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package models
import (
"strings"
"testing"
)
func TestRoleMsgToTextWithImages(t *testing.T) {
tests := []struct {
name string
msg RoleMsg
index int
expected string // substring to check
}{
{
name: "text and image",
index: 0,
msg: func() RoleMsg {
msg := NewMultimodalMsg("user", []interface{}{})
msg.AddTextPart("Look at this picture")
msg.AddImagePart("data:image/jpeg;base64,abc123", "/home/user/Pictures/cat.jpg")
return msg
}(),
expected: "[orange::i][image: /home/user/Pictures/cat.jpg][-:-:-]",
},
{
name: "image only",
index: 1,
msg: func() RoleMsg {
msg := NewMultimodalMsg("user", []interface{}{})
msg.AddImagePart("data:image/png;base64,xyz789", "/tmp/screenshot_20250217_123456.png")
return msg
}(),
expected: "[orange::i][image: /tmp/screenshot_20250217_123456.png][-:-:-]",
},
{
name: "long filename truncated",
index: 2,
msg: func() RoleMsg {
msg := NewMultimodalMsg("user", []interface{}{})
msg.AddTextPart("Check this")
msg.AddImagePart("data:image/jpeg;base64,foo", "/very/long/path/to/a/really_long_filename_that_exceeds_forty_characters.jpg")
return msg
}(),
expected: "[orange::i][image: .../to/a/really_long_filename_that_exceeds_forty_characters.jpg][-:-:-]",
},
{
name: "multiple images",
index: 3,
msg: func() RoleMsg {
msg := NewMultimodalMsg("user", []interface{}{})
msg.AddTextPart("Multiple images")
msg.AddImagePart("data:image/jpeg;base64,a", "/path/img1.jpg")
msg.AddImagePart("data:image/png;base64,b", "/path/img2.png")
return msg
}(),
expected: "[orange::i][image: /path/img1.jpg][-:-:-]\n[orange::i][image: /path/img2.png][-:-:-]",
},
{
name: "old format without path",
index: 4,
msg: RoleMsg{
Role: "user",
hasContentParts: true,
ContentParts: []interface{}{
map[string]interface{}{
"type": "image_url",
"image_url": map[string]interface{}{
"url": "data:image/jpeg;base64,old",
},
},
},
},
expected: "[orange::i][image: image][-:-:-]",
},
{
name: "old format with path",
index: 5,
msg: RoleMsg{
Role: "user",
hasContentParts: true,
ContentParts: []interface{}{
map[string]interface{}{
"type": "image_url",
"path": "/old/path/photo.jpg",
"image_url": map[string]interface{}{
"url": "data:image/jpeg;base64,old",
},
},
},
},
expected: "[orange::i][image: /old/path/photo.jpg][-:-:-]",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
result := tt.msg.ToText(tt.index)
if !strings.Contains(result, tt.expected) {
t.Errorf("ToText() result does not contain expected indicator\ngot: %s\nwant substring: %s", result, tt.expected)
}
// Ensure the indicator appears before text content
if strings.Contains(tt.expected, "cat.jpg") && strings.Contains(result, "Look at this picture") {
indicatorPos := strings.Index(result, "[orange::i][image: /home/user/Pictures/cat.jpg][-:-:-]")
textPos := strings.Index(result, "Look at this picture")
if indicatorPos == -1 || textPos == -1 || indicatorPos >= textPos {
t.Errorf("image indicator should appear before text")
}
}
})
}
}
func TestExtractDisplayPath(t *testing.T) {
// Save original base dir
originalBaseDir := imageBaseDir
defer func() { imageBaseDir = originalBaseDir }()
tests := []struct {
name string
baseDir string
path string
expected string
}{
{
name: "no base dir shows full path",
baseDir: "",
path: "/home/user/images/cat.jpg",
expected: "/home/user/images/cat.jpg",
},
{
name: "relative path within base dir",
baseDir: "/home/user",
path: "/home/user/images/cat.jpg",
expected: "images/cat.jpg",
},
{
name: "path outside base dir shows full path",
baseDir: "/home/user",
path: "/tmp/test.jpg",
expected: "/tmp/test.jpg",
},
{
name: "same directory",
baseDir: "/home/user/images",
path: "/home/user/images/cat.jpg",
expected: "cat.jpg",
},
{
name: "long path truncated",
baseDir: "",
path: "/very/long/path/to/a/really_long_filename_that_exceeds_sixty_characters_limit_yes_it_is_very_long.jpg",
expected: "..._that_exceeds_sixty_characters_limit_yes_it_is_very_long.jpg",
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
imageBaseDir = tt.baseDir
result := extractDisplayPath(tt.path)
if result != tt.expected {
t.Errorf("extractDisplayPath(%q) with baseDir=%q = %q, want %q",
tt.path, tt.baseDir, result, tt.expected)
}
})
}
}
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