tests: add integration test for blob fields

ops/gas_init_test.sh

@@ -41,6 +41,7 @@ create table items (
     rowid integer primary key,
     description text not null default '',
     flavor integer references item_flavor(rowid),
+    data blob not null,
     thing text not null unique,
     created_at integer not null,
     updated_at integer not null

pkg/codegen/modelgenerate/generate_testfile.go

@@ -32,6 +32,24 @@ func GenerateModelTestAST(tbl pkgschema.Table, schema pkgschema.Schema, gomodNam
 					Results: []ast.Expr{
 						&ast.CompositeLit{
 							Type: ast.NewIdent(tbl.GoTypeName),
+							Elts: []ast.Expr{
+								&ast.KeyValueExpr{
+									Key: ast.NewIdent("Data"),
+									Value: &ast.CompositeLit{
+										Type: &ast.ArrayType{
+											Elt: ast.NewIdent("byte"),
+										},
+										Elts: []ast.Expr{},
+									},
+								},
+								&ast.KeyValueExpr{
+									Key: ast.NewIdent("Description"),
+									Value: &ast.BasicLit{
+										Kind:  token.STRING,
+										Value: `""`,
+									},
+								},
+							},
 						},
 					},
 				},
@@ -41,7 +59,7 @@ func GenerateModelTestAST(tbl pkgschema.Table, schema pkgschema.Schema, gomodNam
 
 	testObj := ast.NewIdent("item")
 	testObj2 := ast.NewIdent("item2")
-	fieldName := ast.NewIdent("Description")
+	fieldName := ast.NewIdent("Description") // TODO
 	description1 := `"an item"`
 	description2 := `"a big item"`
 	testDB := ast.NewIdent("TestDB")
@@ -72,19 +90,27 @@ func GenerateModelTestAST(tbl pkgschema.Table, schema pkgschema.Schema, gomodNam
 				stmts := []ast.Stmt{
 					Comment("Create"),
 
-					// item := Item{Description: "an item"}
+					// item := MakeItem()
 					&ast.AssignStmt{
 						Lhs: []ast.Expr{testObj},
 						Tok: token.DEFINE,
-						Rhs: []ast.Expr{&ast.CompositeLit{
-							Type: ast.NewIdent(tbl.GoTypeName),
-							Elts: []ast.Expr{
-								&ast.KeyValueExpr{
-									Key:   fieldName,
-									Value: &ast.BasicLit{Kind: token.STRING, Value: description1},
-								},
+						Rhs: []ast.Expr{&ast.CallExpr{Fun: ast.NewIdent("MakeItem"), Args: nil}},
+					},
+					// item.Description = "an item"
+					&ast.AssignStmt{
+						Lhs: []ast.Expr{
+							&ast.SelectorExpr{
+								X:   ast.NewIdent("item"),
+								Sel: ast.NewIdent("Description"),
 							},
-						}},
+						},
+						Tok: token.ASSIGN,
+						Rhs: []ast.Expr{
+							&ast.BasicLit{
+								Kind:  token.STRING,
+								Value: `"an item"`,
+							},
+						},
 					},
 
 					// TestDB.SaveItem(&item)