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test: add comprehensive tests for McpConfigAnalyzer service
- Test project dependency detection for Node.js, Python, and Docker projects - Test recommendation generation with confidence scoring - Test edge cases and error handling - Ensure proper mocking of file system operations - All 15 tests passing
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-87
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2 files changed

+656
-87
lines changed

‎src/services/mcp/McpConfigAnalyzer.ts‎

Lines changed: 133 additions & 87 deletions
Original file line numberDiff line numberDiff line change
@@ -160,87 +160,107 @@ export class McpConfigAnalyzer {
160160
const workspacePath = this.workspaceFolder.uri.fsPath
161161

162162
// Check for package.json (Node.js projects)
163-
const packageJsonPath = path.join(workspacePath, "package.json")
164-
if (await fileExistsAtPath(packageJsonPath)) {
165-
try {
166-
const content = await fs.readFile(packageJsonPath, "utf-8")
167-
const packageData = JSON.parse(content)
168-
169-
// Add npm dependencies
170-
const allDeps = {
171-
...packageData.dependencies,
172-
...packageData.devDependencies,
173-
}
163+
try {
164+
const packageJsonPath = path.join(workspacePath, "package.json")
165+
if (await fileExistsAtPath(packageJsonPath)) {
166+
try {
167+
const content = await fs.readFile(packageJsonPath, "utf-8")
168+
const packageData = JSON.parse(content)
169+
170+
// Add npm dependencies
171+
const allDeps = {
172+
...packageData.dependencies,
173+
...packageData.devDependencies,
174+
}
174175

175-
for (const [name, version] of Object.entries(allDeps)) {
176-
dependencies.push({
177-
name,
178-
type: "npm",
179-
version: version as string,
180-
})
176+
for (const [name, version] of Object.entries(allDeps)) {
177+
dependencies.push({
178+
name,
179+
type: "npm",
180+
version: version as string,
181+
})
182+
}
183+
} catch (error) {
184+
console.error("Error parsing package.json:", error)
181185
}
182-
} catch (error) {
183-
console.error("Error parsing package.json:", error)
184186
}
187+
} catch (error) {
188+
console.error("Error checking for package.json:", error)
185189
}
186190

187191
// Check for requirements.txt (Python projects)
188-
const requirementsPath = path.join(workspacePath, "requirements.txt")
189-
if (await fileExistsAtPath(requirementsPath)) {
190-
try {
191-
const content = await fs.readFile(requirementsPath, "utf-8")
192-
const lines = content.split("\n").filter((line) => line.trim() && !line.startsWith("#"))
193-
194-
for (const line of lines) {
195-
const match = line.match(/^([^=<>!]+)/)
196-
if (match) {
197-
dependencies.push({
198-
name: match[1].trim(),
199-
type: "python",
200-
})
192+
try {
193+
const requirementsPath = path.join(workspacePath, "requirements.txt")
194+
if (await fileExistsAtPath(requirementsPath)) {
195+
try {
196+
const content = await fs.readFile(requirementsPath, "utf-8")
197+
const lines = content.split("\n").filter((line) => line.trim() && !line.startsWith("#"))
198+
199+
for (const line of lines) {
200+
const match = line.match(/^([^=<>!]+)/)
201+
if (match) {
202+
dependencies.push({
203+
name: match[1].trim(),
204+
type: "python",
205+
})
206+
}
201207
}
208+
} catch (error) {
209+
console.error("Error parsing requirements.txt:", error)
202210
}
203-
} catch (error) {
204-
console.error("Error parsing requirements.txt:", error)
205211
}
212+
} catch (error) {
213+
console.error("Error checking for requirements.txt:", error)
206214
}
207215

208216
// Check for docker-compose.yml
209-
const dockerComposePath = path.join(workspacePath, "docker-compose.yml")
210-
const dockerComposeAltPath = path.join(workspacePath, "docker-compose.yaml")
211-
212-
for (const composePath of [dockerComposePath, dockerComposeAltPath]) {
213-
if (await fileExistsAtPath(composePath)) {
214-
try {
215-
const content = await fs.readFile(composePath, "utf-8")
216-
217-
// Simple pattern matching for common services
218-
if (content.includes("neo4j")) {
219-
dependencies.push({ name: "neo4j", type: "docker" })
220-
}
221-
if (content.includes("postgres") || content.includes("postgresql")) {
222-
dependencies.push({ name: "postgresql", type: "docker" })
223-
}
224-
if (content.includes("redis")) {
225-
dependencies.push({ name: "redis", type: "docker" })
217+
try {
218+
const dockerComposePath = path.join(workspacePath, "docker-compose.yml")
219+
const dockerComposeAltPath = path.join(workspacePath, "docker-compose.yaml")
220+
221+
for (const composePath of [dockerComposePath, dockerComposeAltPath]) {
222+
if (await fileExistsAtPath(composePath)) {
223+
try {
224+
const content = await fs.readFile(composePath, "utf-8")
225+
226+
// Simple pattern matching for common services
227+
if (content.includes("neo4j")) {
228+
dependencies.push({ name: "neo4j", type: "docker" })
229+
}
230+
if (content.includes("postgres") || content.includes("postgresql")) {
231+
dependencies.push({ name: "postgresql", type: "docker" })
232+
}
233+
if (content.includes("redis")) {
234+
dependencies.push({ name: "redis", type: "docker" })
235+
}
236+
} catch (error) {
237+
console.error("Error parsing docker-compose file:", error)
226238
}
227-
} catch (error) {
228-
console.error("Error parsing docker-compose file:", error)
239+
break
229240
}
230-
break
231241
}
242+
} catch (error) {
243+
console.error("Error checking for docker-compose files:", error)
232244
}
233245

