Move parser to internal package

internal/sql/parser/update_test.go

@@ -0,0 +1,83 @@
+package parser_test
+
+import (
+	"testing"
+
+	"github.com/genjidb/genji/document"
+	"github.com/genjidb/genji/internal/query"
+	"github.com/genjidb/genji/internal/sql/parser"
+	"github.com/genjidb/genji/internal/stream"
+	"github.com/genjidb/genji/internal/testutil"
+	"github.com/stretchr/testify/require"
+)
+
+func TestParserUpdate(t *testing.T) {
+	tests := []struct {
+		name     string
+		s        string
+		expected *stream.Stream
+		errored  bool
+	}{
+		{"SET/No cond", "UPDATE test SET a = 1",
+			stream.New(stream.SeqScan("test")).
+				Pipe(stream.Set(document.Path(testutil.ParsePath(t, "a")), testutil.IntegerValue(1))).
+				Pipe(stream.TableReplace("test")),
+			false,
+		},
+		{"SET/With cond", "UPDATE test SET a = 1, b = 2 WHERE age = 10",
+			stream.New(stream.SeqScan("test")).
+				Pipe(stream.Filter(parser.MustParseExpr("age = 10"))).
+				Pipe(stream.Set(document.Path(testutil.ParsePath(t, "a")), testutil.IntegerValue(1))).
+				Pipe(stream.Set(document.Path(testutil.ParsePath(t, "b")), parser.MustParseExpr("2"))).
+				Pipe(stream.TableReplace("test")),
+			false,
+		},
+		{"SET/No cond path with backquotes", "UPDATE test SET `   some \"path\" ` = 1",
+			stream.New(stream.SeqScan("test")).
+				Pipe(stream.Set(document.Path(testutil.ParsePath(t, "`   some \"path\" `")), testutil.IntegerValue(1))).
+				Pipe(stream.TableReplace("test")),
+			false,
+		},
+		{"SET/No cond nested path", "UPDATE test SET a.b = 1",
+			stream.New(stream.SeqScan("test")).
+				Pipe(stream.Set(document.Path(testutil.ParsePath(t, "a.b")), testutil.IntegerValue(1))).
+				Pipe(stream.TableReplace("test")),
+			false,
+		},
+		{"UNSET/No cond", "UPDATE test UNSET a",
+			stream.New(stream.SeqScan("test")).
+				Pipe(stream.Unset("a")).
+				Pipe(stream.TableReplace("test")),
+			false,
+		},
+		{"UNSET/With cond", "UPDATE test UNSET a, b WHERE age = 10",
+			stream.New(stream.SeqScan("test")).
+				Pipe(stream.Filter(parser.MustParseExpr("age = 10"))).
+				Pipe(stream.Unset("a")).
+				Pipe(stream.Unset("b")).
+				Pipe(stream.TableReplace("test")),
+			false,
+		},
+		{"Trailing comma", "UPDATE test SET a = 1, WHERE age = 10", nil, true},
+		{"No SET", "UPDATE test WHERE age = 10", nil, true},
+		{"No pair", "UPDATE test SET WHERE age = 10", nil, true},
+		{"query.Field only", "UPDATE test SET a WHERE age = 10", nil, true},
+		{"No value", "UPDATE test SET a = WHERE age = 10", nil, true},
+	}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			q, err := parser.ParseQuery(test.s)
+			if test.errored {
+				require.Error(t, err)
+				return
+			}
+
+			require.NoError(t, err)
+			require.Len(t, q.Statements, 1)
+			stmt := q.Statements[0].(*query.StreamStmt)
+			require.False(t, stmt.ReadOnly)
+			require.EqualValues(t, test.expected, stmt.Stream)
+		})
+	}
+}