cache: replace the all-in-one query parser by a complete one with AST/lexer/parser

1 files changed, 98 insertions, 0 deletions

diff --git a/query/parser_test.go b/query/parser_test.go
new file mode 100644
index 00000000..065e647a
--- /dev/null
+++ b/query/parser_test.go
@@ -0,0 +1,98 @@
+package query
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+
+	"github.com/MichaelMure/git-bug/bug"
+	"github.com/MichaelMure/git-bug/query/ast"
+)
+
+func TestParse(t *testing.T) {
+	var tests = []struct {
+		input  string
+		output *ast.Query
+	}{
+		{"gibberish", nil},
+		{"status:", nil},
+		{":value", nil},
+
+		{"status:open", &ast.Query{
+			Filters: ast.Filters{Status: []bug.Status{bug.OpenStatus}},
+		}},
+		{"status:closed", &ast.Query{
+			Filters: ast.Filters{Status: []bug.Status{bug.ClosedStatus}},
+		}},
+		{"status:unknown", nil},
+
+		{"author:rene", &ast.Query{
+			Filters: ast.Filters{Author: []string{"rene"}},
+		}},
+		{`author:"René Descartes"`, &ast.Query{
+			Filters: ast.Filters{Author: []string{"René Descartes"}},
+		}},
+
+		{"actor:bernhard", &ast.Query{
+			Filters: ast.Filters{Actor: []string{"bernhard"}},
+		}},
+		{"participant:leonhard", &ast.Query{
+			Filters: ast.Filters{Participant: []string{"leonhard"}},
+		}},
+
+		{"label:hello", &ast.Query{
+			Filters: ast.Filters{Label: []string{"hello"}},
+		}},
+		{`label:"Good first issue"`, &ast.Query{
+			Filters: ast.Filters{Label: []string{"Good first issue"}},
+		}},
+
+		{"title:titleOne", &ast.Query{
+			Filters: ast.Filters{Title: []string{"titleOne"}},
+		}},
+		{`title:"Bug titleTwo"`, &ast.Query{
+			Filters: ast.Filters{Title: []string{"Bug titleTwo"}},
+		}},
+
+		{"no:label", &ast.Query{
+			Filters: ast.Filters{NoLabel: true},
+		}},
+
+		{"sort:edit", &ast.Query{
+			OrderBy: ast.OrderByEdit,
+		}},
+		{"sort:unknown", nil},
+
+		{`status:open author:"René Descartes" participant:leonhard label:hello label:"Good first issue" sort:edit-desc`,
+			&ast.Query{
+				Filters: ast.Filters{
+					Status:      []bug.Status{bug.OpenStatus},
+					Author:      []string{"René Descartes"},
+					Participant: []string{"leonhard"},
+					Label:       []string{"hello", "Good first issue"},
+				},
+				OrderBy:        ast.OrderByEdit,
+				OrderDirection: ast.OrderDescending,
+			},
+		},
+	}
+
+	for _, tc := range tests {
+		t.Run(tc.input, func(t *testing.T) {
+			query, err := Parse(tc.input)
+			if tc.output == nil {
+				assert.Error(t, err)
+				assert.Nil(t, query)
+			} else {
+				assert.NoError(t, err)
+				if tc.output.OrderBy != 0 {
+					assert.Equal(t, tc.output.OrderBy, query.OrderBy)
+				}
+				if tc.output.OrderDirection != 0 {
+					assert.Equal(t, tc.output.OrderDirection, query.OrderDirection)
+				}
+				assert.Equal(t, tc.output.Filters, query.Filters)
+			}
+		})
+	}
+}