tbl.VarName),
-										Sel: ast.NewIdent(col.GoFieldName()),
-									},
-								},
-							},
-						},
-					}...)
-					isFirst = false
-				}
-				return stmts
-			}(),
-		},
-	}
-
 	testList := []ast.Decl{
 		makeItemFunc,
 		testCreateUpdateDelete,