test(mcp): add image tool test and consolidate MCP test fixtures (#7019)

Signed-off-by: Adrian Cole <adrian@tetrate.io>

crates/goose/src/providers/chatgpt_codex.rs

@@ -997,6 +997,7 @@ impl Provider for ChatGptCodexProvider {
 mod tests {
     use super::*;
     use crate::conversation::message::Message;
+    use goose_test_support::TEST_IMAGE_B64;
     use jsonwebtoken::{Algorithm, EncodingKey, Header};
     use rmcp::model::{CallToolRequestParams, CallToolResult, Content, ErrorCode, ErrorData};
     use rmcp::object;
@@ -1004,9 +1005,6 @@ mod tests {
     use wiremock::matchers::{body_string_contains, method, path};
     use wiremock::{Mock, MockServer, ResponseTemplate};
 
-    /// 1x1 transparent PNG, base64-encoded.
-    const TINY_PNG_B64: &str = "iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR4nGNgYAAAAAMAASsJTYQAAAAASUVORK5CYII=";
-
     fn input_kinds(payload: &Value) -> Vec<String> {
         payload["input"]
             .as_array()
@@ -1106,7 +1104,7 @@ mod tests {
         vec![
             Message::user()
                 .with_text("describe this")
-                .with_image(TINY_PNG_B64, "image/png"),
+                .with_image(TEST_IMAGE_B64, "image/png"),
         ],
         vec![
             "message:user".to_string(),
@@ -1122,7 +1120,7 @@ mod tests {
 
     #[test]
     fn test_image_url_format() {
-        let messages = vec![Message::user().with_image(TINY_PNG_B64, "image/png")];
+        let messages = vec![Message::user().with_image(TEST_IMAGE_B64, "image/png")];
         let items = build_input_items(&messages).unwrap();
         // The image is inside the content array of the user message
         let content = items[0]["content"].as_array().unwrap();

crates/goose/src/providers/codex.rs

@@ -670,11 +670,9 @@ impl Provider for CodexProvider {
 #[cfg(test)]
 mod tests {
     use super::*;
+    use goose_test_support::TEST_IMAGE_B64;
     use test_case::test_case;
 
-    /// 1x1 transparent PNG, base64-encoded.
-    const TINY_PNG_B64: &str = "iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR4nGNgYAAAAAMAASsJTYQAAAAASUVORK5CYII=";
-
     #[test]
     fn test_codex_metadata() {
         let metadata = CodexProvider::metadata();
@@ -694,7 +692,7 @@ mod tests {
         let dir = tempfile::tempdir().unwrap();
         let messages = vec![Message::user()
             .with_text("Describe")
-            .with_image(TINY_PNG_B64, mime)];
+            .with_image(TEST_IMAGE_B64, mime)];
         let (_prompt, temp_files) = prepare_input("", &messages, dir.path()).unwrap();
         assert_eq!(temp_files.len(), 1);
         let path = temp_files[0].path();
@@ -712,7 +710,7 @@ mod tests {
         let dir = tempfile::tempdir().unwrap();
         let messages = vec![Message::user()
             .with_text("Describe")
-            .with_image(TINY_PNG_B64, mime)];
+            .with_image(TEST_IMAGE_B64, mime)];
         let err = prepare_input("", &messages, dir.path()).unwrap_err();
         assert!(
             err.to_string().contains("Unsupported image MIME type"),

crates/goose/src/providers/formats/bedrock.rs

@@ -386,11 +386,9 @@ pub fn from_bedrock_json(document: &Document) -> Result<Value> {
 mod tests {
     use super::*;
     use anyhow::Result;
+    use goose_test_support::TEST_IMAGE_B64;
     use rmcp::model::{AnnotateAble, RawImageContent};
 
-    // Base64 encoded 1x1 PNG image for testing
-    const TEST_IMAGE_BASE64: &str = "iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mP8/5+hHgAHggJ/PchI7wAAAABJRU5ErkJggg==";
-
     #[test]
     fn test_to_bedrock_image_supported_formats() -> Result<()> {
         let supported_formats = [
@@ -403,7 +401,7 @@ mod tests {
 
         for mime_type in supported_formats {
             let image = RawImageContent {
-                data: TEST_IMAGE_BASE64.to_string(),
+                data: TEST_IMAGE_B64.to_string(),
                 mime_type: mime_type.to_string(),
                 meta: None,
             }
@@ -419,7 +417,7 @@ mod tests {
     #[test]
     fn test_to_bedrock_image_unsupported_format() {
         let image = RawImageContent {
-            data: TEST_IMAGE_BASE64.to_string(),
+            data: TEST_IMAGE_B64.to_string(),
             mime_type: "image/bmp".to_string(),
             meta: None,
         }
@@ -450,7 +448,7 @@ mod tests {
     #[test]
     fn test_to_bedrock_message_content_image() -> Result<()> {
         let image = RawImageContent {
-            data: TEST_IMAGE_BASE64.to_string(),
+            data: TEST_IMAGE_B64.to_string(),
             mime_type: "image/png".to_string(),
             meta: None,
         }
@@ -467,7 +465,7 @@ mod tests {
 
     #[test]
     fn test_to_bedrock_tool_result_content_block_image() -> Result<()> {
-        let content = Content::image(TEST_IMAGE_BASE64.to_string(), "image/png".to_string());
+        let content = Content::image(TEST_IMAGE_B64.to_string(), "image/png".to_string());
         let result = to_bedrock_tool_result_content_block("test_id", content)?;
 
         // Verify the wrapper correctly converts Content::Image to ToolResultContentBlock::Image

crates/goose/src/providers/ollama.rs

@@ -38,6 +38,7 @@ pub const OLLAMA_DEFAULT_PORT: u16 = 11434;
 pub const OLLAMA_DEFAULT_MODEL: &str = "qwen3";
 pub const OLLAMA_KNOWN_MODELS: &[&str] = &[
     OLLAMA_DEFAULT_MODEL,
+    "qwen3-vl",
     "qwen3-coder:30b",
     "qwen3-coder:480b-cloud",
 ];