234246
// Check for .git directory
235-
const gitPath = path.join(workspacePath, ".git")
236-
if (await fileExistsAtPath(gitPath)) {
237-
dependencies.push({ name: ".git", type: "config" })
247+
try {
248+
const gitPath = path.join(workspacePath, ".git")
249+
if (await fileExistsAtPath(gitPath)) {
250+
dependencies.push({ name: ".git", type: "config" })
251+
}
252+
} catch (error) {
253+
console.error("Error checking for .git directory:", error)
238254
}
239255

240256
// Check for .github directory
241-
const githubPath = path.join(workspacePath, ".github")
242-
if (await fileExistsAtPath(githubPath)) {
243-
dependencies.push({ name: ".github", type: "config" })
257+
try {
258+
const githubPath = path.join(workspacePath, ".github")
259+
if (await fileExistsAtPath(githubPath)) {
260+
dependencies.push({ name: ".github", type: "config" })
261+
}
262+
} catch (error) {
263+
console.error("Error checking for .github directory:", error)
244264
}
245265

246266
return dependencies
@@ -289,43 +309,69 @@ export class McpConfigAnalyzer {
289309
const workspacePath = this.workspaceFolder.uri.fsPath
290310

291311
// Check for various project indicators
292-
if (await fileExistsAtPath(path.join(workspacePath, "package.json"))) {
293-
const content = await fs.readFile(path.join(workspacePath, "package.json"), "utf-8")
294-
const data = JSON.parse(content)
312+
try {
313+
if (await fileExistsAtPath(path.join(workspacePath, "package.json"))) {
314+
try {
315+
const content = await fs.readFile(path.join(workspacePath, "package.json"), "utf-8")
316+
const data = JSON.parse(content)
295317

296-
if (data.dependencies?.react || data.dependencies?.["react-dom"]) {
297-
return "react"
298-
}
299-
if (data.dependencies?.vue) {
300-
return "vue"
301-
}
302-
if (data.dependencies?.express || data.dependencies?.fastify) {
303-
return "node-backend"
318+
if (data.dependencies?.react || data.dependencies?.["react-dom"]) {
319+
return "react"
320+
}
321+
if (data.dependencies?.vue) {
322+
return "vue"
323+
}
324+
if (data.dependencies?.express || data.dependencies?.fastify) {
325+
return "node-backend"
326+
}
327+
return "node"
328+
} catch (error) {
329+
// If we can't parse the package.json, still consider it a node project
330+
return "node"
331+
}
304332
}
305-
return "node"
333+
} catch (error) {
334+
console.error("Error checking for package.json:", error)
306335
}
307336

308-
if (await fileExistsAtPath(path.join(workspacePath, "requirements.txt"))) {
309-
const content = await fs.readFile(path.join(workspacePath, "requirements.txt"), "utf-8")
337+
try {
338+
if (await fileExistsAtPath(path.join(workspacePath, "requirements.txt"))) {
339+
try {
340+
const content = await fs.readFile(path.join(workspacePath, "requirements.txt"), "utf-8")
310341

311-
if (content.includes("django")) {
312-
return "django"
313-
}
314-
if (content.includes("flask")) {
315-
return "flask"
316-
}
317-
if (content.includes("fastapi")) {
318-
return "fastapi"
342+
if (content.includes("django")) {
343+
return "django"
344+
}
345+
if (content.includes("flask")) {
346+
return "flask"
347+
}
348+
if (content.includes("fastapi")) {
349+
return "fastapi"
350+
}
351+
return "python"
352+
} catch (error) {
353+
// If we can't read requirements.txt, still consider it a python project
354+
return "python"
355+
}
319356
}
320-
return "python"
357+
} catch (error) {
358+
console.error("Error checking for requirements.txt:", error)
321359
}
322360

323-
if (await fileExistsAtPath(path.join(workspacePath, "go.mod"))) {
324-
return "go"
361+
try {
362+
if (await fileExistsAtPath(path.join(workspacePath, "go.mod"))) {
363+
return "go"
364+
}
365+
} catch (error) {
366+
console.error("Error checking for go.mod:", error)
325367
}
326368

327-
if (await fileExistsAtPath(path.join(workspacePath, "Cargo.toml"))) {
328-
return "rust"
369+
try {
370+
if (await fileExistsAtPath(path.join(workspacePath, "Cargo.toml"))) {
371+
return "rust"
372+
}
373+
} catch (error) {
374+
console.error("Error checking for Cargo.toml:", error)
329375
}
330376

331377
return undefined

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