add asdfparser tests

Signed-off-by: Denis Vaumoron <[email protected]>

versionmanager/semantic/parser/asdf/asdfparser.go

@@ -21,6 +21,7 @@ package asdfparser
 import (
 	"bufio"
 	"errors"
+	"io"
 	"io/fs"
 	"os"
 	"strings"
@@ -59,8 +60,12 @@ func retrieveVersionFromToolFile(filePath, toolName string, conf *config.Config)
 	}
 	defer file.Close()
 
+	return parseVersionFromToolFileReader(filePath, file, toolName, conf.Displayer)
+}
+
+func parseVersionFromToolFileReader(filePath string, reader io.Reader, toolName string, displayer loghelper.Displayer) (string, error) {
 	resolvedVersion := ""
-	scanner := bufio.NewScanner(file)
+	scanner := bufio.NewScanner(reader)
 	for scanner.Scan() {
 		trimmedLine := strings.TrimSpace(scanner.Text())
 
@@ -78,7 +83,7 @@ func retrieveVersionFromToolFile(filePath, toolName string, conf *config.Config)
 	}
 
 	if err := scanner.Err(); err != nil {
-		conf.Displayer.Log(hclog.Warn, "Failed to parse tool file", loghelper.Error, err)
+		displayer.Log(hclog.Warn, "Failed to parse tool file", loghelper.Error, err)
 
 		return "", nil
 	}
@@ -87,5 +92,5 @@ func retrieveVersionFromToolFile(filePath, toolName string, conf *config.Config)
 		return "", nil
 	}
 
-	return types.DisplayDetectionInfo(conf.Displayer, resolvedVersion, filePath), nil
+	return types.DisplayDetectionInfo(displayer, resolvedVersion, filePath), nil
 }

versionmanager/semantic/parser/asdf/asdfparser_test.go

@@ -0,0 +1,56 @@
+/*
+ *
+ * Copyright 2024 tofuutils authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package asdfparser
+
+import (
+	"bytes"
+	_ "embed"
+	"testing"
+
+	"github.com/tofuutils/tenv/v3/pkg/loghelper"
+)
+
+//go:embed testdata/.tool-versions
+var toolFileData []byte
+
+func TestParseVersionFromToolFileReader(t *testing.T) {
+	t.Parallel()
+
+	t.Run("BasicLine", func(t *testing.T) {
+		version, err := parseVersionFromToolFileReader("", bytes.NewReader(toolFileData), "nodejs", loghelper.InertDisplayer)
+		if err != nil {
+			t.Fatal("Unexpected parse error : ", err)
+		}
+
+		if version != "10.15.0" {
+			t.Fatal("Unexpected version : ", version)
+		}
+	})
+
+	t.Run("LineWithComment", func(t *testing.T) {
+		version, err := parseVersionFromToolFileReader("", bytes.NewReader(toolFileData), "ruby", loghelper.InertDisplayer)
+		if err != nil {
+			t.Fatal("Unexpected parse error : ", err)
+		}
+
+		if version != "2.5.3" {
+			t.Fatal("Unexpected version : ", version)
+		}
+	})
+}

versionmanager/semantic/parser/asdf/testdata/.tool-versions

@@ -0,0 +1,3 @@
+ruby 2.5.3 # This is a comment
+# This is another comment
+nodejs 10.15.0