Function TestConfigAddFunctionDecls

common/env/env_test.go:461–525

(t *testing.T)

}

func TestConfigAddFunctionDecls(t *testing.T) {
	tests := []struct {
		name string
		in   *decls.FunctionDecl
		out  *Function
	}{
		{
			name: "nil function decl",
		},
		{
			name: "global function decl",
			in: mustNewFunction(t, "size",
				decls.Overload("size_string", []*types.Type{types.StringType}, types.IntType),
			),
			out: NewFunction("size",
				NewOverload("size_string", []*TypeDesc{NewTypeDesc("string")}, NewTypeDesc("int")),
			),
		},
		{
			name: "global function decl - nullable arg",
			in: mustNewFunction(t, "size",
				decls.Overload("size_wrapper_string", []*types.Type{types.NewNullableType(types.StringType)}, types.IntType),
			),
			out: NewFunction("size",
				NewOverload("size_wrapper_string", []*TypeDesc{NewTypeDesc("google.protobuf.StringValue")}, NewTypeDesc("int")),
			),
		},
		{
			name: "member function decl - nullable arg",
			in: mustNewFunction(t, "size",
				decls.MemberOverload("list_size", []*types.Type{types.NewListType(types.NewTypeParamType("T"))}, types.IntType),
				decls.MemberOverload("string_size", []*types.Type{types.StringType}, types.IntType),
			),
			out: NewFunction("size",
				NewMemberOverload("list_size", NewTypeDesc("list", NewTypeParam("T")), []*TypeDesc{}, NewTypeDesc("int")),
				NewMemberOverload("string_size", NewTypeDesc("string"), []*TypeDesc{}, NewTypeDesc("int")),
			),
		},
		{
			name: "global function decl - with doc",
			in: mustNewFunction(t, "size",
				decls.FunctionDocs("return the number of unicode code points", "in a string"),
				decls.Overload("size_string", []*types.Type{types.StringType}, types.IntType,
					decls.OverloadExamples(`'hello'.size() // 5`)),
			),
			out: NewFunctionWithDoc("size",
				"return the number of unicode code points\nin a string",
				NewOverload("size_string", []*TypeDesc{NewTypeDesc("string")}, NewTypeDesc("int"),
					`'hello'.size() // 5`),
			),
		},
	}
	for _, tst := range tests {
		tc := tst
		t.Run(tc.name, func(t *testing.T) {
			conf := NewConfig(tc.name).AddFunctionDecls(tc.in)
			if len(conf.Functions) != 1 {
				t.Fatalf("AddFunctionDecls() did not add declaration to conf: %v", conf)